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Spring 2014 EGR 356 HEC HMS Lab EGR 356 HEC HMS

1. Mm Ez Summary Table OJ Time Series Table T Components Compute Results Flow cfs Dec1997 Legend Compute Time 04Mar2014 16 27 12 Run RUN 1 Element OUTLET Result Observed Flow Run RUN 1 Element OUTLET Result Outfloww Run RUN 1 Element REACH 1 Result Dutfloww YO UOT oong U paramet prope ETEDTOTOON DUE e Es NOTE 40049 Found no parameter problems in basin model Devil Canyon gt NOTE 41743 Initial abstraction ratio for subbasin West Fork is 0 1286 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0429 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 201 9 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 1 at time 04Mar2014 16 27 12 E HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help DG Eds EROS Oe TE BREE G amp Devil Canyon S Simulation Runs C385 Run 1 E Global Summary i West Fork East Fork DC ie Reach 1 EY Outlet Graph i OJ Time Series Table LUI Components Compute
2. 40 30 20 10 0 1996 1998 2000 2002 2004 2006 2008 Water Year Precipitation in The plots below are the hydrographs of Devil Canyon in 1998 and 2001 This measures the amount of runoff the watershed experienced during the water years of 1998 and 2001 Daily Precipitation Average Q vs Time WY 1998 Ui NEM Ne PUNUWwWUS PE mm oN m n oN gt oe e c e c gt gt gt e c gt gt d A NY o gt ANY e ov Un Daily Precipitation in day oe Y 7o Time Daily Precipitation Average Q vs Time WY 2001 zpaily Precipitaiton in day Y Y Y Y Y Y om QU QD a0 Q 2 a a SS Time 120 100 80 60 40 There are many different types of land cover in Devil Canyon but there are two major types The first type of land cover is chaparral and the second type is mixed conifer and woodlands Conifer and woodlands are located mostly at the higher elevations Jung The following table displays the West and East Fork s attributes Average Q cfs Average Q cfs Slope These next tables display how much area each land cover encompasses and what percent of the total watershed that it covers The land cover was found using the National Oceanic and Atmospheric Administration website which can be found using the following link www csc noaa gov landcover Area 0 02170519 0 46241317 0 52629715 0 03086038 0 00525517 1 08485709
3. 60 points Introduction 5 pts e Talk about what hydrologic models do and what model you are using HEC HMS e Talk about why it is important Study Site 10 pts e Describe your watershed more details are found on my paper o Location state county o Area in sq mi is okay o Weather pattern discharge pattern Include your precipitation graph from lab 1 Include your hydrograph from lab 1 label the axis number the figures and explain o Land Use Include your land use classification lab 2 briefly summarize your table top two on the list in your writing Methods 1 2pts e Include HEC HMS download site e Briefly describe the model consists of basin model time series model meteorological model control specification and run manager e List your inputs precipitation observed discharge and parameters o Include where and how you obtained the data USGS gov discharge and San Bernardino Flood Control District precipitation and NOAA land use e How did you obtain CN Length of watershed slope and etc Results 10 pts e Screen captures of your results before and after the calibration e Summary Tables of your results before and after the calibration e Table of parameters before and after the calibration Discussion 15 pts e Reason about your parameters Are your parameters physically reasonable for your watershed Explain why Conclusion 7 pts e s your model accurate and or precis
4. Run RUN 1 Element OUTLET Result Observed Flow Run RUN 1 Element DC Result Outflow Figure 21 Graph of Initial Control 1 Values Project Devile Canyon Simulation Run Run 1 Junction Outlet Start of Run 04Dec1997 00 00 Basin Model End of Run 16Deci997 00 00 Meteorologic Model DC Compute Time 22Apr2014 21 22 27 Control Specifications Control 1 Time flow from Inflow from Outflow Obs Flow CFS CFS CFS CFS 1997 1997 1997 mm HE xf oo r OS EE 422 00 422 57 340 oo so si 2274 00 2724 41 82 00 82 31 moeiss o 29 oo 23 f 16 i19 00 19 15 17 00o 17 14 17 00 17 13 17 990 17 i2 7 7 ir tt 17 oo 17 19 my Figure 22 Control 1 Initial Time Series 15 Dec1997 Run RUN 1 Element OUTLET Result Outfl o Run RUN 1 Element REACH 1 Result O utflovw Project Devile Canyon Simulation Run Run 1 Junction Outlet StartofRun 04Dec1997 00 00 Basin Model Devil Canyon EndofRun 16Dec1997 00 00 Meteorologic Model DC Compute Time 22Apr2014 21 22 27 Control Specifications Control 1 Volume Units IN AC FT Computed Results Peak Outflow 42 2 CFS Date Time of Peak Outflow 06Dec 1997 00 00 Total Outflow 0 86 IN Observed Hydrograph at Gage DC Peak Discharge 5 70 CFS Date Time of Peak Discharge 06Dec 1997 00 00 Avg Abs Residual 7
5. 1 4 1 2 1 0 8 0 6 0 4 0 2 0 7 28 2003 16 20011 5 2007 25 200713 2002 4 2002 24 2002 13 2002 1 20090 2 1 2002 WY2001 Precip vs Time 2003 4 5 4 3 5 3 25 2 1 5 1 0 5 0 9 1 20020 2 1 2002 10 200729 2003 20 2003 9 2008 28 2008 17 20030 6 2003 2 5 2003 Figure 5 Precip vs Time for WY2002 Figure 6 Precip vs Time for Precip vs Time 2004 2 5 2 15 1 0 5 0 8 17 20030 6 2003 25 200314 2008 4 2004 23 2008 12 2008 1 2009 20 20041 9 2004 WY2003 Precip vs Time 2005 45 4 3 5 3 25 2 1 5 1 0 5 0 8 1 2009 20 20041 9 2049 29 200417 20039 8 2005 28 2008 17 2009 5 20080 25 2005 Figure 7 Precip vs Time for WY2004 Figure 8 Precip vs Time for Precip vs Time 2006 35 3 2 5 2 1 5 1 0 5 0 9 5 20050 25 2003 14 2003 2 2008 24 2006 13 2008 2 2008 21 2009 10 200 29 2006 WY2005 Figure 9 Precip vs Time for WY2006 Another characteristic that was obtained by from this data was the flow vs time This data shows how much water was flowing through of the watershed over the months in each year Q Accumulated vs Time 1999 Q Accumulated vs Time 1998 9 120 3 100 i 6 80 60 4 40 3 20 2 0 1 0 6 19 199B 27 19971 5 19984 15 199g 24 1998 1 1 1998 9 12 19981 1 1932 2 1 1993 9 1999 31 1999 20 1999 9 199B 28 1999 17 1999 6 1999 Figure 10 Flow vs Time for WY1998 Figure 11 Flow vs Time for Q Accumulated vs Time 2000 18 16 14 12 10 8 6 4 2 0
6. 25Feb2014 16 08 28 Run RUN 2 Element OUTLET Result Observed Flow Run RUN 2 Element OUTLET Result Outflow Run RUN 2 Element REACH 1 Result Outflow NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 104 3 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 2 at time 25Feb2014 16 08 28 4 09 PM 2 25 2014 m mz ull E HEC HMS 3 5 CA ADocumentsVunior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help E TEN UE SP e P uoo CQ LED 03 B de Basin Models LI Summary Results for Junction Outlet MCN fee x S A Devil Canyon Y s West Fork ON m Fork Project Devil Canyon H No Canopy Es E de Simulation Run Run 2 Junction Outlet fg SCS Unit Hydrograph ap Constant Monthly Start of Run 23Feb2001 00 00 Basin Model Devil Canyon B4 Reach 1 End of Run 05Mar2001 00 00 Meteorologic Model Met 1 T E outlet Compute Time 25
7. NOTE 10179 Opened basin model Devil Canyon at time O8Feb2011 10 25 24 SUBBASIN PARAMETER 6 Now for each subbasin you need to select methods for Loss Rate Transform and Baseflow Select the SCS method for Loss Rate the SCS Unit Hydrograph method for Transform and the Constant Monthly for Baseflow Estimation For each subbasin you will also need to enter the appropriate area of the drainage 7 We will use the SCS method to simulate infiltration losses You will need to define the parameters in each subbasin These parameters will come mostly from your previous and future labs SCS Loss Method Subbasin 1 Subbasin 2 Area sq miles SCS Curve dimentionless a Impervious Eo ol NENNEN l For our impervious we start with an assumption of 1 impervious for any developed area or exposed bedrocks You will need to estimate the amount of this area in your subbasin later during the calibration process To enter the data for the Loss Method double click on SCS Curve Number link under each subbasin Initial Abstractions CN and impervious entry areas should pop up 8 For the SCS Unit Hydrograph method for Transform in each subbasin you will need to calculate the Lag Time parameter basin on our previous length and slope estimations SCS Unit Hydrograph Subbasin 1 Subbasin 2 SCS Lag Time Minutes This lag time is used as an adjustment factor for a synthetic SCS unit hydrograph within HEC HMS
8. which are the West and East Fork one junction and one reach Accounting for sub basin loss is another step in developing the Basin Model The SCS Curve Number was chosen in order to account for the losses from precipitation This method applies only to pervious surfaces Now that the excess precipitation 1s established through the SCS Curve Number the excess must be turned into runoff This was done by using an SCS Unit Hydrograph To simulate the water flow through open channels such as rivers and streams an open channel routing method must be chosen The Muskingum Cunge standard section was used for this experiment The initial parameters for the sub basin loss were entered into the model first Initial abstraction curve number and percent impervious needed to be input into the model The following table shows the initial parameters for both sub basins West Fork East Fork Initial Abstraction in SCS Curve Number The curve number was calculated using the type of land cover The West Fork land cover was used to determine the curve number for the entire watershed because it makes up 51 of the Devil Canyon basin The two major land cover types in the West Fork were evergreen forest and scrub shrub chaparral can be placed in this category Assuming soil B the curve numbers obtained using these two land covers were 65 and 50 respectively Next the percent of area that corresponded to the land covers was divided by 100 and m
9. 0 06303574 15 3306421 2 80488379 31 1446214 0 00968217 0 00262835 0 04469828 51 53158 East Fork Area m 2 Area 3001 889543 0 020854 63953 06971 0 44427932 72788 40813 0 50565805 4268 079888 0 02965017 726 8048612 0 00504908 76519 81485 0 53157997 8718 024645 0 06056375 2120271 847 14 7294404 387923 4871 2 69488835 4307390 631 29 9232637 1339 072492 0 00930248 363 5080156 0 00252528 6181 899888 0 0429454 14394788 85 Methods One piece of equipment used for this experiment was the HEC HMS hydrologic modeling system This system can be downloaded at the following website http www hec usace army mil software hec hms downloads aspx HEC HMS 3 5 is the latest model and was used in this experiment The second piece of equipment used was ARC GIS This system was used to obtain Devil Canyon s physical characteristics such as length and slope Development of HEC HMS Model Steps 1 Basin Model Development 2 Meteorological Model Development 3 Running simulations 4 Refining or tuning model against observed data calibration The HEC HMS model consists of several different aspects Developing the Basin Model is the first aspect This 1s where a physical representation of the watershed or basin is configured The runoff process 1s simulated by connecting elements such as sub basin reach junction reservoir diversion source and sink Devil Canyon has two sub basins
10. East Fork B pc EHS Reach 1 ep pm 1 Meteorologic Models Hd Control Specifications 4 Time Series Data Components Compute Results EY Junction Options Basin Name Devil Canyon Element Name Outlet Ky eo Description p E Downstream None sl If re Feb2001 Mar2001 Legend Compute Time 21Apr2014 22 54 35 Run RUN 2 Element OUTLET Result Observed Flow Run Run 2 Element OUTLET Result Outflow Run RUN 2 Element REACH 1 Result Outflow YO ZUJO gona U parame wT prooem ETEUTUIDUR DUE Ig NOTE 40049 Found no parameter problems in basin model Devil Canyon 2 WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0025 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 005 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 2 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 2 at time 21Apr2014 22 54 35 10 58PM p e af uus 51 2014 Ei HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms E File Edit View Components Parameters Compute Results Tools Help D d E d Rt amp ue NU
11. HMS This method provides a variety of options for simulating precipitation runoff processes Development of the HEC HMS model for a watershed requires several steps These include 1 Basin Model Development 2 Meteorological Model Development 3 Running Simulations with given data and values 4 Refining or tuning the model simulations against observed collected data The current version and previous versions of HEC HMS 4 0 can be downloaded from http www hec usace army mil software hec hms downloads aspx When using HEC HMS there are four sub categories listed under the overall project The first is Basin Model Here a digital model of the watershed 1s created Figure 19 shows what the actual watershed looks like Figure 20 1s the watershed created using HEC HMS As the image shows there are two sub basins West Fork and East Fork one Junction DC a Reach and an Outlet Each of these items has its own parameters that affect the data once the tests are run West and East Fork take in parameters such as Baseflow Initial Abstraction Curve Number Impervious and lag time all of which will when manipulated will change the look of the Flow vs Time graph ref Figures 21 and 24 The Loss Method was SCS Curve Number and the Transform Method was SCS Unit Hydrograph 23 Basin Model Devil Canyon a v West Fork a East Fork DC Reach 1 7 Outlet Figure 20 HEC HMS Representation of the Devil
12. P dn PE o CQ CS ED 03 J Devi Canyon Time Series Results for Junction Outlet Ts S J Basin Models j Be Devil Canyon Project Devil Canyon West des Simulation Run Run 2 Junction Outlet ds Start of Run 23Feb2001 00 00 Basin Model Devil Canyon iS Reach 1 End of Run X 05Mar2001 00 00 Meteorologic Model Met 1 ap Compute Time 21Apr2014 22 54 35 Control Specifications Control 2 Meteorologic Models Date Control Specifications Time Series Data 23Feb2001 24Feb2001 Components Compute Results 25Feb2001 26Feb2001 F Junction 27Feb2001 28Feb2001 Basin Name Devil Canyon 01Mar2001 Element Name Outlet 02Mar2001 Description 03Mar2001 El 04Mar2001 05Mar2001 NOTE 40049 Found no parameter problems in basin model Devil Canyon A WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0025 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 005 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 2 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 2 at time 21Apr2014 22 54 35 1 1
13. Results Project Devil Canyon Simulation Run Run 1 Junction Outlet Start of Run 04Dec1997 00 00 Basin Model Devil Canyon End of Run 16Dec1997 00 00 Meteorologic Model Met 1 Compute Time 04Mar2014 16 27 12 Control Specifications Control 1 Volume Units Q IN AC FT Computed Results Peak Outflow 6 6 CFS Date Time of Peak Outflow 06Dec1997 00 00 Total Outflow 0 18 IN Observed Hydrograph at Gage DC Peak Discharge 5 70 CFS Date Time of Peak Discharge 06Dec1997 00 00 Avg Abs Residual 0 39 CFS Total Residual 0 01 IN Total Obs Q 0 19 IN NOTE 40049 Found no mensa problems in basin model Devil Cope a NOTE 41743 Initial abstraction ratio for subbasin West Fork is 0 1286 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0429 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 201 9 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 1 at time 04Mar2014 16 27 12 m E laa 4 29 PM ill Ei HEC HMS 3 5 CA ADocumentsVunior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms 3 4 2014 File Edit View Components Parameters Compute Results Tools Help Dum E
14. Specifications Time Series Data Components Compute Results b Meteorology Model Basins Options Met Name Met 1 Description Precipitation Specified Hyetograph Evapotranspiration Mone Snowmelt Mone Unit System U S Customary Under Basin tab Components Compute Results a Meteorology Model Basins Options Met Mame Met 1 Basin Model Include Subbasins Devil Canyon Yes Lastly on Option s tab input No for both Part 4 Control Specifications Manager gt Go to Components and select Control Specifications Manager Click New and create Control 1 with following storm event Description 1997 Dec 4 16th storm lbs Start Date ddMMMYYYY 04Dec1997 5tart Time HH mm 00 00 End Date ddMMMYYYY 16Dec1997 End Time HH mm 00 00 Time Interval 1 Day gt Go to Components and select Control Specifications Manager Click New and create Control 2 with following storm event Description 2001 Feb 23 March 5t Start Date ddMMMYYYY 23Feb2001 Start Time HH mm 00 00 End Date ddMMMYYYrY 05Mar2001 End Time HH mm 00 00 Time Interval i Day Part 5 Running the HEC HMS Model Once all your data and storm dates are entered into the model you are ready to run simulations to get your baseline runs and calibrate your model Select Compute Select Create a Simulation Run N
15. Time Interval Day O Latitude Degrees Pe Latitude Minutes PO Latitude Seconds Po Longitude Degrees Oooo Longitude Minutes Longitude Seconds Pe Select the following data table lt B Devil Canyon H E Basin Models E E Meteorologic Models E E Control Specifications Ec Time Series Data HO Precipitation Gages eK DC mS 010ct2000 00 00 31Mar2001 00 00 Discharge Gages a Dc ie 0l cz000 00 00 31iMar2z001 00 00 TT gt AAA See rara l D ari Te Under the Time Window Tab The start date should be 01Oct1997 End Date should be 30Sep2006 Start and End Time 1s 00 00 Under the Table tab copy and paste all your precipitation data from Lab 1 Create another Time Series data for discharge Components gt Time Series Data Manager for Data Type select Discharge gages from the drop down menu gt New gt name it i e DC Follow the same steps for Discharge data PART 3 Creating Meteorologic Models Go to Components gt Select Meteorologic Model Manager gt New gt name it Double click on the Meteorologic Models on left hand side panel and click on the component you just created and named and enter the following shown below HEC HMS 3 4 C Spring11 EGR356_Hydrolog File Edit View Components Parameters Compute F Cai amp P 2 n le B ce Devil Canyon H 0 Basin Models Bo Meteorologic Models E A Specified Hyetograph E Sy Control
16. a very long time to go back and fix the mistake The land use or land cover types came from www csc noaa gov lancover which lists all the types of land cover that can be encountered in any area ARCGIS was the tool used to obtain the curve number length of the watershed slope and other parameters This program was able to determine all of that information by moving the mouse from one point to another and analyzing the two points against each other 4 Results The following tables represent the values of certain parameters before and after the calibration of the control groups As you can see in the before and after figures of the graphs Fig 21 24 27 30 the change parameters made it to where the observed data and the calculated data matched up with one another as best as possible By changing the Baseflow the initial flow of the graphs the y axis was able to match up By changing the impervious CN and Initial Abstraction the height of the curves changed And by manipulation the lag time the time was able to be changed the x axis Controla o 0 InitialValues FinalValues Baseflow____ ___ Table 4 Control 1 Data Before and After Calibration Cotrl2 ____ InitialValues FinalValues Baseflow Table 5 Control 2 Data Before and After Calibration Junction Outlet Results for Run Run 1 e o x a LL Legend Compute Time 22Apr2014 21 22 27
17. d f Ai fe Summary Results for Junction Outlet o o g N J Project Devil Canyon v gt d are St Q1 Time Series Results for Junction Outlet TO dt SmatonRun amp un 2 uncon Oufet e Project Devil Canyon StartofRun 23 eb2001 00 00 Baan Model Devi Canyon Baan Simulation Run Run 2 Junction Outlet EndofRun 05Mar2001 00 00 Meteorologic Model Met 1 Compute Time 23Apr2014 21 20 27 Control Speaficatora Control 2 Start 23Feb2001 00 00 Basin Model Devi Canyon End OSMar2001 00 00 Meteorologic Model Met 1 Compu 23Apr2014 21 20 27 Control Specifications Control 2 Volume Units d MM 1000 M3 Reach 1 Date Tme Inflow fom Outfow obsriow Computed Results MIS 3 5 43 5 23xFeba00 0000 02 202 02 W Peak Outfow 0 5 M3 S Date Time of Peak Outfiow 28652001 00 00 24Feb2001 00 00 0 2 0 2 2 a Total Outflow 42 43 MM 29 eb2001 00 00 0 3 0 3 26Feb2001 00 00 0 3 0 3 e outlet Zrebooi 00 00 02 02 aeb 00 00 05 os ei 0IMar2001 0000 04 04 pour E ES E Peak Discharge 0 34 M3 5 Date Tme of Peak Discharge 25Feb2001 00 00 O3Mar2001 00 00 0 2 0 2 2 Avg Abs Residual 0 05 MIS 0Mar2001 jooo 0 2 02 Total Residual 1 85 MM Total Obs Q 40 53 MM joo 00 02 02 f Lus EWS Vere OX PS prey rT guar XXL DX TY vun Tun cea WARNING 41743 Inital abstraction ratio for subbasin West Fork is 0 0169 4 WARNING 41784 Simuletion tim
18. simulate runoff processes The available elements are subbasin reach junction reservoir diversion source and sink Computation proceeds from upstream elements in a downstream direction We will have 2 subbasins in our watershed as in our delineation 1 junction and reach You can also add a reservoir to capture runoff Subbasin Loss As assortment of methods are available to simulation infiltration losses to account for losses from precipitation These methods apply only to pervious surfaces Options for event single rainfall runoff storm include o Deficit and constant Green and Ampt Gridded SCS curve number Gridded soil moisture accounting Initial and constant SCS curve number Soil moisture accounting O O O O O 9 Runoff Transformation Once we have decided on the amount of excess precipitation from our loss model we need to turn this into surface runoff The various methods available within HEC HMS include o Clark unit hydrograph Synder unit hydrograph SCS unit hydrograph User specified unit hydrograph Kinematic wave model ModClark O O O O Open Channel Routing A variety of open channel routing methods are available for simulating flow in open channels or reaches Thses are o Kinematic wave Lag Modified Puls Muskingum Muskingum Cunge 8 point section O O O O uu Muskingum Cunge standard section For each of the procedures above we will use the designated methods for defining the physical character
19. 0 59 PM Of Pe al 4 21 2014 Ei HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms Em File Edit View Components Parameters Compute Results Tools Help Dum E d K amp we NI SP P du x8 CR ELE 2 e Devil Canyon ummary Results for Junct Outlet x Basin Models ae a 2 423 Devil Canyon i West Fork Project Devil Canyon to East Fork He n T iM Reach 1 Simulation Run Run 2 Junction Outlet l meris qim Start of Run 23Feb2001 00 00 Basin Model Devil Canyon ein End of Run O5Mar2001 00 00 Meteorologic Model Met 1 Compute Time 21Apr2014 22 54 35 Control Specifications Control 2 Components Compute Results iH lt o Volume Units IN AC FT E Junction Options Computed Results Basin Name Devil Canyon Element Name Outlet Description A m f Downstream None nA Peak Outflow 20 7 CFS Date Time of Peak Outflow 28Feb2001 00 00 Total Outflow 0 63 IN Observed Hydrograph at Gage DC Peak Discharge 12 00 CFS Date Time of Peak Discharge 25Feb2001 00 00 Avg Abs Residual 2 43 CFS Total Residual 0 00 IN Total Obs Q 0 62 IN NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0025 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce
20. 231 0 000308425 Pasture Hay 756 4703658 5 25212E 05 Grassland 79505 3729 0 005520004 Herbaceous Deciduous 9073 862383 0 000629992 Forest Evergreen kd 2206603 785 0 153202987 Forest 403619 3973 0 028023018 Scrub Shrub 4487945 785 0 311594997 Palustrine Wetland Palustrine Scrub Shurb 378 3450774 Wetland 6434 192517 0 000446722 West Fork Area 7345600 443 EE Table 2 Land Cover of Devil s Canyon West Fork East Fork East Fork High Elev Length m 1050 rT pam 3654 382919 0 109457604 Land Type rp ins Classification Developed Medium 3001 88954 0 000208419 Intensity Developed 63953 07034 0 004440218 Low Intensity D eveloped 75788 44335 0 005053652 Open Space Cultivated 4268 079888 0 00029633 Crops Pasture Hay 726 8048612 5 5 04616E 05 05 G land rassland 5639751514 0 005303533 Herbaceous Decid Forest E Forest 387791 1857 0 026924076 Scrub Shrub 4311947 911 0 299375586 Palustrine Wetland Palustrine NE Scrub Shurb 363 5080156 2 52381E 05 Wetland 20 Barren Land East Fork Area 7057537 68 UA Table 3 Land Cover of Devil s Canyon East Fork From these tables 1t can be seen that the most abundant land coverage 1s Scrub Shrub followed by Evergreen Forest These land cover types make sense since the area being analyzed is a mountainous area 3 Methods The hydrological method used for this lab as stated in the introduction was HEC
21. 42 0 7742 0 7742 0 7742 0 7742 0 7742 0 8058 0 7742 0 8058 0 7742 Initial Abst 53 648 Impervious 1 27 35 2543 raction 1 Screenshot for Run 1 After Calibration BE HEC HMS 3 5 C Users EGRStudent Desktop Devil_Canyon_Sam Devil_Canyon_Sam Devil_Canyon_Sam Devil Canyon Sam Devil_Canyon_Sam Devil Canyon Sam Devil Canyon hms Be ed x File Edit View Components Parameters Compute Results Toots Help D d Ba k et cuwee Oe Fa BREE S ED Outflow BB Basin Model Devil Canyon Basin Current Run Run 1 MOE fe Graph for Junction Outlet Ep Observed Flow 7 Ffg Resdual Aow Junction Outiet Results for Run Run 1 Ela Preapitaton E Cumuatve Preapitaton F Sod 1n amp itraton Fip Excess Precpitabon Ey Cumulative Excess Precipit Efp Preapitaton Loss Ef CumJatve Precipitation Lc Ef Orect Runoff F Basefow 3 East Fork M vi oc ES the Reach t 3 st Fo x Sf ouset tg West Fon plo East Fork Cr Tire Seres Table NC P E Outflow 3 lider ix SS d 4 5 6 7 9 10 11 12 13 14 15 ED Resdual bow S S Dec1997 EBD Combined infow A Pi Mig Fun 2 A Legend Compute Time 23Apr2014 21 07 04 i m a 4 Run RUN 1 Element OUTLET Rescit Observed Flew Run RUN t Element OUTLET Result Outflow Components Compute Reine x Pa Run RUN 1 Element REACH 1 Rerult Outtion ms menary Results for Junction Dui S aos pm Az QJ Twne Series Results for Junct
22. 67 CFS Total Residual 0 67 IN Total Obs Q 0 19 IN Figure 23 Control 1 Initial Summary Table Junction Outlet Results for Run Run 25 Flow cfs Legend Compute Time 22Apr2014 21 59 00 Run RUN 25 Element OUTLET Result Obsenred Flow Run RUN 25 Element DC Result Outflow Project Devile Canyon Simulation Run Run 25 Junction Outlet Start ofRun 04Dec1997 00 00 Basin Model EndofRun 16Dec1997 00 00 Meteorologic Model DC Compute Time 22Apr2014 21 59 00 Control Specifications Control 1 Date Time Inflow from Inflow from Outflow Obs Flow CFS CFS CFS CFS O4Deci 97 000 os oo os OSDec1997__ 00 00 09 0 0 1997 00 00 58 O7Dec1997 00 00 45 OSDec1997 00 00 46 O9Deci997 00 00 1997 1997 00 00 09 j2Dec1997 00 00 0 9 13Dec1997 00 00 0 9 14Dec1997 00 00 09 1997 0 00 99 Dec1i997 00 00 0 9 09 Figure 25 Control 1 Final Time Series Table 15 Dec1997 Run RUN 25 Element OUTLET Result Outfloww Run RUN 25 Element REACH 1 Result Outflovw Project Devile Canyon Simulation Run Run 25 Junction Outlet StartofRun 04Dec1997 00 00 Basin Model Devil Canyon EndofRun 16Dec1997 00 00 Meteorologic Model DC Compute Time 22Apr2014 21 59 00 Control Specifications Control 1 Volume Units 9 IN AC FT Computed Results Peak Outflow 5 8 CFS Date Time of Peak Outflow 06De
23. 8 28 19190 17 1999 6 199y25 2008 15 20086 4 2006 23 2008 12 20000 1 2000 20 2000 WY1999 Q Accumulated vs Time 2001 18 16 14 12 10 8 6 4 2 0 8 12 20000 1 2001 20 2000 9 200 28 2001 19 2005 8 2007 28 2009 16 20011 5 2001 Figure 12 Flow vs Time for WY2000 Figure 13 Flow vs Time for Q Accumulated vs Time 2002 4 35 3 2 5 2 15 1 05 0 7 28 2008 16 20011 5 2002 25 2007 13 2002 4 2008 24 2002 13 2008 1 20080 2 1 2002 WY2001 Q Accumulated vs Time 2003 30 25 20 15 10 5 af Pail O RA ridley ERROR Figure 14 Flow vs Time for WY2002 Figure 15 Flow vs Time for Q Accumulated vs Time 2004 35 30 25 20 15 10 5 0 8 17 20080 6 2003 25 200314 2008 4 2004 23 2008 12 200 amp 1 2004 20 20081 9 2004 WY2003 Q Accumulated vs Time 2005 35 30 25 20 8 1 2009 20 20081 9 2002 29 200417 2008 8 2005 28 2008 17 2009 5 20080 25 2005 Figure 16 Flow vs Time for WY2004 Figure 17 Flow vs Time for Q Accumulated vs Time 2006 un 0 9 5 20080 25 2003 14 20082 2008 24 2005 13 2008 2 2006 21 2000 10 200f 29 2006 WY2005 Figure 18 Flow vs Time for WY2006 From data obtained using ARCGIS software a geographic information system GIS for working with maps and geographic information land cover of the entire watershed was able to be recorded and classified using the C CAP Land Cover Classification Scheme GIS software is used for creating and using maps compiling geographi
24. Canyon Watershed The Time Series Model is consists of Precipitation and Discharge Gages This is where the data from the ARCGIS software will go It tells HEC HMS what the precipitation and discharge values are for every day out of each year that data was collected for Specific time windows can be given for these sets of data The Meteorological Models section refers to the hyetographs used in the watershed The overall basin model in this case was Devil Canyon while the Specified Hyetographs are East and West Fork The Control Specifications Sections are where the data being used for each Control group is defined For Control 1 the dates December 4 16 1997 are used at an interval of one day For Control 2 the dates February 23 March 5 2001 are used at an interval of one day as well With these values defined a proper graph time series table and summary table can be created using the Create Simulation Run function The data that was used in the HEC HMS program came from many different sources The discharge data came from USGS gov and was input manually but it was easily accessible thanks to ARCGIS The precipitation data came from http www sbcounty gov dpw floodcontrol water_resources asp and was also entered manually This data was especially important because without it there would be no way to see how storms act in the watershed Entering this data correctly was critical because if one number was out of place it would take
25. E 2 ki ail e E d DL KS qq Q gt gt gt S gt x D x e a e y S T o SS A E a SP S a a mE Date Precipitation in Precipitation in 2001 15 1 0 5 0 d d SS A A SS YS x x vd e e a e e 4 e a T o SS A gt S a SO m a Date Precipitation in Precipitation in 2002 T i 9 3 m2 D 1 e Duo DL d d d 0 gt E q p o gt cm gt x e a e e gU GU pF PH am ur am HH Wh Wh Wh Date Precipitation in Precipitation in 2003 25 2 1 5 1 0 5 0 S S gt gt IS PS de SS Y y d a a AS AS v v AS AS A AS v S S KS y SO gt Rv S ES ES A ES AN Date Precipitation in Precipitation in 2004 5 S 93 fo 2 e z 0 SS Qv A td QV Ad A a A QV Qv AN QV N h bi gt Date Precipitation in Precipitation in 2005 3 J 2 1 ec gt 0 do d d ce ce Alo o o o peo peo S ES AS S S S PUN WP Q5 QW M6 Qu W Q w W WU SUO QU 9 X X9 am oq qo o Date Precipitation in Devil s Canyon is divided into two forks East and West and is divided into the Developed Land Agricultural Land Grassland Forest Land Scrub Land Barren Land and Palustrine Wetlands In the table below shows the slope of the land the length Percent area the area each division is and the curve number 6514 83 0 3105 21374 1 13008 1 6126 305 0 042559186 130516 469 0 906692487 Op
26. Feb2014 16 08 28 Control Specifications Control 2 n Components Compute Results Volume Units 9 IN AC FT EP Junction Options Computed Results Basin Name Devil Canyon Element Name Outlet Description Downstream None m tg ty Peak Outflow 40 7 CFS Date Time of Peak Outflow 28Feb2001 00 00 Total Outflow 0 59 IN Observed Hydrograph at Gage DC Peak Discharge 12 00 CFS Date Time of Peak Discharge 25Feb2001 00 00 Avg Abs Residual 8 37 CFS Total Residual 0 03 IN Total Obs Q 0 62 IN VOTE ZU3O Toona TIU Parameter provers TTTITEteUrumurc mouer METI NOTE 40049 Found no parameter problems in basin model Devil Canyon E WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 104 3 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 2 at time 25Feb2014 16 08 28 mW 4 09 PM 2 25 2014 E HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edi
27. S Rit cneme Oe TYE Ly Devil Canyon Je Simulation Runs C385 Run 1 E3 Global Summary West Fork i East Fork pc ih Reach 1 S outlet i Graph Summary Table Time Series Table n Components Compute Results 5 E ES a J Time Series Results for Junction Outlet coe ed Project Devil Canyon Simulation Run Run 1 Junction Outlet Start of Run 04Dec1997 00 00 Basin Model Devil Canyon End of Run 16Dec1997 00 00 Meteorologic Model Met 1 Compute Time 04Mar2014 16 27 12 Control Specifications Control 1 Date 04Dec1997 05Dec1997 00 00 1 0 1 0 0 7 06Dec1997 00 00 6 6 6 6 Fd 07Dec1997 00 00 5 3 5 3 5 1 08Dec1997 00 00 4 5 4 5 4 1 09Dec1997 00 00 1 9 1 9 3 1 10Dec1997 00 00 1 2 L2 1 6 11Dec1997 00 00 1 0 1 0 1 5 12Dec1997 00 00 1 0 1 0 1 4 13Dec1997 00 00 1 0 1 0 1 3 14Dec1997 00 00 1 0 1 0 1 2 15Dec1997 00 00 1 0 1 0 1 1 16Dec1997 00 00 1 0 1 0 1 0 NOTE 40049 Found no parameter problems in basin model Devil Canyon NOTE 41743 Initial abstraction ratio for subbasin West Fork is 0 1286 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0429 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork
28. Spring 2014 EGR 356 HEC HMS Lab EGR 356 HEC HMS lab This lab is on using a hydrologic model to design a system and predict flows The model is currently used by US army corps of engineers This assignment addresses the following CE program outcome s and performance indicator s CE OUTCOME 15 Be able to use the principles techniques skills and modern engineering tools necessary for successful engineering practice and design in their chosen fields associated with civil and environmental engineering Comments This was a great lab and lab reports improved Suggestions from 2010 2011 N A Actions taken N A Suggestions from 2013 2014 Always search for better study site EGR 356L Hydrology Lab CALIFORNIA BAPTIST UNIVERSITY spring 2014 Introduction to HEC HMS HEC HMS Basin Model Development This week s lab will focus on defining and setting up our Basin Model and gathering the various data and parameters we need to input into this section of the HEC HMS model Development of the HEC HMS model for as watershed requires several steps as outlined above In short these include 1 Basin Model Development 2 Meteorological Model Development 3 Running simulations with our given data and values 4 Refining or tuning the model simulations against observed data calibration BASIN MODEL The physical representation of the watershed or basin is configured in the Basin Model Hydrologic elements are connected in a network to
29. The depth of excess precipitation runoff will be converted to cfs based on this unit hydrograph adjusted for the lag time of our basin We will go over this method in class Calculations for the various SCS parameters Time of concentration T 0 00526 L 1000 CN 9 S Lag Time T T 1 67 Where T Lag time in minutes T time of concentration in minutes L watershed length in ft S watershed slope ft ft CN Curve number for each subbasin 9 We will use Constant monthly for baseflow estimation in each subbasin For this method we need to estimate a consistent baseflow value for each month we will run simulations From the flow records for Devil Canyon select the low flow values in between precipitation events to estimate a base flow volume for the months of November December January February March and April we will only analyze storms during the rainy season Since the baseflow at the gage is an aggregate of two subbasins you will need to estimate a reasonable value for each subbasin One way to do this would be based on area contribution take the total baseflow and multiply bye the area of total for each subbasin November O O o December O O o Jaway O O Febmay O O o A Reach Routing 10 For the reaches connection the junction to the outlet select the Muskingum Cunge Method We will make estimates of these channel physics to put into the model and then adjust if needed when we cali
30. ame this Run 1 Click Next Highlight your basin model e g Devil Canyon and click Next Highlight your Met data e g Met 1 and click Next Highlight your Control 1 and click Finish Select Compute Select Create a Simulation Run Name this Run 2 Click Next Highlight your basin model e g Devil Canyon and click Next Highlight your Met data e g Met 1 and click Next Highlight your Control 2 and click Finish Select Compute Select Select Run select the run you like to compute Click on icon to run The model should now run If you see warnings the model ran OK The warnings are typically associated with the time of concentration or lag time if our computed time of concentration Tc is less than our model time interval or the initial abstractions are unrealistic If you see errors the model did NOT run and you need to troubleshoot why your model is not running Check all your start and stop times and your data entry Part 6 Viewing Results To view your results RIGHT click on the OUTLECT JUCTION and go to VIEW RESULTS gt graph or Summary or Time series Table You should see the model simulations for this outlet and the observed flow for comparison to your simulation result graph Make sure you understand which is the outlet flow This is the flow that needs to match the observed streamflow Be sure to save your TIME SERIES for all
31. as lowered to 0 2 in the East Fork Doing this lowered the curve and made the graph more accurate Conclusion The model is fairly accurate Run is accurate because its curve fits well with the observed flow curve Run 2 is less accurate because its curve does not fit well with the observed flow curve However it is more accurate than the original model Adjusting the baseflows of each run brought the end points of the actual flow and the calculated flow closer together This made the graphs more accurate Correcting the initial abstraction curve number and percent impervious caused the arc of the calculated flow to match the arc of the actual flow These values made the simulated model portray the physical attributes of Devil Canyon more accurately The exposed bedrock in the West Fork played a part in determining the initial abstraction and percent impervious Bedrock caused the initial abstraction value to increase while also causing the percent impervious value to increase One way of improving the model before calibration would have been to obtain the curve numbers for each individual type of land cover instead of using the two major land covers This would have resulted in a more precise curve number to begin with One observation that took place during calibration related to the baseflows During the wet season the baseflow had to be decreased and during the dry season the baseflow had to be increased This seems strange because it woul
32. be made from the data obtained using the San Bernardino Flood Control District s website To obtain the data go to this website http www sbcounty gov dpw floodcontrol water_resources asp then click on Online Data then select Daily Precipitation selecting area number two on the map shown below will bring up a page that consists of the many different precipitations stations that are in that area The station dedicated to Devil s Canyon is Station 2071 By clicking on the number 2071 a file will download that has storm data spanning from 1927 to 2007 a total of 80 years The data used for our analysis took place in the years 1998 2007 starting in October of 1997 and ending in October of 2006 The following graphs show the precipitation over time for each year Precip vs Time 1998 Precip vs Time 1999 4 1 4 3 5 1 2 3 1 2 5 gt 0 8 15 0 6 1 0 4 0 5 0 2 0 0 8 8 1992 27 1937 16 1997 5 1998 24 1998 15 1998 4 1998 24 1998 12 19981 1 1998 9 12 19981 1 1992 21 1992 9 1999 31 1999 20 1999 9 1998 28 1999 17 1999 6 1999 Figure I Precip vs Time for WY1998 Figure 2 Precip vs Time for WY1999 Precip vs Time 2000 Precip vs Time 2001 3 5 3 23 1 5 2 1 1 5 1 0 5 0 5 0 0 8 28 1999 17 1999 6 1999 25 2008 15 2005 4 2006 23 2008y12 20000 1 2001 20 2000 8 12 20000 1 201 20 2000 9 200 P 28 2004 19 2005 8 2007 28 2009 16 20011 5 2001 Figure 3 Precip vs Time for WY2000 Figure 4 Precip vs Time for Precip vs Time 2002 1 6
33. be used by an engineer who is looking for information on the Devil s Canyon site Because the data in the summary tables is only off by a little bit more than 2 I can say that it is not very accurate Accuracy and precision are very different categories and I believe that my data can be used when wanting to look for something precise about the watershed To improve next time I would look at the data more closely I was able to grasp the basics of hydrologic modeling but now with a better understanding of how the software works and knowing which parameters can be manipulated to get the desired results I feel as though I could take another watershed and complete a hydrologic model for that area
34. brate our model to some flow events that have occurred in the canyon Length ft oo Energy Slope QU S BotomWidh Side Slope f f Manning s n Use channel slope as a first approximation Use an approximate value this may change as we progress Basin Model Correction addition Basin Model gt Reach 1 gt Use Manning n 0 05 Bottom Width of 20ft and side slope of 0 01 Basin model Devil Canyon East Fork select Options tab under observed flow select the flow from DC Basin model Devil Canyon West Fork select Options tab under observed flow select the flow from DC Basin model gt Devil Canyon Junction select Options tab gt under observed flow select the flow from DC Basin model gt Devil Canyon gt Rea ch 1 gt select Options tab gt under observed flow select the flow from DC Tf you have an Outlet do the same for the Outlet if you do not have an Outlet you are done PART 2 After all the values are entered into the Basin Models we need to add Time Series data To do this go to Components gt Time Series Data Manager gt Data type select Precipitation Gages from the drop down menu gt New gt name it 1 e DC Double click on the left hand side panel gt double click on the gage that you created And enter the following information Mame DE Description Po Data Source Manual Entry Units Incremental Inches Y
35. c 1997 00 00 Total Outflow 0 16 IN Observed Hydrograph at Gage DC Peak Discharge 5 70 CFS Date Time of Peak Discharge 06Dec 1997 00 00 Avg Abs Residual 0 40 CFS Total Residual 0 02 IN Total Obs Q 0 19 IN Figure 26 Control 1 Final Summary Junction Outlet Results for Run Run 1 2 ce 22 Lc 26 Feb2001 Legend Compute Time 22Apr2014 22 10 55 _ Run RUN 1 Element OUTLET Result Obsered Flow Run RUN 1 Element DC Result Outtflow Figure 27 Graph of Initial Control 2 Values Project Devile Canyon Simulation Run Run 1 Junction Outlet StartofRun 23Feb2001 00 00 Basin Model Devil Canyon End ofRun 05Mar2001 00 00 Meteorologic Model DC Compute Time 22Apr2014 22 10 55 Control Specifications Control 2 Time Inflow from Inflow from Obs Flow CFS CFS pues gt z jou 17 oo i7 2 eb2001 jou 17 oo 17 a a a 26Feb2001 juo 255 oo 255 mo 272001 jo 8 amp 1 oo 81 no 2sFeb2001 juo 727 oo 727 no omarzo01 juo 349 oo 349 o3 omar2001 jou 93 oo 93 e7 ACTI O3Mar2001 00 00 32 32 79 04Mar2001 00 00 18 00 18 72 05Mar2001 00 00 17 00 17 68 Figure 26 Control 2 Initial Time Series Mar2001 Run RUN 1 Element OUTLET Result OQ utfl ous Run RUN 1 Element REACH 1 Result Outflouu Project Devile Cany
36. c data analyzing mapped information sharing and discovering geographic information using maps and geographic information in a range of applications and managing geographic information in a database The following spreadsheet data lists the type of land found in Devil s Canyon along with how much area each type of land took up Other variables that can be found using ARCGIS are the area Slope length of channel and elevation e eR EGR 356 LAB Getting data using ARC GIS Figure 19 Devil s Canyon Watershed Overall Devil s Canyon DENEN High Elev Length m Slope 1300 400 60 5231 987526 0 12423577 Area m 2 96 Total Area CN _ Developed Medium 6126 305183 0 000425345 Intensity Developed eve oped 130516 4701 0 009061669 Low Intensity Devel eveloped 148547 8436 0 010313575 Open Space Culti Crops Pasture Hay 1483 275227 0 000102983 G land rassland 155802888 0 010823536 Herbaceous E Forest E Forest Mixed Forest Mixed Forest 79M10583 583 0 054947094 054947094 mul Palustrine Wetland Palustrine Wetland Table 1 Overall Land Cover of Devil s Canyon West Fork West Fork High Elev Length m 1600 5226 09276 0 181780164 Landcover Type Area m 2 Total Area Developed Medium 3124 415643 0 000216926 Intensity Developed 66563 39974 0 004621451 Low Intensity Developed 75759 40023 0 005259923 Open Space Cultivated 4442 287
37. ce smueton time interval WARNING 41743 IniSal abstraction ratio for subbasin East Fork is 0 WARNING 41784 Simuleten time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time mterval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 834 6 Delta x m 750 NOTE 10185 Frished computing smulation run Run 1 at time 234972014 21 07 04 Parameters After Calibration for Run 1 Baseflow West East August 001 0 01 Initial Abstraction 30 Screenshot of Run 2 After Calibration J HEC HMS 3 5 C Users EGRStudent Desktop Devil Canyon Canyon Sam Devil Canyon Canyon Sam Devil Canyon Canyon Sam Devil File Edit View Components Parameters Compute Results Tools Help OSOS Rte we Bee Ta BBE ir Canyon p Basin Model Devil Canyon Basin Current Run Run 2 cili ES Graph for Junction Outlet 5 Seaton Runs Junction Outlet Results for Run Fun 2 S o Ng Run 2 055 jer Global Summary phe West Fork 0 50 East Fork Y DC 045 the Reach 1 Ouset 0 40 ES Graph gt t Summer y Table 2 0 35 a g Ep Outflow E 030 Efp Observed Flow de West Fork UN East Fork T Ef Residual Fow A 1 025 Ef Combined inflow N e 24 0 20 V P 23 24 25 26 27 28 1 k s feb2001 4 Legend Compute Time 23Apr2014 21 20 27 Ae P Run RUN 2 Element OUTLET Rest Observed Flow Run RUN 2 Element OUTLET Result Outtiow gt Components Compute Res sts NX
38. d basin model Devi Canyon Basin at time 23Apr2014 16 45 13 Screenshot of Run 2 before Calibration Cea tabe te FE BH gt T A p me Senes Table Basin Mode Devil Canyon Basin Current Run Run 2 o E Graph for Junction Outlet e re FS Outfiow y P TS Observed Fow Junction Outiet Results for Run Run 2 Ig Resdud Fon Pr E Precntaton 20 TE Gumdative Precpitaton JE Soi irf tration IE Excess Precptztion TE Cumdative Excess Precpit TES Precipitation Loss 15 TE Cumulative PreciptationLe JE DrectRumf Ezse o a Ff Easefiow S S 104 WestFork 3 ER pre Esst Fork 054 Y 00 23 m 26 25 7 28 1 2 3 4 EN Fi Feb2001 Mar2001 Comporenis Compute Ress E Legend Compute Tre 23192014 17 28 37 Run RUN 2 Element OUTLET ResultObserved Flow Rur RUN 2 Element OUTLET Result Du cm Rua RUN 2 ElemertREACH 1 ResettOutiow 2 Tie Series Results for Junction Outlet Lo La x3 ES Summary Results for Junction Outlet Project Devi Canyon ee Smulaton Run Run 2 Andion Oufet m Simulaon Run Run 2 Juncion Outlet Start Z3Feb2001 00 00 Basin Mode Devi Canyon End 05 er2001 00 00 Meteordogc Mode Met 1 StertefRure 2Feb2001 00 00 Basn Made Devi Canyon Basin Comput 23 920 4 17 28 32 Control Spectications Corral 2 EndofRun 05Mar200i 00 00 MeteordogciMode Met 1 Compute Time 23492034 17 28 32 Control Specification
39. d be assumed that the dry season would have less baseflow than the wet season A higher baseflow during a dry season might be caused by a wet season that occurred prior to the dry season More testing must be done in order to account for the higher baseflow during the dry season References HEC HMS U S Army Corps of Engineers n d Web lt http www hec usace army mil software hec hms gt Hydrologic Cycle Merriam Webster Merriam Webster Incorporated n d Web lt http www merriam webster com dictionary hydrologic 20cycle gt Jung Helen Y Terri S Hogue Laura K Rademacher and Tom Meixner Impact of Wildfire on Source Water Contributions in Devil Creek CA Evidence from End member Mixing Analysis Diss University of California Los Angeles 2008 Print Mays Larry Water Resources Engineering United States John Wiley amp Sons Inc 2011 Print EGR 356 Hydrology Devil Canyon Basin Hydrological Model Lab Report Prepared for Dr Jung School of Engineering California Baptist University Introduction In this lab Hydrological Modeling system HEC HMS was used to discover the precipitation runoff processes of the watershed systems This 1s used to produce hydrographs which tell the availability for water urban drainage flow forecasting future urbanization impact and reservoir spillway HEC HMS 1s used frequently in different locations such as large basin water supply and other
40. d results reporting tools HEC HMS HEC HMS modeling systems include analysis procedures for infiltration unit hydrographs and hydrologic routing HEC HMS Infiltration is when water seeps into the soil Mays 266 A hydrograph is the relationship between flow rate and time Mays 284 A unit hydrograph is the direct runoff hydrograph resulting from 1 in or 1 cm in SI units of excess rainfall generated uniformly over a drainage area at a constant rate for an effective duration Mays 291 Hydrologic routing determines the time and magnitude of flow on a watercourse or hydrograph at points upstream using lumped system methods Mays 331 Knowing the flow rate and other hydrologic processes in a watershed are very important Hydrologic modeling reveals these processes within a watershed Modeling can be used to help control flood damage and aid in urban planning HEC HMS Hydrologic modeling helps engineers design structures that will save people s lives and property from flooding This modeling may also aid an engineer in deciding whether it is safe to build houses or other buildings by a certain area Study Site The site used for this hydrologic modeling is called Devil Canyon located in San Bernardino California San Bernardino County The watershed has an area of about 14 km and receives about 703 mm of rainfall every year Jung The weather in San Bernardino is fairly typical to the rest of the region The city of San Be
41. e e What would you improve next time O CON DW 45 UN e NNN PRP RP RP RP RP RP RP RP Bb N FEF O WO WON DW BP UU N BeO Average 53 3 MAX 60 0 MIN 35 5 Grade Analysis Total points 60 Number of students 22 Average grade 53 3 B Average 88 8 Maximum grade 60 Median grade 53 Minimum grade 35 3 70 target grade C or better 45 Number of students above or equal to the target 19 Percentage of students above or equal to the target 86 3 Goal of percentage of students above or equal to target 80 set by the instructor Is the goal met Yes Hydrology Lab Report California Baptist University College of Engineering EGR 356 Hydrology Spring 2014 Lab Report HEC HMS Submitted to Dr Jung By Christian Morris Date April 23 2014 Introduction This lab experiment involved creating a hydrologic model for Devil Canyon Devil Canyon is a watershed located in San Bernardino California A hydrologic model is meant to simulate the hydrologic cycles of a watershed system The hydrologic cycle is the process in which water vapor from the atmosphere falls as precipitation on the earth and returns to the atmosphere through evaporation and transpiration Hydrologic Cycle The hydrologic cycle consists of runoff evaporation precipitation infiltration and transpiration The HEC HMS modeling system was used for this particular experiment It contains a database data entry utilities computation engine an
42. e baseflow was decreased This was done by opening the baseflow tab for the West and East Fork and decreasing the baseflow values for each month In the case of Run 2 the observed baseflow was higher than the calculated baseflow This required the baseflows for the West and East Fork to be increased until it accurately represented the observed flow Adjusting the arc of the graph was done by altering the curve number percent impervious and initial abstraction For Run 1 and Run 2 the initial abstraction was the first value to be changed Initial abstraction is the amount of water lost before runoff begins This would include evaporation and infiltration The West Fork has exposed bedrock that would prevent infiltration Therefore the initial abstraction for the West Fork would be lower than that of the East Fork The next value to be adjusted was the curve number Both calculated graphs were above the observed flow which required the curve number to be decreased The next value to be changed was the percent impervious Percent impervious refers to the amount of man made structures in a certain area or when a soil has been oversaturated and all of its voids are filled with water The West Fork has bedrock which would be considered impervious because it prevents water from entering the ground The percent impervious for Run 1 was increased for the West Fork due to the bedrock For Run 2 the percent impervious was left at 1 1n the West Fork and w
43. e nterval is greater than 0 29 lag for subbasin West Fork reduce simufeton time interval WARNING 41743 Inital abstraction ratio for subbasin East Fork is 0 WARNING 41784 Simuleton tme interval is greater than 0 29 lag for subbasn East Fork reduce simulation time nterval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 581 8 Delta x m 750 NOTE 10185 Frished computing smulation run Run 2 at time 234pr2014 21 20 27 August Initial Abstraction Impervious Discussion The Parameters are closer to what the graphs shape should look like The base flow of this needed to be closer to zero for the both graphs to be similar The Impervious didn t need to be changed a lot since it didn t seem to effect the graph entirely The lag numbers were very similar as well to before they were calibrated and didn t seem to effect the graph The Curve numbers were changed to a lower number to fit similarly to the graph The Initial abstraction was not changed The graphs were not perfect but were close enough to be similar These parameters are close enough to be reasonable as there are more precipitation in some months than there is other Conclusion In this lab the model was definitely Precise as we needed a lot of repetition of changing values to get a similar graph The process was a little tedious but I definitely learned a lot in this lab and I am sure it will help me in the near future when I g
44. en Space 148547 77 1 031955186 SS Cultivate Crops 8710 37 0 060510578 Pasture Hay 1483 28 0 010304285 Grassland Herbaceous 156162 887 1 084857087 17791 887 0 1235995 4327085 4 30 06008247 19 53905361 791680 586 5 499772135 3 574851887 Scrub Shrub 8 90593 125 61 06788517 30 53394258 12616 12 0087643661 Palustine Forested Wetland 2732 801 0 018984655 Palustrine Scrub Shrub Wetland 741 85 0 005153601 14394788 85 53 64784808 19 420521 53 64785 72 69262 3 9 0353293 134 1904 81 84082 226 967263 80 35355 49 00648 Methods The Basin Model consists of the Basin Model Development Meteorological Model Development Running simulations and Refining or tuning the model simulations against observed data In The Basin Model Development We had two sub basins East and West The Model included a time series model a meteorological model control specification and run manager We named the Meteorological model Met 1 the sub basin loss infiltration loss is the SCS curve number which is used to calculate the run off The Method that we used is the Muskingum Cunge Standard Section The SCS method is used to calculate infiltration losses The equations below are used to calculate the Lag Time of concentration in minutes T 0 00526L 1000 CN 9 S Lag Time in minutes T iZT 1 67 L watershed length in ft S watershed slope ft ft CN C
45. ernardino Mountains d San Jacinto e Mountains Li San Diego Region Gorgonio Pass a os graphs on the next two pages show how much precipitation was in one year devil canyon Devil Canyon San Bernardino CA 92407 Traffic Bicycling Terrain SANE YCANYOR 4 Z a y O k 5 S Mo 5 fe y Y S qi Y Palm Elementary School e Yy l Ka Wo fa 74 Gi Mo S May PS ES Sy v x c Wa e lt p S We kron ES S 89 3S ey Sy N x y 5 Mon 3 RO t4 p y 2 a x re gt vox zo gt Ee gt y y v os S d Sep y Uy Y Pa ta Vip 4 nny Mo eo 4 u Ave My Family Day Care gt Chi 3 s os Devils Canyon ES Percolation Basins a 7 E Y H LOS SUITE 3 A g iz S v 4 cy ss Ss 5 4 SIZE Mo Eg 2 2 ES o pa UOAUED sinag E 4 pu uoKue Siaa Precipitation in 1997 5 Es 93 m2 21 o 0 e ON Q Y QU qq qq qe qe Q qe Q SO Ny WP s VON Y Qu Qm Qo Qv S T o SS A gt S a SO a 3 Date Precipit Precipitation in 1998 1 6 14 12 1 m 08 8 os wv 04 0 2 0 PP a P P M P P S S AF SV V QN SU QU a o QU QU ANM 23 Y Date Precipitation in Precipitation in 1999 E o 15 mS 1 20 5 D o a D P o SS gt P P e c 4 ty 1 NN S T o p 5 jJ S a er S a Precipitation in Date Precipitation in 2000 Precipitation in Precipitation in 4 3 K
46. et a civil engineering job The next time I do this lab I would focus more on trying to change more factors other than base flow to try to get a more accurate graph and try to get more accurate data Hydrology Lab Report California Baptist University College of Engineering EGR 356 Hydrology Spring 2014 HEC HMS Basin Model Development Devil Canyon Submitted to Dr Helen Jung By Date April 23 2014 1 Introduction Hydrologic models are simplified conceptual representations of a part of the hydrologic cycle They are primarily used for hydrologic prediction and for understanding hydrologic processes There are many different types of hydrologic models and each one is used in its own unique way For example there is the MIKE 11 which simulates flood hydrographs at different locations along streams using unit hydrograph techniques There is also PRMS PRMS is a modular designed deterministic distributed parameter modeling system that can be used to estimate flood peaks and volumes for floodplain mapping studies For this lab report the hydrologic modeling software used is HEC HMS HEC stands for Hydrologic Engineering Center and HMS stands for Hydrologic Modeling System HEC HMS was developed by the U S Army Corps of Engineers and is available to the public domain The Hydrologic Modeling System provides a variety of options for simulating precipitation runoff processes It now includes snowmelt and interior pond capabilities p
47. hydrology projects It is generally used to model different watersheds This program is used in the work environment for data entry utility purposes and its results reporting tools The model that we used is the runoff model which explains how much precipitation that an area receives over time and how much runoff it produces The curve number that we discover in the lab tell us a hypothesis of how much rainfall and runoff we may receive in the near future This is important as this information gives us an understanding of what the hydrological cycle looks like as well as how stable the watershed is without it have to flood a specific area Study Site Devil Canyon is located in San Bernardino County California which is located about 60 miles east of Los Angeles and spans approximately 81 square miles The Climate tends to be a bit warmer especially in the summer which can average from 80 100 degrees The record temperature was set in 1971 with a temperature of 117 degrees The Precipitation graph shown below shows that it barely rains from the month of May to the end of December Between January through May are considered the months with the most precipitation The following E B K i ti Ww n X6 Lu EL 1 NE pt Le 2 Pe ILU i Ya ME 4 San Gabriel 4 Mouhtains Catalina FIE ae Pacific Ocean Cajon Moss Em aie TES PETI MNT Mojav Desert j n is n fal San B
48. ide Slope 0 01 10 Manning s n 0 1 0 During your calibrations You should try to capture both the VOLUME of the runoff and the TIMING or peak of the runoff and the shape of the hydrograph For volume The SUMMARY RESULTS table shows the observed runoff inches and the simulated runoff inches you should try to match these two values as close as possible to get the total storm runoff to be as accurate as possible lt 0 2 inches between these two values preferred however if you cannot get this close reason what might be the issue for example watershed is too small storm durations are too long to calibrate too time intervals are large and etc For Timing The GRAPH of observed vs simulated will show how well your simulations match the peak flow your peak should be at the same time period as the observed peak The parameters that we will change to try and match these two variables are CN Impervious and Initial Loss You can also try changing other parameters but other parameters are less sensitive don t affect the models simulations as strongly You may need different parameters values for each of the storms BE SURE you keep your parameter values reasonable Record all final parameter values and save all initial and final simulation data graphs and tables to turn in for your final report FOR ALL STORMS HEC HMS Devil Canyon Lab Report Due April 23rd 2014 Email the lab write up to hjung O calbaptist edu
49. ing simulation run Run 1 at time 25Feb2014 15 33 37 NOTE 10184 Began computing simulation run Run 1 at time 25Feb2014 15 35 08 NOTE 20364 Found no parameter problems in meteorologic model Met 1 NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 7 Delta x ft 750 B NOTE 10185 Finished computing simulation run Run 1 at time 25Feb2014 15 35 10 B HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help B Devil Canyon L Project Devil Canyon d West Fork p Simulation Run Run 1 Junction Outlet jou Start of Run 04Dec1997 00 00 Basin Model Devil Canyon ik Reach 1 End of Run 16Dec1997 00 00 Meteorologic Model Met 1 26 outlet Compute Time 25Feb2014 15 35 10 Control Specifications Control 1 Meteorologic Models Tem Ed Me
50. initial baseline runs and final calibration runs for each storm Also be sure to SCREEN CAPTURE THE BASELINE SIMULATIONS you have run before you start your calibrations Now you can view your results against the observed flow and re run the model as needed varying parameter to try and match the observed flow CALIBRATE YOUR MODEL Part 7 Calibrations Boundaries or constraints for parameter values are a realistic range of possible parameter values that are determined by the user Boundaries are set to insure that unreasonable parameter values are not used when searching for best values The HEC HMS model documentation has a table with realistic values for parameters HEC HMS User s Manual page 133 The optimization procedure is an iterative process A set of parameters is selected by the user the model is run a hydrograph is produced and the resulting simulation 1s compared to the observed time series The process is repeated until an acceptable fit 1s obtained correct volume timing shape etc We have several parameters we can adjust to correct for errors in our simulations The ones we will primarily focus our calibration on include Constraints Loss Function Parameters SCS Curve Number 40 100 Impervious 0 100 Initial Loss or Abstraction 0 20 inches Runoff Transformation Parameters timing SCS Lag Time0 30000 minutes Routing Parameters Reach 1 Energy Slope 0 01 1 Bottom Width 0 50 feet S
51. ion Outlet o Jg Project Devid Canyon De Project Devil Canyon Simulation Run Run 1 Junction Outlet Smulaton Run Runt Junction Outlet 7 Start of Aun 04Dec1997 00 00 Basin Model Devi Canyon Bean ey piesa ree APR raus EndofRun 16Dec1997 00 00 Meteorologic Model Met 1 Comput 23Apr2014 21 07 04 Control Specifications Control 1 Compute Time 23Apr 2014 21 07 04 Control Specificatons Control 1 Date Time infowfrom Qutfiow CbsFlow Volume Units ij MM 2000 M3 Reach 1 3 5 MIS 43 5 04Dec1997 00 00 0 0 0 0 0 0 50ec 1987 00 00 0 0 0 0 0 0 06Dec 1997 00 00 0 2 0 2 0 2 Peak Outfiow 0 2 3 5 Date Tme of Peak Outfiow 06Dec 1957 00 00 070ec1997 00 00 0 2 0 2 0 1 Total Outflow 11 76 MM 080ec1997 0000 Of or vi els Outies 09Dec1997 00 00 0 1 0 1 91 pou 10Dec1997 00 00 0 0 0 0 0 0 Observed Hydrograch at Gage DC 110ec1997 00 00 0 0 0 0 0 0 12Dec 1997 00 00 0 0 0 0 0 0 130ec1997 00 00 0 0 0 0 0 0 Peak Discharge 0 16 M3 S Date Time of Peak Discharge 06Dec1997 00 00 gt lane T T T Avg Abs Readual 0 02 3 5 14Dec1997 00 00 0 0 0 0 0 0 o a AT Total Residual 0 44 MM Total0bsQ 12 20 M 160ec1997 00 00 00 oo 00 OTERO paraa SASS SO CuUrrTurr ver T T WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0169 A WARNING 41784 Simnuleton time mterval is greater than 0 29 lag for subbasin West Fork redu
52. istics of our basin We will need to use our previous and future labs to define the parameters or values that go into each of theses methods that we will use Your lab this week consists of determining setting up your model structure The goal is to finalize your Basin Model within the HEC HMS system before spring break You can download and view the HEC HMS User s Manual from our Blackboard to help you with setting up your 1 Open the HEC HMS model system on computer Under File open New Project Give your project a name i e Devil Canyon Decide where you want to save your model setup Be sure to select ENGLISH customary units 2 Go to Components Basin Model Manager create a NEW model under your Devil Canyon Project You can give your basin a name here also Devil Canyon 3 Now double click on your Basin Model Folder to see the Devil Canyon Basin Model Double click on the Devil Canyon Basin Model This should open a gridded screen working area with various tools to design your watershed in the HEC HMS system You will need to bring each of the various components into the main screen for your model Move the cursor mouse over the various icons in the display 4 You will need two sub basins as well as a junction and one reach to setup your entire system Left click on the component you need then move your cursor to the grid and left click again to place it on the grid Select create to insert the component on the g
53. lation run Run 1 at time 25Feb2014 15 35 10 4 111 3 41 PM will 2 25 2014 Ea m iene es ENN o o DEM CanyonDevi Canyontmel o 0 E NE a File Edit View Components Parameters Compute Results Tools Help Dm E d Rit ue NI SP n P du BREADED Je Devil Canyon Summary Results for Junction Outlet AX Basin Models a B A Devil Canyon a Ey West Fork Project Devil Canyon Es East Fork P E MM Simulation Run Run 1 Junction Outlet F A gd arena eae Start of Run 04Dec1997 00 00 Basin Model Devil Canyon a rege fiad d End of Run 16Dec1997 00 00 Meteorologic Model Met 1 A Gnarifiad Huotanranh E m gt Compute Time 25Feb2014 15 51 16 Control Specifications Control 1 Components Compute Results i Volume Units 9 IN AC FT amp junction Options Computed Results Basin Name Devil Canyon Element Name Outlet Description Downstream None v Ey A Peak Outflow 23 8 CFS Date Time of Peak Outflow 06Dec1997 00 00 Total Outflow 0 60 IN Observed Hydrograph at Gage DC Peak Discharge 5 70 CFS Date Time of Peak Discharge 06Dec1997 00 00 Avg Abs Residual 4 79 CFS Total Residual 0 41 IN Total Obs Q 0 19 IN NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulati
54. lus enhanced reservoir options It can be used for calculating either single storm events or continuous simulation The Hydrologic Modeling System includes two different soil moisture models suitable for continuous modeling one with five layers and one with a single layer T wo approaches to evapotranspiration are provided and snowmelt is available Calibration runs should be used wherever possible to determine model parameters With the aid of this program we were able to create a basin model and determine the effects on a specific area Devil s Canyon in San Bernardino Once the model was created using HEC HMS factors such as peak outflow total outflow and peak discharge could be calculated easily 2 Study Site The location that was used for this project was Devil s Canyon in San Bernardino County California Devil s Canyon is in the San Bernardino Mountains making it an ideal location The shape of the watershed that located there and the type of land are all important factors when analyzing precipitation data The calculated area of the watershed is 14 403 138 12 m This area consists of two different rivers flowing into one outflow The two rivers are split into two sides West Fork and East Fork The size of West Fork is 7345600 443 m while the size of East Fork is 7057537 68 m Devil s Canyon will have many storms a year the intensity of the storms vary though according to the time of year Precipitation vs Time graphs can
55. n values from 1998 to 2006 Discharge values were found using the U S Geological Survey http USGS gov Precipitation values were found using the San Bernardino Flood Control District website http www sbcounty gov dpw floodcontrol default asp The Muskingum Cunge Method was selected for the reach routing connection from the junction to the outlet Estimating was done on the characteristics of the channel The following are the parameters entered Bottom width ft Side Slope ft ft Manning s n 0 05 Next the Time Series data was entered The simulation was set to begin on October 1 1997 and set to end on September 30 2006 A precipitation data table was filled using the values from the San Bernardino County Flood Control District s website Another Time Series was created for discharge Discharge values were found using the U S Geological Survey website The Meteorological Model was established and called Met 1 Under precipitation specified hyetograph was selected Both sub basins were to be included in the calculations as well A Control Specifications Manager was created and called Control 1 This allowed a storm event to be inserted into the simulation The first storm event was set to take place on December 4 1997 and end on December 16 1997 Another specifications manager was created and called Control 2 This storm s beginning and end date was February 23 2001 and March 5 2001 Finally the simulation
56. on Simulation Run Run 1 Junction Outlet StartofRun 23Feb2001 00 00 Basin Model Devil Canyon EndofRun 05Mar2001 00 00 Meteorologic Model DC Compute Time 22Apr2014 22 10 55 Control Specifications Control 2 Volume Units IN ACT Computed Results Peak Outflow 72 7 CFS Total Outflow 1 15 IN Date Time of Peak Outflow 28Feb2001 00 00 Observed Hydrograph at Gage DC PeakDischarge 12 00 CFS Avg Abs Residual 11 81 CFS Total Residual 0 52 IN Date Time of Peak Discharge 25Feb2001 00 00 Total Obs Q 0 62 IN Figure 29 Control 2 Initial Summary Table Junction Outlet Results for Run Run 20 23 24 Fis 26 2f 28 1 2 3 4 Feb2001 Mar2001 Legend Compute Time 22Apr2014 22 26 36 Run RUN 20 Element OUTLET Result Obsermed Flow Run RUN 20 Element OUTLET Result Outflow Run RUN 20 Element DC Result Outflom 4 w Run RUN 20 Element REACH 1 Result Outflow Figure 30 Graph of Final Control 2 Values Project Devile Canyon Simulation Run Run 20 Junction Outlet Start ofRun 23Feb2001 00 00 Basin Model Devil Canyon Project Devile Canyon End ofRun 05Mar2001 00 00 Meteorologic Model DC Simulation Run Run 20 Junction Outlet Compute Time 22Apr2014 22 26 36 Control Specifications Control 2 n P StartofRun 23Feb2001 00 00 Basin Model Devil Canyon ql Panag Obs Flow EndofRun 05Mar2001 00 00 Meteorologic Model DC CFS CFS Compute Time 22A
57. on time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 7 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 1 at time 25Feb2014 15 51 16 4 3 51 PM 2 25 2014 nl mr ill Above are the results from the first run The first picture shows the results in graph form The blue line is result due to the parameters and other input data and the black line is what the actual observed flow should look like The Time Series data can be seen in the second picture and the third picture shows the summary of results for the junction outlet The total residual 1s 0 41 inches and the residual should be about 0 2 inches Below is the table of data input for this run After Calibration Run 1 E HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help D c E d tk amp NU P Phi CS EN UN de Devil Canyon A Graph for Junction Outlet IC ees Simulation Runs 33 Run 1 Junction Outlet Results for Run Run 1 E Global Summary West Fork Es East Fork
58. pr2014 22 26 36 Control Specifications Control 2 0000 63 00 63 62 Volume Units IN AC FT 00 00 0 0 63 66 00 00 E 7 E 11 7 P EA 00 00 EE 8 10 8 12 0 Peak Outflow 12 7 CFS Date Time of Peak Outflow 28Feb2001 00 00 7 4 7 4 11 0 Total Outflow 0 57 IN 2 S 7 11 0 9 3 Observed Hydrograph at Gage DC 5 d Peak Discharge 12 00 CFS Date Time of Peak Discharge 25Feb2001 00 00 S z gt Avg Abs Residual 1 08 CFS Ostras jon es oo 53 68 Joel 00500 Total cba 0 62089 Figure 31 Control 2 Final Time Series Figure 32 Control 2 Final Summary Table 5 Discussion When looking at the parameters in the figures and tables in section 4 it can be seen that the values are pretty reasonable By changing things like the Baseflow and Initial Abstraction the graphs were able to match up quite well and the numbers make sense The Peak flows of each control are only off by a few tenths Although for Control 2 the peak flows occur at different times This 1s expected though because we are comparing actual data to calculated data which can sometimes be misleading The fact that the peaks are close shows that the data is good enough to use when predicting how a storm will affect the area in question 6 Conclusion I believe that my model is precise When looking at the calculated data 1t may not match up perfectly with the actual data but it is consistent enough to
59. reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 201 9 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 1 at time 04Mar2014 16 27 12 4 29 PM 3 4 2014 Above are the results for Run 1 after calibration The total residual 1s 0 01 which falls within range of 0 2 The blue line is now closer to the actual observed flow which is the goal of calibration Below is a table of the new data input Initial Abstraction Curve Number lmpervious Lag Time Baseflow January February March April May June July August September October November December Before Calibration Run 2 Run 2 Dry Season Ki HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help D m E d RL 05 UU S n PE BREADED d Basin Models El Graph for Junction Outlet co 8 mS B A Devil Canyon E West Fork Junction Outlet Results for Run Run 2 24 East Fork fg No Canopy No Surface 3 SCS Curve Number fg SCS Unit Hydrograph if Constant Monthly La amp pc EH Reach 1 ep Outlet Components Compute Results 4 BY Junction Options Basin Name Devil Canyon Element Name Outlet Description Eg E Flow cfs Downstream None v 23 24 25 26 27 28 1 2 3 4 Feb2001 Mar2001 Legend Compute Time
60. rid You can also name each of the components 5 You will also need to connect each of the subbasins to a junction junction to a reach and reaches in some order to the outlet Make sure you have the arrow cursor before proceeding Connections are then made by left clicking on the component and designation where you want the downstream connection then right click on the downstream component to connect Proceed till all the components are connected There may be several ways to set up the watershed structure but you should have a model schematic somewhat similar to the figure below PA HEC HMS 3 4 C Spring11 EGR356_Hydrology _ab Lab3Wevil_CanyonWevil_Canyon hms File Edit view Components Parameters Compute Results Tools Help Dae Sik d X 9 lw Up e Y 5 ox ES EN ES Y Q Devil Canyon 22 Basin Model Devil Canyon 5 Basin Models Devil Canyon Hgy West Fork Heyy East Fork Sf pc H Reach 1 E outlet wrest Fork S East Fork Components Compute Results Es Subbasin Loss Transform Baseflow Options Basin Name Devil Canyon Element Name West Fork Description DC lt Downstream DC Area MI2 Loss Method SCS Curve Number Transform Method SCS Unit Hydrograph Baseflow Method Constant Monthly Reach 1 Outlet 1 I NOTE 10008 Finished opening project Devil Canyon in directory C Spring11 EGR356_Hydrology Lab Lab3 Devil_Canyon at time O8Feb2011 10 25 19
61. rnardino experiences chilly winters that rarely results in snow However the San Bernardino Mountains do receive snow in winter Summers in San Bernardino are dry and hot During these dry hot summers wildfires become a cause for concern In 2003 97 of Devil Canyon was burned by wildfires Jung This caused infiltration in the area to decrease and overland flow to increase Jung Another feature of Devil Canyon involves the San Andreas Fault Devil Canyon s southern section is divided by the fault This fault has caused the bedrock in that area to become weathered and fractured Jung The two major tributaries of Devil Canyon are the West and East Fork The West Fork has a length of about 5872 97 meters and encompasses a large portion of the watershed It also has exposed bedrock in some areas Jung The East Fork has a length of about 3861 22 meters The picture below is a rough outline of the Devil Canyon Watershed The following picture is a rough outline of the watershed with the West Fork and East Fork labeled Cedarpines Park The picture below is a rough outline of the Devil Canyon Watershed West Fork and East Fork are labeled Cedarpines Park Bn West Fork East Fork 5 2 j The graph below is the precipitation that Devil Canyon received every water year from 1998 until 2006 A water year begins on October 1 of the previous year and ends on September 30 of the current year Annual Precipitation 60
62. rval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 c WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 104 3 Delta x ft 750 J NOTE 10185 Finished computing simulation run Run 2 at time 25Feb2014 16 08 28 SA 4 09 PM 2 25 2014 Above are the results from the second run The first picture shows the results in graph form The blue line is the result due to the parameters and other input data and the black line is what the actual observed flow should look like The summary table can be seen in the second picture and the third picture shows the Time series results for the junction outlet The total residual is 0 03 inches which falls within range but calibration was done to increase the accuracy of the model Below is the table of data input for this run May After Calibration Run 2 RB HEC HMS 3 5 C Documents Junior Spring Semester Hydrology Devil_Canyon Devil_Canyon hms File Edit View Components Parameters Compute Results Tools Help D m E d X amp ue UN P n PE BREADED Je Devil Canyon Graph for Junction Outlet cm TA ES o Basin Models SEF H A Devil Canyon Junction Outlet Results for Run Run 2 Eds West Fork H
63. s Control 2 Dae Tme ifowfom Outiow Obs Flow MaS M35 N35 Volume Units Q MM 2000M3 232001 00 00 16 16 22001 000 15 16 02 Computed Rests Fea jon 17 17 03 2201 00 00 18 18 Peak Outflow 2 2 M35 Date Time of Peak Outfiow 28252001 00 00 ZFehX01 00 00 16 16 Total Outfiow 267 35 MM WN 00 00 22 22 03 0Mar2001 00 00 19 19 03 memo o0 16 16 02 Observed Hycrogragh at Gage DC 02001 00 00 16 16 DMaXO0 0x0 16 16 E Peak Discharge 0 34 M3 5 Date Time of Peak Discharge 25752001 00 00 05Mar2001 0000 16 6 Avg Abs Residual 1 45 M35 TotalResidul 226 77 MM Total Obs Q 4 55 M4 STRIP PUNTO DCUUUCUTyUCT DUET WARNING 41743 Inita abstraction rao for subbasin West Fork is 0 0023 WARNING 41784 Simulation time interval s greater than 0 29 lag for subbasin West Fark reduce simulation time interval WARNING 41743 Init abstraction ra o for subbasn East Fork is 0 0023 WARNING 41784 Simulation ime interval s greater than 0 29 lag for subbasin East Fork reduce smulaton time interval NOTE 4205 Routing parameters for reach Reach 1 Delia t sec 302 1 Delta x m 750 NOTE 10185 Finished computing smulabon run Run 2 at me 234002014 17 28 32 Parameters Before Calibration for both Run 1 and Run 2 October 0 8058 0 7742 0 8058 0 8058 0 8058 0 8058 0 8058 0 8058 0 8058 0 8058 0 8058 0 7742 0 7742 0 7742 0 77
64. simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 005 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 2 Delta x ft 750 NOTE 10185 Finished computing simulation run Run 2 at time 21Apr2014 22 54 35 11 00 PM 4 21 2014 Above are the results for Run 2 after calibration The total residual 1s 0 00 which falls within range of 0 2 The blue line is now closer to the actual observed flow which is the goal of calibration Below is a table of the new data input 01 02 curve Number 2 29 lmpervious 1 02 Discussion Calibrations were required because it involved matching the watershed s physical features and therefore providing a more accurate hydrologic model This involved some trial and error however one needed to know how each parameter being changed affected the model The main goal was to enter new parameters that made the model more accurate to Devil Canyon s actual physical features Calibration for each model began by matching the actual baseflow with the resultant baseflow Adjusting the baseflow changes the y axis of the graph and allows the model to be more accurate The actual baseflow for Run Iwas higher than the calculated baseflow In order to obtain a more accurate model th
65. t 1 T e LA Gnarifiad Huatnnranh 04Dec1997 2 7 05Dec1997 00 00 2 5 2 5 Components 06Dec1997 00 00 23 8 23 8 Funcion lous 07Dec1997 00 00 20 2 20 2 Options 08Dec1997 00 00 17 2 17 2 09Dec1997 00 00 6 3 6 3 Basin Name Devil Canyon 10Dec1997 00 00 3 2 3 2 Element Name Outlet 11Dec1997 00 00 2 6 2 6 ription 12Dec1997 00 00 2 5 2 5 panee 1 13Dec1997 00 00 2 5 2 5 Downstream None MIO 14Dec1997 00 00 2 5 2 5 15Dec1997 16Dec1997 WARNING 41053 Total inflow to reach Reach 1 is zero p NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 3 049 4 Delta x ft 1 500 NOTE 10185 Finished computing simulation run Run 1 at time 25Feb2014 15 33 37 NOTE 10184 Began computing simulation run Run 1 at time 25Feb2014 15 35 08 NOTE 20364 Found no parameter problems in meteorologic model Met 1 NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin West Fork reduce simulation time interval WARNING 41743 Initial abstraction ratio for subbasin East Fork is 0 0502 WARNING 41784 Simulation time interval is greater than 0 29 lag for subbasin East Fork reduce simulation time interval NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 123 7 Delta x ft 750 NOTE 10185 Finished computing simu
66. t View Components Parameters Compute Results Tools Help Dae Ei X amp ue Fe TE x8 C3 X C C3 E d Basin Models me Series Results for Junction Outlet baam E x B A Devil Canyon E E id West Fork Project Devil Canyon Eh East Fork Simulation Run Run 2 Junction Outlet fg No Canopy j D IF No Surface 3 Start of Run 23Feb2001 00 00 Basin Model Devil Canyon I SCS Curve Number End of Run 05Mar2001 00 00 Meteorologic Model Met 1 Ig SCS Unit Hydrograph Compute Time 25Feb2014 16 08 28 Control Specifications Control 2 gt Git ey Date Time Inflow fro Outflow Obs Flow E Reach 1 CFS CFS CFS p Y 23Feb2001 00 00 0 1 0 1 6 2 24Feb2001 00 00 0 1 0 1 6 6 Components Compute Results 25Feb2001 00 00 5 0 5 0 12 0 ea cian 26Feb2001 00 00 12 5 12 5 12 0 Options 27Feb2001 00 00 3 5 3 5 11 0 28Feb2001 00 00 40 7 40 7 11 0 Basin Name Devil Canyon 01Mar2001 00 00 19 7 19 7 9 3 Element Name Outlet 02Mar2001 00 00 4 7 4 7 8 7 Description 03Mar2001 00 00 1 0 1 0 7 9 04Mar2001 00 00 0 2 0 2 rea Downstream None _ bi 05Mar2001 00 00 0 1 0 1 6 8 YO 205057 oono TIO parameter propia 1 ETEUTUIDUn ooer VET TI NOTE 40049 Found no parameter problems in basin model Devil Canyon WARNING 41743 Initial abstraction ratio for subbasin West Fork is 0 0502 WARNING 41784 Simulation time inte
67. tlet Clara E esults for Junction Outlet Cr dr x Project Devil Canyon Project Devi Canyon Simulation Run Run 1 Junction Outlet Simulation Run Run 1 Junc amp on Outlet Start 04Dec1997 00 00 Basin Model Devi Canyon End 16Dec1997 00 00 Meteorologic Model Met 1 Compu 23Apr2D1 16 3407 Control Specifications Contra 1 StrtofRun OWDeci997 00 00 Basin Mode Devi Canyon Basn EndofRun 16Dec1997 00 00 Meteorologic Model Met 1 a A q En Compute Time 234pr2014 16 34 07 Control Specfications Control 1 Reach 3 5 M35 M3 Weis 00 16 16 00 Vokme Unts MM C 100M3 OSDeci997 00 00 L6 16 00 1 Computed Results Deci 00 00 20 20 03 Omeci997 0000 19 19 01 eee 2 MA Peak Outflow 2 0 M3 S Date Time of Peak Outflow 06Dec1997 00 00 Outlet 090ec1997 00 00 16 16 0 1 Total Outfiow 310 54 MM 10DecI997 09 L6 16 00 IDe 30 16 15 02 12DecI997 09 15 16 00 HDe9 030 16 16 vo Observed Hydrograph at Gage DC wie OO 16 16 00 A A ML a Peak Discharge 0 16 43 5 Date Time of Peak Discharge 06Dec1997 00 00 PI ns Avg Abs Residual 160 MSS TotalResdual 298 34 MM Tota Obs Q 12 20 4M NOTE 10008 Frished opening project Devil Canyon in directory C Users ESRStudentiPesktop Pevil_Canyon_Sam Pevil_Canyon_Sam Pevi Canyon _SamPevi_Canyon_Sam Pevi_Canyon_Sam Pevi_Canyon_Sam at time 23A0r2014 16 45 08 NOTE 10179 Opene
68. ultiplied by their respective curve numbers Finally the two values calculated were added together This revealed a curve number of 50 1 Area 100 CN Evergreen x estimated CN 65 19 539 Area 100 CN Scrub Shrub x estimated CN 50 30 534 Final CN CN Evergreen CN Scrub 50 1 In order for HEC HMS to develop the SCS Unit Hydrograph the lag time was calculated This was done by using the following equations Time of Concentration 1000 0 005261 7 egg se Lag Time T T 1 67 T Lag time in minutes T Time of concentration in minutes L Watershed length in ft S Watershed slope ft ft CN Curve Number for each sub basin 50 1 Lag Time minutes 115 34 94 31 Two lag time calculations were done One calculation for the West Fork and one for the East Fork were made The length of the watershed was found using ARC GIS A line was drawn from the outlet of the basin to the end of the watershed This was done for both the West and East Fork Devil Canyon s slope for the West and East Fork were found using the difference in the highest and lowest elevations for each fork The difference was then divided by the length of the fork The equation is as follows slope high low length The next step in the modeling process involved setting a baseflow In this experiment a constant baseflow for each sub basin was used These values were obtained through the discharge and precipitatio
69. urve number for each sub basin The CN number of our watershed was found by multiplying the CN by the percent area of each land use and then adding it Shape Prism t The data that was inputted into the model was precipitation and observed discharge from past labs and land use information to obtain the CN number The precipitation was obtained from the San Bernardino Water Control District website http www sbcounty gov dpw floodcontrol default asp The discharge was obtained from the U S Geological Survey website http www usgs gov and the land use which was used to find the CN number was obtained from the National Oceanic and Atmospheric Administration website http www noaa gov Results Screenshot of Run 1 before Calibration E HEC HMS 35 ClUsers EGRStudenti Desktop Devil Canyon SamiDevil Canyon SamiDevil_ Canyon Sam Devil Canyon Sam Devil Canyon SamiDevil_Canyon_Sami Devil Canyon hms jamal File Edit View Components Parameters Compute Results Tools Help DUI Peeve BF SURES Basin Model Devil Canyon Basin e e E Junction Outlet Results for Run Run 1 West Fork Flow cms East Fork 4 5 6 8 9 10 11 12 13 14 15 Dec1997 Legend Compute Time 23Apr2014 16 34 07 Run RUN 1 Element OUTLET Result Observed Flow Run Ren 1 Element OUTLET Result Outtow Run RUN 1 Element REACH 1 Result Outilow QJ Time Series Results for Junction Ou
70. was ready to be run Two runs were created for the simulation Run 1 was to simulate a wet season and Run 2 simulated a dry season The results were viewed by right clicking on the outlet junction and selecting view results Results could be displayed through a graph summary table or Time Series table Now that the results could be seen against the actual observed flow of the basin the calibration process could begin Results Before Calibration Run 1 Run 1 Wet Season i HEC HMS 3 5 CA Documents WURIOES PAG Semester Hydrology Devil Canyon Devil_Canyon hms demie 81 File Edit View Components Parameters Compute Results Tools Help D a Eb d tr amp Cee NU P n PE XS C EXE 63 Ly Devil Canyon EJ Basin Models E mE ery Em a 7 i E3 Devil Canyon Junction Outlet Results for Run Run 1 i West Fork i East Fork DC iv Reach 1 PENIS Ji Meteorologic Models C4 Met 1 AG Cnarifiad Uvataaranh 4 Components amp Junction Options en Flow cfs 1 Downstream None 15 Dec1997 Legend Compute Time 25Feb2014 15 35 10 Run RUN 1 Element OUTLET Result Observed Flow Run Run 1 Element OUTLET Result Outflow Run RUN 1 Element REACH 1 Result Outflow WARNING 41053 Total inflow to reach Reach T is zero A NOTE 41054 Routing parameters for reach Reach 1 Delta t sec 3 049 4 Delta x ft 1 500 NOTE 10185 Finished comput

Spring 2014 EGR 356 HEC HMS Lab EGR 356 HEC HMS

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