Home

AdcpXP User`s Manual - IIHR – Hydroscience & Engineering

Contents

1. A I ADCF software and hardware Save f A 5 ADCPdata My Recent Gacy Peoiiiepis Builders Manual MyADCP_papers Data paper 20070427 Sy Test ua writing outst 1 T t am ch LA a D a My Documents Mo Computer My Network File name Myo utput bi Places save as Ippe Excel file xls Cancel 71 It will take about 10 seconds The following message announces that a new Excel file was created Notice 2 Let s assume that you have processed depth averaged velocity distribution in the Horizontal Velocity Profile interface as displayed below 16 ARA 450975104 4589751 76 4589752 09 4589752 26 4589752 64 4589753 17 4589753 14 4589753 66 4589753 64 4589753 88 4589754 12 4589754 4 4589755 4589755 42 3 Click Save Data _ swen You are asked to put in the spreadsheet name Let s name it Depth AveV Do not use a spreadsheet name identical to the Excel file ES Sheet Name icles Enter a worksheet name that you want to store data Depth Ave Ok 78 It will take some time depending on the size of your dataset Wait until you meet the following message If possible do not ouput to Excel files for large lookup tables e g tables in the Summary page WinRiver ASCII raw data Motice LD Successfully saved 4 Now you will see what was stored in your Excel file Open MyOutput xls UTM Elm b B55 37 65855
2. Anange Func Arrow Length ratio 2 2 5 Secondary Flows The following exercise demonstrates how to visualize secondary flows that have developed across the river transect The secondary flow visualization is accomplished by plotting the spanwise and vertical velocity components The mapping is done after vertical and spanwise spatial averaging at user defined distances 1 Choose Secondary flow in the menu or Alt t s or click the icon in the tool bar 21 AdcpXP LA velocity Spatial Averaging Discharge Calculation M Manning s n Dispersion Coefficient A Bed Load Velocity BI Bed Shear Stress BJ vorticity amp Circulation d Streamwise Velocity Profiles Distance ft 400 600 An interface for secondary flow visualization will appear Input an averaging distance of 50 ft for horizontal averaging distance and select Spanwise Spatial Averaging as shown below Spanvwase Averaging Step Averaging Type A a artyk B i oth ab pr Hl Ja SE F dl a LA J is pi Mias i 0 Poo le payo ras atra desd yt oil AES 2 VS deb 450 50 550 600 680 700 750 60 80 C t Distance 10 Another option is to spatially average in both spanwise and vertical directions For this purpose choose Double Spatial Averaging Spanwine Averaging Step Averaging Type o C Spanwise Spatial Averaging Double Spatial Averaging Spanwise Vertical Specify
3. averaging steps in the spanwise direction 1 You can select this interface by clicking the icon in the tool bar or via the menu as shown below AdcpXP Er Transect Stationary Reach Export Import Help Y E Vertical Velocity Profile for Ansemble BS Horizontal Velocty Profile for each Bin Depth _ Velocity Contour Plot Averaging io 30 Velocity Veckor for bransect 2 Specify a distance for spatial averaging of the measured velocities Spanwise Averaging Shep 50 it 3 Choose the axis View Option as Exaggerated Axis Scale for enhanced visualization the scales for X and Y axes are different under this option View Ophon Exact Axis Scale le Exaggerated Axis Scale 4 Click Draw 3D Vector then you can see the following plot 19 3D Velocity Vector Visualization Left click and drag to manipulate the 3D view You can also make formatting changes to the chart in Chart Option Check Animate in the Rotation Center then the plot will begin rotating with respect to the z axis Rotation Center gt _ a ce za of jeieitirand sieindeidan paraitino j M 30 Ames i Actes Vector 3 the scale between the X and Y axis becomes identical For this option an improved view of the flow field can be obtained by increasing the Arrow Length ratio After each change click Draw 3D Vector 20 Exaggerated Axis Scale
4. Poyan S Y Spatial Reference Description Projected Coordinate System Name NAD_1983_UTM_Zone_15N Geographic Coordinate System Name GCS_North_American_1983 M Show Details F Coordinates will contain M values Used to store route data TT Coordinates will contain Z values Used to store 3D data OK Cancel 3 Goto ArcMap again click on the Add icon to add the created shape file In the dialog box navigate to the location of the data select the shape file 67 ReachBoundary shp and click the Add button The added file will then be listed in the ArcMap table of contents 4 Load the Editor toolbar then click on Editor gt Start Editing where Task is Create New Feature and Target is ReachBoundary shp Click the sketch tool r then the mouse pointer will change into a cross with red dot Now you are ready to digitize the river reach boundary 5 Left click on the river boundary of the reach you are targeting and on the final point double click to finalize digitizing After zooming in on the aerial photograph more detailed boundaries can be digitized Go to Editor gt Save Edits gt Stop Editing Now you have created a polygon containing the river reach boundary 68 6 You will use ET GeoWizards in ArcMap to convert a polygon or polyline based shap efile into a point based shape file and generate X Y and groupID for an individual polygon Download ET GeoWizards from the foll
5. Geocoding Tools Convert Features to Graphics E Geostalistical Analyst Convert Symbology to Representation EY Linear Referencing Te E Spatial Analyst Tools Data Y Spatial Statistics Tool Save As Layer File Properties When the attribute table shows up click Options gt Export 71 dm Atiributes of ReachbeundaryPoinl E i ca STI gt gt dE 1_1 lolon l gt BETH Sg BETH pii BETIO BAT BETITI 445000 FE 90713 RESETS 4559979 14143 B08 50034 N 560133588569 4550006 75793 B56172 02576 459000675793 BSGR0G 27M ONSEN GAINS 56375 SOOO SAI GIT 830007 00657 Che 450046 21006 occ oo ooo oe ooo ol See 60586 e865 eee 6 S86 650068 6 66 5 6 6 6 6 15 Pont SA 1 nf show AT selected Re REE 16 BF Uw AY Se or ot In the Export Data dialog box click on the icon to navigate to a location to save data Export Data All records Use the same coordinate system as C ielai ou lee dala the data Hame C the feature datazet you esporl the data mta lonii applles hou expo to a feature dataset m geodabibase Output table FAR ezearch Export Output dbt Cancel gt Select Text File for Save as type and put a name on it then click Save Saving Data Look in E avce al alla ADCP software and hardware J Writing ADCPdata 2 temp Ext ADY Builders Manual MyADCP_papers Data paper 2
6. 113 1122 93 lt oO Mean Depth 11 27 109 34 0 52 94 36 10 Froude Number 0 81 106 91 75 12 E Aspect Ratio 197 28 1 36 108 56 D Hydraulic Radius 1 18 91 22 0 59 102 71 0 D Bin Size 4274 67 76 0 62 65 85 061 778 0 37 353 07 0 76 17 02 i 0 26 2 47 EY Save Current Table Y Graph Option ASCII File gt F Research ADCP 55A4020t 000 Transect The initial AdcpXP interface contains information about the bathymetry as well as the spatially averaged streamwise velocity profiles see Section 2 2 1 for more details This enables the user to get a general idea of the velocity distribution in the cross section Another feature of this particular interface is the extrapolated edge bathymetry blue lines based on the depths near the river bank polated Bathymetry Bathymetry and Streamwise Velocity Profiles W a amp jF 12 ELLO 18 E 7 d Se A er eee i Measured Bathymetry Bathymetry t pi o b Spatially averaged streamwise velocity i i ecewrced E PIE IE O E E E E E coo ono rr rr rr cds rro s i i i i i i 3 The ADCP raw output data are reclassified and stored into three types of tables summary ensemble and 3D 3D Observation Table Y Remove missing data 0 1 0 1 2 0 1 2 0 1 2 0 1 0 1 2 0 1 A WinRiver generated ASCII file is classified into two tables Ensemble 3D where the Ensembl
7. Draw every f FT Clipped Angle 0 r hai Wwe wn ateena com 4 1 2 Fixed Point Measurements Choose multiple ASCII files for fixed point ADCP measurements Select multiple ADCP files WinRiver ASCII t 000 wes05 000 115506 1000 wss0 _E000 3308 1 000 west LODO 3310 t000 weet 1000 w12 t000 w413 1000 wasia LODO Sl Follow the same procedures in the previous transect analysis then you will have fixed point bathymetry four beam bathymetry and the temporal depth averaged velocity field You can save the processed results in the same manner Fixed point locations 32 Fixed point four beam locations Temporal depth averaged velocity field with name tags 53 4 2 3 D Reach Scale Analysis This interface handles three dimensional visualization of the hydrodynamic and morphologic features based on the user selected transect or fixed point measurements in a specified reach You can select this interface in the toolbar or via the menu as shown below File General Velocity Transect Stationary MEA Export Import Help 7 El lex gt 5 TE File General Velocity Transect Stationary Reach Export Import Help 10 en aad e z Fla iss m Se 3 8 Reach 3D Bathymetry Type Rotation Center WinRiver Ascii file t 000 7 4 beam averaged Individual beams 3D Axes VV Active Animate FN wst0T_t 000 a Wane m i gt Research pa odas i e Bathymetry na a BARY amp F
8. M Transect Stationary Reach Export nent Help TA al velni v Profile For rnembie a Mg Horizontal Velocity Profile for each Bin Depth Select Regre Y velocity Contour Plot Power k a an Velocity Vector for transect Log hs The following is displayed 13 AdopXP De Gamera yelocty Transact Stationary Resch Esport peot Hap asma al earje als maja Sm 18 Select Regening Type Xaa S pal pg dimce Y Save Dala Ce Sl mene remo J MITA JR ES A t Masis Location of Ping athe charnel depth profe Select the Regression Type if any that you would like your data to be plotted against From the Select a Ping drop down box select the ping for which you will view the vertical velocity profile Clicking this drop down box will allow you to scroll pala the pings und the roller ball on your mouse 14 The next screen will allow you to view individual ensembles from four different perspectives The top left plot shows the location of the ping and its vertical along the bathymetric surface Below that 1s the boat s moving path with mean flow direction noted by the red arrow and the boat location indicated by the red triangular shape Blue arrows indicate spatial depth averaged velocity vectors The middle plot shows the vertical streamwise velocity profile at the ping that you have chosen with the regressed velocity model that you chose 1 e 1 6 power law or l
9. Re VIA Re RPA AR N h e AE UA p gt f pos E ae Edtor Y P v Task Create New Feahee DAYENPORT_E_NE sid A RGB Mred Band_1 Mi Green Bard_2 MM Sue Band_3 Y DAVENPORT_E_NW sid RGB M red Sand_1 Mi Green Band_2 MM Elue Band_3 Y DAYENPORT_E_SE sid RGB MM Blue Band_3 A ILLINOIS_CITY_NE sid RGB ig i an aj Drawing RO Ovr Ar dara jf0 Bz u Ar Dr gr te 1669037 3 4589655 1 Unknown Units 66 2 Launch ArcCatalog 9 x and create an empty shape file ArcCatalog Arcinfo F Research Ele Edit View Go Tools Window Help e g3 BEX WEBB AaASOW 428 Location IF Research l J Documents and Settings E MyDesk Sy Research J ADC Copy Chr el Com MA nes i C Com 5 Eclip X Delete ESC Rename F2 HE Ss o resh E er Bet 7 LSPI H E Mt o G myr L Search E File Geodatabase Pl 7 Personal Geodatabase C plen St Prop nia Be 5 runtime Mew configuration aiii s Thesis Group Layer 13 Tip Collection 7 TOuestion Collection J Temp fm miol nnu ee ee In the following dialog box input the name of shape file select the Feature Type as Polygon or Polyline click Edit and set the Spatial Reference as NAD 1983 UTM Zone N depending on your UTM zone Click OR then a newly created shape file will appear Create New Shapefile Name ReachB oundary Feature Type
10. You will see the message Conversion successful TextPad F WSS01_T DAT SE hs File Edit Search view Tools Macros Configure Window Help Ow Sargi Belo 21 OY 4 ETSA ew 5 dx Pooll6_boundary txt WSSO1_T DAT f me E m a E oa G ma E oa G a G a A a E a G o A a a o O0000CCCCCCCoCCoOo E Pool16_boundary txt WSSO1_T DAT File WSS01_T DAT 585291 bytes 83995 lines PC ANSI TE Ss ETE ATEN 76 Appendix C Saving AdcpXP Data to Excel or CSV In most of interfaces the lookup table displays processed data which you can save into an Excel file or CSV format using the Save Data SACU EES button Another way of saving data is to use the Chart Editor details of which can be found in Appendix D Before saving lookup tables you must first create an Excel file or set a path for the CSV file to which you can output the data The following exercise demonstrates how to save your processed data Saving as Excel 1 First let s save a table into an Excel spreadsheet An Excel file can be a data repository for storing a series of processed data Go to the Export menu and choose Select Output format Choose the Excel option and click OK EF Select Output Format In the dialog box navigate to the location that you want to create an Excel file name it e g MyOutput xls and click Save Save irr 5 ADCP f et E
11. and 2D Reach Scale Analysis interface Caution do not draw several consecutive lines Rotate In 3D chart you can rotate the chart in any direction Left click and drag in any direction to move the display to a different region Location indicator In 2D Reach Scale Analysis put mouse any place inside chart then the bottom right task bar will show the current geo referenced UTM location 85 Appendix E Georeferencing ADCP data collected without GPS For measurement situations where the river bed is potentially moving the ADCP measurements are taken using GPS for bottom tracking The GPS data can be handled by AdcpXP using various types of representations Latitude Longitude Universal Transverse Mercator This capability allow to use the ADCP data in GIS based software In most of the cases however the ADCP measurements are carried out without taking concurrent GPS data e g RDI StreamPro ADCP hence precluding the geo representation The following interface in AdcpXP is designed to geo reference the ADCP measurements collected without a GPS The basic idea behind this algorithm is that if the initial pomt of the transect is geo referenced the location of the other ADCP measurements can be detrmined using bottom tracking As a result whole ADCP points have geo referenced information in terms of UTM coordinate system For this specific purpose of assigning geo referenced information import an initial GPS point by clicking
12. fixed measurement locations The display shows a sample mean streamwise velocity profile obtained by time averaging ADCP data collected at a fixed point as well as the regression lines using the 1 6 power and logarithmic laws applied to the mean velocity profile Simultaneously with the computation of the mean velocity the standard deviation and normalized mean square error area also calculated 1 Open a Summary amp ASCII file generated from fixed point measurements 2 Choose Mean Velocity Profile from the Stationary menu or Alt s m or click the icon in the tool bar AdcpXP File General Velocity Transect Bieta Reach Export Import Help x 14 xy dB ko Wty Mean Velocity Profile EE autocorrelation amp Spectral Analysis ant Turbulence Analysis Inbeam 3 Optional Choose the regression type 1f any that you would like your data to be plotted against Select Velocity Model 4 Choose Mean Velocity in the Data Sheet Content box to see the processed data Data Sheet Content e Mean Velocity Other Variables 36 o i gia Evaluate Mean Velocity lt Click Evaluate Mean Velocity Luda Eval aoe lid nin AEE then the time averaged mean velocity profile is displayed in left hand chart as shown below Mean Velocity Profile Streamwise Velocity ft s 4 Optional Choose Other variables in the Data Sheet Content box Data Sheet Content
13. on Import Insert Init GPS AdcpxP File General Wie Trarsect ae Reach Export dns wt ES Enter Reference point Applicable for the ADCF measurements without GPS referencing This point will be used as an initial point of the bottom tracking Latitude 41 4418220 Longitude 90 9853707 86
14. operating AdcpXP is to load the required ADCP data AdcpXP should load two types of ADCP ASCII files an ASCII data file and a Summary report Both files must be created by RDI WinRiver in advance Once these files are imported you may begin working with your data 1 In WinRiver click on File gt Output ASCII Data File and File gt Output Summary Report to create the ASCII data file t 000 and summary report sum respectively 2 Launch AdcpXP open the summary report Once you have opened the summary report load the ASCII file AdcpXP General Velocity Transect Stationary Reach Export gigjload WinRiver Summary file Ctrl S Meg Ma ls Pia Load Winkiver Summary file Ctri S p gly all 5 gt Load WinRiver ASCID file Crh Pa Load Winkiver ASCID File Ctri A Load BBList Inbeam data Cr Load BBList Inbeam data Ctrl El Ext Ctrex IFE Ext Ctrl X Bathymetry and Streamwise Velocity Profiles Distance ft 44 55 66 z A A aes EFi Hydroscience amp Engineering LLU LALLY Wil HE Ww i Summary Report Time 107273 1 4 21 HEEL ATL VLA O N Measurement Type Transect Discharge 1685 3 Aer LULA LILLO m AUT With a BA gt A E D E ia T ao 44 viivii No of Ensembles 211 No of Bins 29 Bost Direction from N 186 MainFlow Direction from N Channel Width 3D Observation Table Remove missing data No of Missing Ping 32768 32768 Mean Velocity 0 93 63 57 0 y
15. the bank Spatial interpolation without considering where bank is located leads to distortion of the interpolated surface In this case spatial interpolation techniques regard the first and last bathymetric points of the ADCP transect as the lowest values Therefore this tool allows the user to add their own digitized banks see Appendix A before interpolating to get a more realistic visualization of the channel If you already have the reach boundary data digitized add it now Open Bank Line FApooll amp _ Boundary txt My Recent Reach 3D bed surface Dacuinents El Reach 3D bed surfacel wst01_navi ES wst01_navi_1 Desktop E wsto2_3DCS E wst02_WinADCPout ES wst02_WinADCPout 5 wst02_WinADCPout2 My Documents de My Computer M in etwork File name poon 6_boundary y aces Files of type river boundary file txt hd Cancel 7 Click Run and the process will finish within 1 2 minutes depending on the number of transects and grid size The following figure displays the spatially interpolated river channel geometry using the given transects with four beam bathymetry and a digitized bank line 5 Editing Reach3DChart Chart Series Data Tools Export Print Themes M Reach 3D bed surface af Picture Native Data x Y 867 700 05 0 4 589 545 03 Series mae bea Reach 3D bed surface X _ Point Index 667 700 05 D 4 589 549 82 7 Point Labels 667 700 05 0 4 589 5
16. transect Choose a parameter C Bathymety C Bed shear stress C Depth averaged velocity C Bed load velocity C Longitudinal dispersion coeff 48 Four beam bathymetric location River Bank Line 7 You can save the 4 beam georeferenced locations UTM X and Y and bathymetry for the transects into an Excel spreadsheet or in CSV format 66860729 GESGOF 42 BBSBOS 33 GEBEDE 46 BEBED 4 4569751 39 450974342 4509750 35 4569750 44 45039751 46 Bath metro ft 8 The Reach2D interface visualizes the spatially depth averaged velocity field Choose the parameter Depth averaged velocity then click Run The following displays the 2D velocity field for the transects You can save the processed results as well 49 50 Choose a parameter E p co i E Y la ed veloc EUA bad dd ari 4 beame bathymetry ath averag Dept Distance E 5 5 3 L 9 To match the transects with their respective file names click Chart Option and choose ReachCSMarkPSeries then check Visible in Marks gt Style then the follows below name tags will appear as 50 Editing Reach DChart Chart Seres Data Taak Esport Print Themes ReachCSMarkP Series pa Point ReachCSMarkPSe Format General Marks Data Source Style rows Symbol Format Text Gradient Shadow le Misible All Series Visible pa rg a Style Label
17. vector Use spatial averaging for velocity vector AA l y y Show with spatially mer eee observed gt interpolated bathymetric Bank line bathymetric geometry geometry The Reach3D interface is designed to handle transect and fixed point files separately so different options should be selected depending on which file type you are working with 4 2 1 River Channel Morphology The following exercise demonstrates how to three dimensionally visualize the river channel morphology using several ADCP transects Historically this has been difficult at the reach scale but here it can be solved using spatial interpolation techniques Among various interpolation techniques the Nearest Neighbor method was used to spatially interpolate the ADCP bathymetric measurements due to the ease in which it could be programmed Other techniques 1 e Inverse Distance Weighting and Kriging are being prepared for the next version 1 Choose Individual beams instead of only 4 beam averaged as bathymetry type even though it takes more time to process spatial interpolation 55 Bathymetry Type 4 heam averaged individual beams Spatial interpolation relies heavily on the distribution of the data used In general the more datasets means more reliable results For this purpose we ll use 4 individual beam bathymetric data wit
18. 0070427 Test UA Name ReachBoundaryPoint txt Save as type Cancel a Now you have created a reach boundary ASCII file e TexiPad F Research Pool16_boundary txt pel File Edit Search wiew Tools Macros Configure Window Help Deb garm B2 2U OF AA SER e W Pooll6_boundary txt u 3 H A Pl al H 663939 665935 665944 665952 665965 665986 666021 666033 666043 666069 666083 u ti 4 3484 5677 6009 1285 6783 7557 3828 4271 9658 5598 1095 gt mi taz 4588992 3 E we POO me A Nm DOMO dq ARO Mm A A O nn A 4588863 4588867 4588881 4588903 4588912 4588926 4588941 4588950 4588956 4588982 694 ORDE ut 0 0 0 LE _Q 0 0 0 0 0 wa s E A a H oO aog Oaa OG e kJ OQO GODO SQO OC 20000000000 5 A 666110 209 4589003 233 0 002 0_ 666132 7919 4589010 76 0 0022 0_0 0 666156 8804 4589021 299 0 0024 0_0 0 666182 4744 4589028 827 0 0027 0_0 0 666200 5407 4589030 332 0 0028 0 0 0 s e s 5 5 5 s 0000000000000000hH OOOO D OGO BOAO Pooll6_boundary txt Check to see if the newly created file is working in AdcpXP Launch AdcpXP gt 2D Reach Scale Analysis gt Open River Reach Boundary 73 Appendix B Creation of In beam Velocity ASCII file with BBList AdcpXP can handle BBList output files Thi
19. 4 St See a a NA ep a Tush ke FPF So che A __ 2g Ny m y 3 Y te A ely vie ani i He 1 Y a ATA tae E le Y A tutorial for using AdcpXP Dongsu Kim Marian Muste Larry Weber Ryan Asman Copyright O 200 IIHR Hydroscience amp Engineering University of lowa All rights Reserve Table of Contents l INTRODUCTION nds ES 2 2 TRANSECTANALCY Ss EE O ay re eee 4 21 ADCP Data UR comino e E RTN E 4 ZN ELO cy VISUAL Medi E E 7 2 2 1 Spatial Averaging of Velocity COMpoONenN S cccononooocnnccnnonoonnnnnononananoss 7 222 Vertical Velocity Pro lle uste 13 Zo Horizontal Velocity PEO MICS e a E EE R 16 2 2 4 3 D Visualization of the Velocity Field ooooooocconnnncncocccccnnnonoss 20 22 DECOMU ALY FLOWS a 22 2 3 Velocity Based Flow Quantitl8S oooocccccnnonoonnnnccnononnnnoncncnnnnnononnnnnnnannnnonoos 25 ES DIS CM are GC ANC U AAA e A 25 2 3 2 Longitudinal Dispersion Coefficient coononnocccncnnnnnoooncncnnnnnonannnnnnnnanoss 28 Zo OCC Shear A A 31 DA Ded Odd V ClO Cl ra a r T E AE 34 3 FIXED POINT ANALYSIS uti 37 ANA A R 37 3 2 Velocity based Flow Quantities 525020 stesaics eeenaseieenieecesseaneiveaneaarsneveaaes 4 4 REACH SCALE ANALYSIS iii 45 4 1 2D Reach Sale Analysis ii ii id ada 45 CPM alin MNS CLS tts act E T Patt EE Okie sas ah ade D A E 46 A IX CC2 Pont Measure A 52 AD oR Gace EA tanec aoa 55 AZ River Channel Morpholos youness i
20. 5 3 667294 83 3332665085 3 667294 83 3332665085 3 667294 83 3332665085 3 667294 83 3332665085 3 667294 83 3332665085 6 3 667294 83 3332665085 63 y D 97 54 8 54 7 5 6 5 5 c elocity tt s3 wn mu th a i 350 Distance ft ASCII File gt F Research ADCP 1_17_06_A01 t 000 Transect 17 3 The depth averaged streamwise velocity is obtained by clicking Depth Averaging Depth averaging takes into account the unmeasured upper and lower regions of flow by extrapolating velocity data directly measured by the ADCP then applying the 1 6 power law Subsequently you will get following chart Depth Averaged Streamwnse Velocity 4 The depth and spatial averaged velocity profile in the spanwise direction is obtained by checking the box next to Spatial Averaging and setting your spatial averaging distance Spatial amp Depth Aweraging Distance 20 ft i Spatial Averaging After setting spatial depth averaging options click the Spatial Depth Averaging F Spatial Depth Averaging button Then you will get a plot similar to below Streamwise Velocity 20 ft spatial depth averaged ty m F PA 2 2 4 Three dimensional Visualization of the Velocity Field This interface provides 3D visualization of the measured bathymetry as well as the velocity field for a transect The visualization uses previously calculated spatial
21. 5 41 658555 37 668555 26 6585553 668555 18 66655501 668554 97 668554 69 668554 57 58554 4 668554 15 658557 95 668553 File name UTM_NIm 4559751 4 4589751 76 4599752 09 45399752 26 4509752 ba 4599753 17 458975314 4589753 66 4569753 564 4599 53 08 4589754 12 4559754 4 4509755 4509755 42 4509755 4599756 ALAN ee alt Sele E Bathymetry ft DepthAve y it s 31 0 29 Spreadsheet You can keep saving the processed data into other spreadsheets in the same Excel file Saving as CSV Saving as a CSV file greatly reduces the amount of time it takes Adcp XP to save 1 First let s save the table into a CSV file A designated folder can be a data repository that stores a series of processed data in the form of a csv file format Go to the Export menu and choose Select Output format Choose CSV and click OK 79 e ie Be r ua Select Output format UTM Conversion Gelert Renares lt cina Tune Xare antian EES In the dialog box navigate to a folder where you can save csv files EF Select location to store PE Flease select a tolder where pou store 2 Click Save Data Smena Then you are asked to name the csv file Let s name it again as Depth AveV It will be saved as Depth AveV csv Do not use an identical name in your folder EF CSV File Name Enter a ES file name where vou want to store data Depth A
22. 54 61 Format Y Header 667 700 05 14 579 4 589 559 4 C Text 7 Point Colors 667 700 05 14 579 4 589 564 19 C XML 667 700 05 14 579 4 589 568 98 HTML Table Delimiter 667 700 05 14 579 4 589 573 77 Tab j 667 700 05 15 919 4 589 578 56 867 700 05 15 919 4 509 509 35 Test Quotes 4 589 588 14 Ceo A or o mn PRA POS e T Al 9 The plot can be rotated by left clicking with the mouse on the chart or other formatting changes can be made under Chart Option A screenshot of the Chart Option display and an example output are shown below The plot can be saved as a bitmap or metafile 58 Editing Reach3DChart EE Editing Reach3DChart Chart Series Data Tools Export Print Themes Chart Seres Data Tools Export Print Themes Series General Axis Titles Legend Panel Paging Walls 30 Series ee Titles Legend Panel Paging wals 30 l Options views o an gt o x AA AA AA lr e O ppn Pi es O INN Reach 3D Observed Bathymetry a y Zoom J 12 je b Kea i ses Reach 3D Velocity Vectors lt A Mom Bank Line 1 lt A Tm Bank Line 2 10 The river channel shape illustrated above 1s vertically distorted If you want see the realistic scale of the channel shape then click Chart Option go to Chart 3D and check Orthogonal as follows Then you will get a more realistic shape even though unit of z axis is still English unit FT
23. 59 Editing Reach DC har Chart Seres Data Toots Export Print Themes Series General Axis Titles Legend Panel Paging Wale 3D Optons viene M 3 Dimensions Zoom A Df 4 W Orthogonal Angle 70 EF W Clip Points li 4 i _ bet A ee 1 l a eere E ae ee es SER fie BT ITY AF Si Aoi an E A iis LA FEN UA a al ENS Ga at AR DARSE a i a a A e 4 2 2 3 D Visualization of Velocity Field Transects The following exercise demonstrates how to perform three dimensionally visualize spatially averaged velocity vectors using multiple transects 3D morphologic description can be also added to help visualization Follow same steps except step 2 illustrated in the previous exercise and set the averaging distance step 7 1 Same as in the previous exercise 2 Choose Bathymetry amp Flow Field option 60 I Visualization 3 6 Follow the steps from the previous exercise if you choose Bathymetry Only instead of Interpolated Surface in Bathymetry Visualization option interface shows velocity vector without spatially interpolated surface This choice can save computational time 7 Set the averaging distance step in the sample dataset set 50 ft In case of the transect files velocity vectors are represented after spatial averaging for meaningful visualization because there might be so many raw velocity vectors which is n
24. C Mean Velocity iher Vaated Other averaged variables e g XY location bathymetry bed shear stress friction velocity are displayed instead of mean velocity The evaluation of the bed shear stress was based on the logarithmically regressed velocity profile 37 ES View 3D Dynamics 7 Click View 3D Dynamics and the animation for three dimensional velocity variation is played 3 D velocity vectors of the fixed point measurment You can stop the animation by clicking 8 After unselecting the options in the Select Velocity Model box click You will see a time averaged mean velocity 38 profile without the curve fitted line Select one of the bins from the drop down box labeled Select Bin Number If you select one of bin numbers the streamwise velocity time series data will be displayed in the chart on the upper right at a given depth Use the roller ball on your mouse to scroll through the bins AdcpXP aan aia leia Mean Velocity Profile A KA A a e Sta 668 4589996 74 231 119 119 0 Ee 4589996 65 231 1 05 1 12 0 08 2 66817906 458999672 231 0 05 1 05 11 on Sheet Data Option 3 66817316 458999667 231 0 07 1 09 11 011 gt 4 66817904 458999661 0 09 11 11 01 Ce Pas 5 ese17a 458999668 an 12 112 01 amp 66817308 458399665 013 1 01 11 0 12 Bnd 7 16681789 458999672 015 1 13 111 012 66817308 458999669 0 17 1 02 11 012 Mean Velocity Profile Streamwise V
25. CP Diagnostic r Data Recording le Write GPS amp Depth Sounder Data into BT Water Layer Fields For OOS Tranzect Compatibility Note Expert parameters will be restored to defaults after exiting the program The first column V _Beam1 actually indicates port starboard beam 1 2 directional velocity and the second column V_Beam2 indicates forward after beam 3 4 directional velocity V_Beam3 and V Beam4 is for vertical and error velocity components respectively If WinRiver collected data using As Received From ADCP Diagnostic then each column in the table indicates the corresponding inbeam velocity AdcpXP lets the user choose this Velocity Display Format assuming that he she knows which option was used during data collection The binary data wss r 000 used in this tutorial used the default option Instrument ship Coordinate so choose this option as described below Velocity Display Format in WinRiver Binary ble f Instrument ship Coordinate M Inbean Coordinate Choose the component of the Reynolds stress that needs to be estimated 1 e in the vertical streamwise or spanwise plan In the example the Streamwise Beam 3 4 option for the estimation of the Reynolds stress pu w was selected Reynolds Stress Space f Sheamwise Beam 3 4 spanwise Beam 1 2 42 Choose a direction for Turbulent Intensity Turbulence Intensity Direction Streamwise Inten
26. Stacy M T monismith S G Gurau J R 1999 Measurements of Reynolds Stress Profiles in Unstratified tidal flow Journal of Geophysical Research 104 C5 10933 10949 White F M 2003 Fluid Mechanics fifth edition McGraw Hill New York NY 65 Appendix A Creating River Reach Boundary A useful feature of AdcpXP is the use of the river reach boundary This task is highly recommended in conjunction with reach scale analysis The benefits of defining the river reach boundary include e A better understanding of the geo referenced ADCP hydrodynamic features in the context of the surrounding landscape e Possibility to estimate distances from the first and last ADCP measured points to the river edges e Enhancing the accuracy of the spatial interpolation with zero value for bathymetry or velocity along the river reach boundary The river reach boundary can be built using the shape file shp and ArcGIS 9 x The shape file is digitized by using aerial photographs in ArcGIS and converting them into a text file using ET GeoWizards a os party tool in ArcGIS The following exercise demonstrates how to create a river reach boundary ASCII file in ArcGIS 1 Launch ArcMap 9 x and add aerial photographs that cover your river reach Confirm that the aerial photographs use a projected coordinate system 1 e NAD 1983 UTM Zone N If not project them using the Projection tool in the ArcMap toolbox 19 JLP ASOM AQ BH hE
27. This interface compares discharge estimates from RDI and AdcpXP using triple integrals for flow flux RDI 1996 AdcpXP incorporates the same algorithms as those in Teledyne RDPs software including those for filling in missing bins or ensembles in the measured region The purposes of this interface are 1 to show that handling of the data in AdcpXP is identical with that of WinRiver and 2 to check the potential differences between WinRiver and AdcpXP when different algorithms are used within Adcp XP 1 Choose Discharge Calculation in the menu or Alt t d or click the icon in the tool bar Make sure that now you are using ADCP transect data cf Secondary flow LA Velocity Spatial Averaging y Discharge Caiculation Select Calculation Ri gt py anning s ri C RDI ma Dispersion Coefficient Bed Load Velocity 3 Ry Ea Tie Mis BI Bed Shear Stress 8 vorticity amp Circulation c 2 Go to the Select Calculation Routine box and choose RDI as described below Select Calculation Foutine HA f RDI 24 3 Click the Calculate Discharge button will then see the distributed unit discharge red dots corresponding to each ensemble across the transect from the WinRiver ASCII file Go to the Select Calculation Routine box again and choose IIHR Select Calculation Routine C ADI Click Calculate Discharge again al The distribution of unit discharge cros
28. _DispCoeft 1245 474 56 4 Next the right hand side of the interface handles the longitudinal dispersion coefficient for regions where the vertical velocity gradient is dominating the shear dispersion between sections 1 and 3 Still you will use the water surface slope for evaluation of the friction velocity This interface uses the spatially 29 averaged streamwise vertical velocity profile for this process Set the averaging distance by inputting a whole number Spanwise Averaging Step fi 0 ft 5 Click Evaluate 2 D LDC then you will have a distribution of the dispersion coefficient along the transect The blue points indicate longitudinal dispersion coefficients compared with the distribution of the bathymetry yellow line All of the processed data are displayed in the table as well Longitudinal dispersion coeff distribution 10spatially averaged mm m mm a a a mmm mm mms a mms mm mms mmm mrs mes a in cums mms mms men cme seme A ee mee cm mm Semmes a a me ms oe pa E E E EEE a a a a a a a a a EEE EE EE EE SEE ee ee r E E DD ee Do A DDD A o o ADA A A o ee M e A A A e oa ae Distance ft 2 3 3 Bed Shear Stress The algorithm for estimating the shear stress 7 used in AdcpXP is based on the following equation White 2003 T pu 30 where p water density and u is the shear velocity Values of u are determined using the log law applied to the mean str
29. a ave Data Select Profile Type D Bed Shear Stress C Vmag 5 Vorticity amp Circulation 2 Set the averaging distance for the sample dataset set to 50 ft Averaging step 50 kt 3 Choose a velocity component to average in the Select Velocity Component box Let s choose Streamwise in this case Select Velocity Component C Viotal C Spanwise C East f Steamwise C Neath C Vertical 4 Optional If you selected Streamwise component there are two choices for regression estimation for the averaged data i e the 1 6 power and logarithmic laws Regression lines cannot be applied for any of the other velocity components shown the check box above Choose one ofthese choices Velocity model Curve fit E Power law 5 Optional If you selected Streamwise and the Power law curve fit option then you are allowed to choose an option in the Extrapolated velocity check box This option enables you to visualize extrapolated velocity for the upper and lower unmeasured regions based on the 1 6 power law You will see those data in later steps Extrapolated velocity on the water surface is also evaluated if you check the Water Surface option Extrapolated velocity 6 Click Run the spatial averaging for velocity is performed You will see results in left hand chart but nothing in the chart on the right The chart on the left illustrates the path of the vessel along the tr
30. a n 56 4 2 2 3D Visualization of Velocity Field Transects oooooocnnnnncocccccnnnonns 61 4 2 3 3D Visualization of Velocity Field Fixed Point eee 63 5 REFERENCES ogee E A ee 65 Appendix A Creating River Reach Boundary oooooccccnnoooccncnnnonooonnnnnnnnnnonnnnncnnnnnnonnnnnncnnanos 66 Appendix B Creation of Inbeam Velocity ASCII file with BBList occcoooncccncnnn 74 Appendix C Saving AdcpXP Data to Excel or CSV oo cccccccsscecceeessssceeceeeeesseeeeeeeeeeees 77 Appendix D Editing and Saving Charts ccccccccsssssesssessossssscsecesessnsstseeeeessensannneceesenes 81 Appendix E Georeferencing ADCP collected data without a GPS oooococcccccncncoacnncnnnonnss 86 1 Introduction The main raw measurements acquired by Acoustic Doppler Current Profilers ADCP are velocities along verticals and the flow depth In the last few decades the use of ADCPs have been increasingly used in riverine environments with the primary goal to estimate stream discharges For this purpose ADCPs are attached to boats that transverse the river along pre established paths called transects Consequently conventional ADCP post processing software provides graphical user interfaces for visualization of selected flow features estimation of stream discharges and exporting data into various formats More recently attempts have been made to use the ADCP measurements for documenting additional river hydrodynamic charac
31. a polygon dataset to a point dataset a i Polygon To Polyline Sape eta Skape Three options available e Polygon M to Point Mertices Label points Center Points C Polline To Point Poluline M to Point Polpline To Polygon Point Mm to Point Point To Polpline Paint ta Polygon Z M Point To Polygon Point to Polyline M C Multipoint To Point Point to Point M Select the polygon layer and specify the output shape file ReachBoundary Point shp click Next 70 Polyeon To Point Wizard EMT Geo Wizards Polygon To Point LT Converts a polygon dataset to a point dataset Select polygon layer Three options available r vertices Label points Center ReachBoundary Points 2 Specify output Feature class or shapefile For the conversion option choose Vertices and click Finish You now have a new point based shape file listed in the top of ArcMap table of contents 8 Select ReachBoundaryPoint shp in ArcMap table of contents right click on it and click Open Attribute table as shown below ES copy O Osbathy_wBFT gt Remove O bft_depthavev t EE mi i O bft_bathy Joins and Relates A Zoom To Layer Display Source Selection vara Scale Range p Use Symbol Levels Al Arc Toolbox Y 30 Analyst Tools Selection Analysis Tools Cartography Tools Label Features Conversion Tools Data Management To
32. ansect represented by dots and the selected ensembles for spatial averaging The interface displays the depth averaged after spatial averaging velocities This data can be exported using the Chart Option Ps Optional If you click Get XS Line a line brown perpendicular to the main flow direction is displayed The line crosses the midpoint of another line orange connecting the first and last points of the actual transect Each original point on the actual transect is then projected onto the straightened line brown see next figure Transects can be irregular e g it s path is not close to a straight line when ideally they should be perpendicular to the main flow direction In step 6 the defined averaging distance step is set along an irregular vessel trajectory hence this irregularity tends to distort the averaging results Spatial averaging based on the projected points with regular steps can guarantee more reasonably averaged values However if you would like to use spatial interpolation of the velocity field in terms of the two dimensional grid usually used in CFD modeling spatial averaging in step 6 can still be used Currently AdcpXP projects transect points and spatial amp depth averaged velocity components earth coordinated in the left hand chart but the spatially averaged vertical velocity in the right hand chart is not yet implemented Vessel moving path Projected poi Original ADCP po
33. d Velocity from the Transect menu or Alt t e or click the icon in the tool bar 32 File General Velocity ME Ea Stationary Reach Export Import Help leli 3 Secondary Flow li ail LA velocity Spatial Averaging p Discharge Calculation Load WinRiver ASC Manning sn C Temp oa Dispersion Coefficient bed Load Velocity B Bed Shear Stress Spatial Averaging of E IB vorticity amp Circulation 2 You need to generate a WinRiver ASCII file based on GPS tracking Open WinRiver and choose GPS GGA If you have GPS data that uses VIG mode choose GPS VTG to give a more enhanced result Then save it as an ASCII file WinRiver Playback Mode Default wrw wst02_w 000 gt gt wst02_w 001 wst0 Fie Edit view EEIE Playback Window Help File Subsection F6 Y Composite A PY BE W Stick Ship Track Ens Reference ay Bottom Track Lost Ens Bad Bins 28 Jul 04 10 50 42 35 Pitch Rall Headina Terna Ctrl GPS VTG None Boat Speed 0 Configuration Settings F3 3 Load the WinRiver ASCII file which is GPS referenced Go to Load WinRiver ASCII file referenced with GSA then click the open icon Load WinRiver ASCII file referenced with GSA CATemp gt Choose an ASCII file that you generated 33 Look in wet f e Ea Map le t03_ E wst10_w ee le wstO1_n a y 8 wst11_n aS jawi 8 wst01_p ocuments story E wst01_t 1 wsto1_t GPS e Deskto
34. dispersion that can be driven by either vertical or transverse velocity gradients L n o 0 o For regions where the vertical velocity gradient dominates the shear dispersion between sections 1 and 3 the corresponding longitudinal dispersion coefficient is the one established using the one dimensional dispersion equation I ph rf l 2 D sn f al u te ja where p longitudinal dispersion coefficient local depth of flow u deviation of vertical velocity from the depth averaged velocity z vertical coordinate measured from Da the bottom to the free surface and p cross sectional vertical mixing coefficient Fischer et al 1979 suggest an approximate formula for vertical mixing coefficient p based on depth A and shear velocity y as follows D 0 067u h Note that this process is driven not by the turbulent intensity but by how much the turbulent averaged velocity deviates throughout the vertical from its depth averaged values For regions where the transverse velocity gradient drives the shear process downstream of section 3 the one dimensional dispersion model is applied by entirely neglecting the vertical velocity profile and applying Taylor s analysis to the transverse velocity profile As a result the dispersion coefficient can be estimated using Pp A a de ores Ds uh A BY dy where A cross sectional area of the river W width of river u depth averaged velocity
35. e and 3D tables store information regarding the header and body of the ASCII file respectively You can select which table you would like to view by scrolling through the adjacent drop down menu summary Table 30 Table 2D Table InBeam Table A A 3D Observation lable 4 AdcpXP provides general stream characteristics such as discharge channel width mean velocity Froude number aspect ratio and hydraulic radius using only the ADCP outputs and calculated parameters general information screen that follows This information is shown in the In general ADCPs provide profiles of velocity vectors as north east velocity components However the river coordinate system 1 e streamwise and spanwise directions is more useful for dealing with river related flow characteristics AdcpXP determine the streamwise direction based on the following equation The main flow direction is determined by where M of ensembles obtained from single ping or miultiple ping averaging N of bins V velocity magnitude and 0 flow direction From this point on velocity components and velocity deived quantities are projected into the river coordinate system if not specified otherwise General Information Time Measurement Type Discharge No of Ansembles No of Bins Boat Direction from N MainFlow Direction from N Channel Width No of Missing Ping Mean Velocity Mean Depth Hydraulic Radius Bin Si
36. elocity ts 1 Strepmwce Velocty 18 5 E 3 1 File gt F Research ADCP wss01_t 000 A red dot in the left hand chart indicates the location of the selected bin in the mean velocity profile and time series data for each bin can be saved by clicking Save Data Temporal moving averages of the instantaneous velocities their standard deviation and normalized mean square error NMSE are evaluated and displayed in the lower right 39 hand chart From this example it can be observed that after about 2 minutes of sampling the flow with the ADCP the calculated mean is stabilized This graph helps the operator to establish how long should be the sampling time for quantification of the mean and turbulence characteristics at the measurement location 3 2 Velocity based Flow Quantities The following interface allows for the estimation of important turbulence characteristics such as turbulent intensity Reynolds stress and turbulent kinetic energy for the flow subjected to measurement First make sure that you opened a summary amp ASCII file collected at a fixed point location In addition you need to open the Inbeam ASCII file output from the BBList see Appendix B to prepare the Inbeam ASCII file using the BBList This analysis assumes that Beams 3 and 4 of the ADCP were set along the main streamwise flow direction during the measurements 1 Go to File and click Load BBList inbeam data menu L
37. emwise velocity profile lt mE u K Zo where x von Karman s constant 0 41 w streamwise velocity z bathymetry and z height from the bottom From the above equations the bed shear stress 7 can be evaluated Kostaschuk 2004 The following exercise demonstrates how to evaluate the bed shear stress and friction velocity based on spatially averaged vertical velocity profiles 1 Choose Bed Shear Stress from the Transect menu or Alt t b or click the icon in the tool bar Secondary flow LA velocity Spatial Averaging Y Discharge Calculation Average Option m Manning s n Bd Dispersion Coefficient ae Bed Load Velocity BI Bed Shear Stress Select Value Type 8 vorticity amp Circulation C No Averaging 2 Choose Spanwise Spatial Averaging for the Average Option and Bed Shear Stress as the variable type then set your averaging distance Awerage Option No Averaging Spanwsie Spatial Averaging Select Variable Type Bed Shear Stress Friction Velocity Spanwise Averaging Step 50 it 31 3 Click Run then you will have a distribution of bed shear stress and a table which provides the coefficient of determination R for each averaged segment indicates how well the velocity profiles follow the shape of the theoretical log law profile Bed Shear Stress distribution 20spatially averaged 2 3 4 Bed Load Velocity 1 Choose Bed Loa
38. ernational Association of Hydraulic Engineering and Research Congress Seoul Korea Kostaschuk R Villard P Best J 2004 Measuring Velocity and Shear Stress over Dunes with Acoustic Doppler Profiler Journal of Hydraulic Engineering 130 9 932 936 Muste M Yu K and Spasojevic M 2004 a Practical Aspects of ADCP Data Use for Quantification of Mean River Flow Characteristics Part I Moving Vessel Measurements Flow Measurement and Instrumentation 15 1 pp 1 16 Muste M Yu K Pratt T and Abraham D 2004 b Practical Aspects of ADCP Data Use for Quantification of Mean River Flow Characteristics Part 2 Fixed Vessel Measurements Flow Measurement and Instrumentation 15 1 17 28 RDI 1996 Acoustic Doppler Current Profilers Principle of operation A Practical Primer RD Instruments San Diego CA RDI 2003 WinRiver User s Guide RD Instruments San Diego CA Rennie C D 2002 Measurement of Bed Load Velocity using an Acoustic Doppler Current Profiler Journal of Hydraulic Research 128 5 473 483 Shen C Lemmin U 1999 Application of an Acoustic Particle Flux Profiler in Particle laden Open Channel Flow Journal of Hydraulic Research 37 3 407 419 Shields F D Knight S S Testa S Cooper C M 2003 Use of Acoustic Doppler Current Profilers to describe Velocity Derivations at the Reach Scale Journal of American Water Resources Association 36 6 1397 1408
39. exported into an Excel spreadsheet The following exercise demonstrates how to handle horizontal or transverse velocity profiles 1 You can select this interface by clicking the icon in the tool bar or via the menu as shown next 16 cease Transect Stationary Reach Export Import Help od Velocity Contour Plot ai Spatial amp Depth Ave Seler a 3D Velocity Vector for transect Select Bin Nem i Distance Ro Select Bin Number Selec Bin N urii This interface visualizes the streamwise velocity components collected at a specific depth over the transect identical depths correspond to the same bin By selecting a specific bin number the following interface will appear Use the roller ball on your mouse to scroll through the bins AdcpXP Fie General Velocity Transect Stationary Reach Export Import Help SM el lejajelrz a a E wm S Horizontal Profile axis option M Spanwise Averaging Step j Select Bin Number Bing y Show missing data C ping Distance 20 ft EY Save Data Pa Depth Averaging de distance Spanwise Spatial Averaging ae Chart Option Ping Distance ft _ Stivitt s UTM Elm UTM Nim D J men A 667294 83 3332665085 53 667294 83 3332665085 53 667294 83 3332665085 3 5 L _ 667294 83 3332665095 5 3 7 Do hens AA 667294 83 3332665085 3 ay o i i a a i 667294 83 3332665095 3 667294 83 3332665085 3 667294 93 3332665095
40. fluctuation from the cross sectional mean velocity y lateral coordinate p transverse mixing coefficient The transverse mixing coefficient D for natural streams can be calculated using the formula D 0 6u h It is complicated to calculate longitudinal dispersion coefficients based on ADCP data but the following interface facilitates data processing and you will get results easily The details regarding this analysis are described Kim et al 2007 1 Choose Dispersion Coefficient under Transect or Alt t d or click the icon in the tool bar 28 ES secondary flow LA Velocity Spatial Averaging F Discharge Calculation 1 D Lot Manning s n Dispersion Coefficient Theoretical El Bed Load Velocity PI Bed Shear Stress bidet ec PA 0 a 2 First let s calculate the longitudinal dispersion coefficient for regions where the transverse velocity gradient drives the shear process downstream of section 3 On the left hand side input the surface water slope necessary for calculating friction velocity u and use the default value of gravity In the example the surface slope was 0 000302614 Cross Section Charactenstics Surface Slope 0000202614 Girawty 3223 ft s Evaluate 1 D LOC 3 Click Evaluate 1 D LDC then you will have the following results in the chart and adjacent table We now have a dispersion coefficient for the transect UTM_E m 1D
41. h x y location for an ensemble This tool let users utilize the locations of the four beam bathymetric data instead of using the bathymetry of a single averaged ensemble Try using 4 beam averaged bathymetry type In most cases it works successfully but sometimes a lack of data generates cells that remain uninterpolated Choose Bathymetry Only to investigate the morphology around the selected transects Visualization OC Bathymety amp Flow Field You can also choose the 3D locations for individual beams based on bottom tracking or GPS tracking If there is no bed movement it is possible to have identical results from both references Here let s select bottom tracking Reference f Bottom Track GPS Choose Interpolated Surface to perform the spatial interpolation of the selected geometry You can also see the original 3D bathymetric data 1f you choose other option Bathymety Visualization Set grid dimensions with respect to the determined boundary The rectangular boundary covering the selected ADCP measurements in the reach is determined as soon as the data are read in this tool A grid number less than 150 1s recommended due to computational limitations 56 M Grd Number Grid East 50 Grdr Horth 50 6 Optional Another important feature in this tool considers the bank line boundary condition during interpolation since the ADCP does not capture bathymetry near
42. ing The use of trade product or firm names in this manual is for descriptive purposes only and does not imply endorsement by the authors of IIHR HYDROSCIENCE amp ENGINEERING 2 Binary file r 000 Summary file t 000 seng ai 111 TO r TT E III Channel Profile Database View Main Flow Direction Cross sectional Area Mean Velocity Froude number Aspect Ratio Hydraulic Radius J elocity Visualizatio Vertical Velcoty profile Horizontal Velcoty profile Velocity Contour Plot for ansemble for bin Secondary flow Visualization Spectral Analysis Reynolds Stress 2 dimensional Velocity tenth Tle aria Velocity Time Series Distribution Vector Visualization Discharge Calculatior Stability Analysis Turbulent Intensity DispersiomCoamici nt 2D Instantaneous Flow Turbulent Kinetic hiii aa Variation Movie Engergy Bed Shear Stress Spatial Matric o Distribution vortex circulation Vorticities Grid Interpolatior oliendo Velocity Mag nee Channel geometry 4 beam bathymetry Riverine quanties D Visualization of distribution Contour Hydrodynamics Output fil Figure Geo refereced format Out Raw Averaged data ADCP Geodatabase Format BMP Format Text XML CSV Excel The architecture of AdcpXP the newly developed ADCP post processing software 2 TRANSECT ANALYSIS 2 1 ADCP Data Summary Report The starting point for
43. int Main flow directio If you carried out the current step click Run again to go back to spatial averaging for the vessel path not projected path In order to visualize the vertical distribution of the spatially averaged profile choose a section of the transect from the Select a section menu the number of 10 sections in a transect is determined by dividing the transect length by the averaging step The selected section and the corresponding spatially averaged vertical velocity profile are displayed in charts as shown below Averaged Streamwise Velocity al Section 17 T e z oe ty a mo e p ii z PORRA k A The red dots on the right are the spatially averaged velocity profile in the area directly measured by the ADCP for the spanwise section highlighted in the left plot The red and blue lines are regression lines based on the 1 6 power and logarithmic laws respectively applied to the averaged data The blue dots in the upper and lower unmeasured regions are extrapolated velocities based on the 1 6 power law with the same bin size as in the measured region The green dot is the estimated water surface streamwise velocity 9 The data is saved using the following sequence Chart Option gt Averaged Vertical Velocity radio option gt Select Extrapolated Velocity series gt Export tab gt Data tab gt Select Extrapolated Velocity gt Save as file 11 10 The software allows for vis
44. low Field ee ed codo Ta gt Nate Spanwise Averaging Step r Tracking Reference z Visualization Grid Number for Spatial Interpolation 3 Open Bank Line hd Deines 50 f e Bottom Tracki GPS Keep previous geometr PP g Y CATemptReachB oundary wst11 000 Bathymetry Visualization Arrange Arrow wet An Bu Original Bathymety Interpolated Surface C 4 Chart Option gt Run o O Meters Now you are ready to choose the ASCII files that you would like to visualize as a 3D reach Currently this interface does not simultaneously support both transect and fixed point measurements so choose the appropriate summary amp ASCII file These are read through the initial interface to get the necessary ADCP configuration information If possible choose ADCP files in the same general area of the river ensure the most accurate visualization and spatial interpolation To choose multiple files hold down the Shift key while clicking the mouse to choose consecutive files or hold the Ctrl key while clicking the mouse to choose non consecutive files 54 The main processes in this interface are illustrated in the following figure Transect ASCII files Averaged bathymetry Transect only Four heam bathymetry LS Fixed point only l gt Required process Both geometry and gt Optional process Only geometry 3D velocity
45. n field Get 3D ArcGIS data format Grid Line Geometry Minimum Maximum H of Lines X Direction lo fi 00 Y Direction p f 00 0 O Meters Open the multiple WinRiver ASCII files to be assembled in the analysis Currently this interface cannot simultaneously support transect and fixed point measurements at the same time so be sure to choose one or the other Make sure that before processing 2D hydrodynamics one representative summary amp ASCII file in the targeted reach is read through the initial interface to get the ADCP configuration information If possible choose ADCP files in the same general area to enhance the capability of visualization and spatial interpolation To choose multiple files hold down the Shift key with and click the mouse to choose consecutive files or hold the Ctrl key while clicking the mouse to choose non consecutive files The Reach2D interface is designed to separately handle transects and fixed point files so you need to choose different options for each file type First let s handle multiple transect files 4 1 1 Transects 1 After choosing multiple transect files choose a hydrodynamic parameter to be displayed Among the 6 variabless Bathymetry Depth averaged velocity and 45 4 beam bathymetry are currently available Let s try first Bathymetry which is simply the depth at the location of the measurements Choose a vanable Bathymetry Bed shear
46. nd the ensemble discharge for these missing pings 1s 0 To account for this missing data the missing pings are essentially assigned the value of Ping 410 by boosting it value The measured ensemble discharge for Ping 410 33 55cfs and so the discharge of the neighboring pings is assumed to be the same This calculation is performed by 33 55x5 33 55 201 31cfs with Ping 410 being the placeholder of discharge for all 6 pings the 5 missing plus its original value The subsequent figure assists in illustrating this point Pina Section QIRDI Section QUIHAI a0 a jai 3361 30 1 laos Jass laos laa 405 flo 34 14 33 7 30 01 29 77 1 35 0 aoe flo a07 1lo os Vo laos o 0 lao oa 201 36 lam fo 0 la12 F 73 01 1413 20 4 20 9 E RDI amp WHR Discharge result RI F AdepXP att O a Ping Number 26 Currently only the 1 6 power law 1s used for filling the missing bins In the future other velocity models will be used for this purpose Velocity Law for Missing Data oO Pp i rr r 2 3 2 Longitudinal Dispersion Coefficient The longitudinal dispersion coefficient 1s a critical quantity for predicting common pollution processes such as the propagation of an accidental spill of a pollutant or computing the downstream concentration of on output from a sewage treatment plant by taking into account the daily cyclic variation AdcpXP has included algorithms for handling shear
47. nto BMP format In the Chart Editor select Export gt Picture gt as Bitmap gt Save as shown below left You can also export data for specific or all series into Text XML HTML Excel format Select Export gt Data gt Series Bathymetry gt Format Text gt Save as shown below right 82 Editing PingMChart Chart Series Data Tools Esport Print Themes Picture Native Data Format Editing PingMChart Chart Series Data Tools Export Print Themes Ficture Native Data Options Size Series az Metafile Include Point Index Iv Point Labels 4 Header M Point Colors Bathymetry Colors Default Format Text ML HTML Table Delimiter Excel Tab i Text Quotes M Monochrome 5 You can choose a theme for the chart Go to the Themes tab in the Chart Editor Eight different themes can be selected as you want The following shows two representative themes Editing Reach2DChart Chart Series Data Tools Export Print Themez Chart Seres Data Tools Esport Print Themes Themes Preview Themes Preview Curent if TeeChart default Microsoft Excel Classic Business Web Windows xP Facts Color palette Color palette Default Default View 3D W Scale W Scale 6 Throughout the Chart Editor you can change the 3D view in various aspects Go to the 3D tab and change percent of zoom to
48. oad the Inbeam ASCII file output wss01_t dat General Velocity Transect Stationary Reach Export Import Help Load WinRiver Summary file Ctrl S Ge Load WinRiver ASCID file Ctrl A Load BBList Inbeam data Exit Ctri X E lt A el Profile and Streamwise Velocity Profiles o RevVstreamWs west gt Reyvw wesO E My Recent 3 Rey ss OZ E Documents A tiheam3_wss01_t lA Tlbeam3_wess02_t TkEbeam3_wss01_t Q TkEbeam3_wss02_t AS TkEbeam4_wss02_t 2 Ustream _wes02_t Ustream_wss0l6_t SA LTmout wssd1_t oO wss01 out wssoz t Q wss03_T A AA My Network File name WS Sot T Places Files of type EBListasciifile tda Cancel 40 The table in the initial interface displays the loaded data as shown next indeam Table 2 Choose Turbulence Analysis inbeam from the Stationary menu or Alt s t or click the icon in the tool bar aH lo it Mean Velocity Profile EE Autocorrelation amp Spectral Analysis R x Turbulence Analysis Inbeam 3 Choose Velocity Display Format in the WinRiver binary file By default WinRiver Acquire mode collects data in the instrument ship coordinate mode as described below see the selected Transformed To Earth Coordinates default option in the Velocity Display box The following figure is from WinRiver 41 User Options Acquire Mode Display General Expert Velocity Display f As Received From AD
49. ogarithmic law Finally the plot to the far right gives the spanwise velocity as a function of depth AdcpXP EJ fx File General Velocity Transect Stationary Reach Export Import Help E ti zy a rz s ala z Fe i Vertical Profile Ping jen Depihit vrem v Power law T Loa law C ping e distance CY Save Data P ee 1 49 l Activate Measure SI Select a Ping 4 Chart Option 11 79 Measure Om Select Regressing Type axis option Current Location of Vertical line 500 Distance ft e oot JOP AA Spanwise Velocity tts Transect 1667796 72 4569971 57 Meters 5 Check Activate Measure and draw a line by Y clicking at the start point of the line and drag to the end point on the chart for boat moving path left down then double click the end point and a distance Measure for that line is represented within the Measure box in metric units Y Refresh to measure the line again if not the previous line will remain in the next measure 15 F Refresh D T TENORIO Draw a line 2 2 3 Horizontal Velocity Profiles This interface plots the streamwise velocity distribution across the stream at a selected depth as well as the depth averaged velocity for the section Using the spatial averaging option we can visualize spatial and depth averaged velocity components The individual horizontal velocity data at the selected depths can be viewed in tabular form and
50. ot suitable for visualizing purpose Spanwise Averaging Step Distance 50 fi 8 Click Run and the process will finish within 1 2 minutes The following displays spatially averaged velocity vectors for the multiple transects and spatially interpolated river channel morphology with four beam bathymetry and digitized bank line 9 You can also rotate 3D view of the chart by holding down Left Mouse button and dragging or after some formatting changes in Chart Option you can manipulate chart An example output is shown below If you hold down Right 6l Mouse button and drag then entire chart will move as you want caution Sometimes Right Mouse button action slows down your operation 11 After editing the chart you can animate the chart Choose option Animate then chart will rotate along vertical axis To stop animation unselect the Animate option Rotation Center le 3D Axes I Active If velocity arrow looks too large or small to identify individual shape then rearrange the length of arrow by changing Arrange Arrow option Then click Run button again Support scale is 0 2 times of default length of arrow Amange Arrow DN F 4 2 3 3 D Visualization of Velocity Field Fixed Point Measurements The following exercise leads you to visualize three dimensional velocity fields using multiple fixed poin
51. owing website http www ian ko com The unregistered version is sufficient for this task After unzipping ETGeoWizardsXX zip run ETGeoWizardsXX exe Select the installation folder on the hard disk where ArcGIS resides or your system hard disk Browse for and select the ETGeoWizardsXX dll using the Add From File button on the Customize dialog box Customize Toolbars Commands Options Show commands containing Categories Commands Geodatabaze History Georeterncing Globe View De ME it Save ini Normal rt y Keyboard Add from fie Close From the ET GeoWizards command category drag the ET GeoWizards X X command to any toolbar or menu 69 2 Untitled ArcMap ArcInfo File Edit View Insert Selection Tools Window Dede B ET ET Commands Click the button indicated above to launch the ET GeoWizards tool ET GeoWizards LT ET Geo Wizards Basic Wizards aT Select a function i Create New Shapetile C Delete Multiple Fields amp Export To Shapetile Redefine Fields O Ungenerate export to test Order Fields f Generate import from text Copy Fields from layer 7 Explode multi part features Move Shapes C Wector Grid Rotate Shapes M Sort Shapes C Secale Shapes Now you will convert the polygon shape file into a new point shape file Choose Convert tab gt Polygon To Point gt Go ET GeoWizards LT 1571 Geo Wizards Polygon To Point LT Converts
52. p E EJ wst01_t new E stoi w es wst02_n ler wst02_p Ey wst02_r a wst02_t My Documents la wst02_w wst03_n My Computer Ed My Network File name wst02_t_G GA x Places Files of type fasci GSA file 000 v If click Open you will see following file path and the data will be loaded into the table Load WinRiver ASCI fle referenced with GSA FAR esearchA DEPA wat02 1 GGA 000 Ping Vb opsE fts Vb opsN ft s GPS_DistE ft GPS_DistN ft GPS_TotDistance f o E 0 4 Click Calculate Bed Load Velocity Now you will have an estimated bedload velocity for individual ensembles along a transect as plotted below You can also see the bed load velocity through the newly updated table BT_DistE ft BT_DistN in 4589752 04 0 0 4569751 94 0 1 46 32 4563 5134 D 2 05 1165 4589 51 89 4751 77 5 00 0 81 A AE z 74 13A 34 Bed load velocity vector representation along a trasect in AdcpXP 35 3 FIXED POINT ANALYSIS 3 1 Velocity Visualization ADCP s have good capabilities for documenting mean and turbulent flow characteristics if proper sampling flow procedures are implemented Best suited for estimation of mean and turbulence flow characteristics are ADCP data collected from fixed points Muste et al 2004 a Muste et al 2004 b For this purpose AdcpXP extracts and processes streamwise velocity time series acquired at
53. re fixed point measurements are available do not close AdcpXP in order to save the bathymetry information Choose then Keep previous geometry option to visualize velocity vectors overlaid on the previously interpolated channel shape pentane tenses der depre ernbermbrnnnnn M Keep previous geometri eee et rn rd 64 7 References Fischer H B 1966 Longitudinal dispersion in laboratory and natural stream KH R 12 Keck Laboratory of Hydraulic and Water Resources California Institute of Technology Pasadena CA Fischer H B List E J Koh R C Imberger J Brooks N H 1979 Mixing in Inland Kim D Muste M Weber L 2005 Development of Additional ADCP Post processing and Visualization Capabilities XXXI International Association of Hydraulic Engineering and Research Congress Seoul Korea Gonzalez Castro J A Ansar M Kellman O 2002 Comparison of Discharge Estimates from ADCP Transect Data with Estimates from Fixed ADCP Mean Velocity Data Proceedings of the ASCE IAHR Hydraulic Measurements amp Experimental Methods Conference Estes Park CO Howarth M J 2002 Estimates of Reynolds and Bottom Stress from Fast Sample ADCPs Deployed in Continental Shelf Seas Hydraulic Measurements and Experimental Methods Proceeding of the specialty conference ASCE Kim D Muste M Weber L 2005 Development of Additional ADCP Post processing and Visualization Capabilities XXXI Int
54. s dots corresponding to each ensemble across the transect from AdcpXP s routine is compared with that of WinRiver Details of the comparison for individual ensembles are recorded in the adjacent table The Discharge Output box displays the difference between the two algorithms in this example difference was 0 02849 AdcpXP EE Fie General Velocity Transect Stationary Reach Export Import Help ca ER 2 en Lx 35 e 12 an E 4 mm S Discharge Calculation i Select Calculation Routine 7 _ Discharge Output C RDI IIHR opa ETT i Total Discharge 41208 5 cfs C D 11 7 Powe Velocity Law for Missing Data RDI QMid 8467 6 cfs E Lonan 09 oO wakels i IHA Mid 8465 18 cfs IT o a G Sm G 2 a Error bet RDI 4 IIHR 0 02849 x Number of missing pings 1409 ae o lato 1301 01 36 amp Calculate Discharge 0 0 73 01 amp Show Filled Discharge Distribution 28 5 RDI amp IIHR Discharge result o QMid OMidlihr 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 Ping Number ASCII File gt D WResearch WADCPY Wwst02_t 000 Transect 25 The total number of missing pings see the box on left hand side of the display was 36 High values of ensemble discharge in the chart represent cumulative discharges from when several neighboring ensembles were missing For example it can be seen that there are 5 missing pings from 405 409 a
55. s is required for estimating flow parameters such as Reynolds stress turbulence intensity TKE The following exercise demonstrates how to create in beam velocity datasets 1 Launch BBList in Windows fy RD Instruments Ef Total Commander IF ActivePerl 5 6 5 Buld 817 E Areas IF DexTooks ras EndNote mm ESRI IM ET GeoTools 9 2 For ArcGIS 9 x 2 Open a binary file as described below Type the path and file name then press Enter ca Bblist exe 3 Press F10 and go to the Process menu Here you will set the units and a velocity reference Use the space bar on your keyboard to change options Set the options as shown below 74 cx Bblist exe 4 Go to the Convert menu and press Enter on the Limits option Set Max file size as 3000 instead of 300 nines Go to Convert Define Format Enter and press Enter again Then you will see the following window Press Enter on the Profiles option and Enter again c4 Bblist exe The result shows inbeam velocity as shown below Press F9 to see the details 75 ca Bblist exe Let s store the selected data into an ASCII file Press F10 Convert gt Start conversion Enter the ASCII file name as wss01_t dat Confirm that the end of the output file format should be t dat specified for AdcpXP otherwise AdcpXP does not recognize it i cx Bblist exe Press Enter twice
56. sity Vertical Intensity M Spanwise Intensily C Inbeam Optional Choose a filter option The data can be filtered by removing outliers or removing data that were collected with high pitch and roll oscillations Click Reynolds Stress d to evaluate the Reynolds stress Then you will get the following chart on the left hand side of the screen Streamwise Reynolds Stress Distribution 4589996 15 1 81 0 025235 4589996 16 1 98 0 02535 4589996 16 214 0 02535 4589995 16 231 0 02535 4589996 16 247 0 008989042 4589996 16 263 0 0146665361 458999616 28 0 0208712353 458999516 2396 0 027075934 4589996 16 3 13 0 0363959167 4589996 16 3 29 00895284164 4599996 16 3 45 0 059337619 4599996 16 3 62 0 024504199 4589996 16 3 78 00206940617 l T Turbulence Intensity q TKE Click Turbulence Intensity and to evaluate the turbulent intensity and turbulent kinetic energy respectively You will get following results 43 Sreamwise Turbulence Intensity Distribution Streanwise Turbulent Kinetic Engergy 4 REACH SCALE ANALYSIS 4 1 2 D Reach Scale Analysis This interface is designed to assemble multiple ADCP transects or fixed point measurements collected in the same river reach and facilitates their analysis The analysis can be conducted in two or three dimensional space The more elaborate visualizations are useful in many practical applications such as the assessment of the availabili
57. stress Depth averaged velocity C Bed load velocity beams bathymetry Longitudinal dispersion coeff 2 You can also choose 2D locations for individual beams based on bottom or GPS tracking If there is no bed movement its possible to have identical results from both references Here let s select bottom tracking Reference f Bottom Track GPS 3 Click Run and the process will finish within 1 minute The following displays the locations of the ADCP transects 4 Optional If you have boundary data for the targeted reach open it Then you will have transect locations within the river reach boundary 46 Open River Reach Boundary LC Temp Reachboundarn Without running any processes you can see the boundary appears by opening the river reach boundary file The following boundary is from pool 16 in the Mississippi River 5 You can save geo referenced locations UTM X and Y and bathymetry for the transects into an Excel spreadsheet or in CSV format 47 9 Save Data 4509 50 39 4589750 47 45839750 55 4503750 65 6 AdcpXP can calculate 3D bathymetric locations for each beam of the ADCP so we have four bathymetric locations for an individual ensemble Choose the parameter 4 beam bathymetry then click Run The subsequent figure displays the 4 beam bathymetry locations of the transect measurements By zooming in you can clearly identify four points of bathymetry for each
58. t ADCP measurement files The visualization entails spatially averaged vertical velocity profiles obtained through temporal averaging 1 Choose multiple fixed point ASCII files from working directory as follows 62 M Working Direction earl WinRiver Asci fle 000 GBF west LODO E gt Research sele Es ADCP E gt ADCFdata gt Hate 2 Continue by specifying options for the fixed point measurement visualization Choose 4 beam averaged Bathymetry amp Flow Field and then Original Bathymetry options The other displayed options are not relevant for the fixed point analysis Bathymetry Type Rotation Center 4 beam averaged F Individual beams 3D Axes iV Active Animate Visualization Grid Number for Spatial Interpolation ft Bathymetry Only Grid X East 50 Grid Y North 50 Spanwise Averaging Step Tracking Reference Distance 50 ft Bottom Track GPS Open Bank Line S Keep previous geometry C Temp ReachBoundary Bathymetry Visualization Original Bathymetry C Interpolated Surface 4e Chart Option Run 3 Click Run and the process will finish within about 30 seconds The following displays temporally averaged velocity vectors for the multiple fixed point ADCP files and temporally averaged bathymetric point for each files 63 4 If previous analysis used transect measurements within the same river reach whe
59. teristics Examples are the estimation of stream turbulence characteristics Stacey 1999 bed shear stress Kostaschuk et al 2004 Howarth 2002 bedload Rennie et al 2002 suspended sediment Shen et al 1999 velocity gradients Shields et al 2003 and average flow field Muste et al 2004 The river hydraulics community continues to explore the potential of ADCPs to quantify stream characteristics beyond discharge estimation The newly developed AdcpXP software aims at assembling conventional and newly developed post processing capabilities for enhanced analysis of ADCP measurements using a uniform and user friendly computing environment AdcpXP has been developed at ITHR HyDROSCIENCE amp ENGINEERING over the last five years and continues to be expanded and optimized to accommodate the needs of users with various technical backgrounds The software is built using Object Oriented Programming OOP techniques in conjunction with Borland C Builder version 6 The analysis results are displayed in numerical and graphical formats In this initial stage AdcpXP is associated with Teledyne RD Instruments ADCPs It is anticipated that AdcpXP will be extended to other acoustic profilers in the near future Figure 1 illustrates the AdcpXP software architecture The components colored in orange are currently under development The manual assumed that the reader is familiar with basics of ADCP configuration operation and data post process
60. the number of bins to be used for the depth vertical averaging There 1s no limit on the number of bins used for averaging ZZ If you click the up or down button the bin number changes by odd number increments The partially averaged value is assigned to the midpoint of a bin e g in the case of 3 averaged value is assigned to the depth of bin number 2 6 Click Run to get the plot of the secondary currents in the transect Secondary Flow 50spatially amp partial depth averaged pi d J n ya 4 o A Wi SE o ESE sae Kee Lae E Shoat Pro p lt lt E aE R ie wet A ya E pr NA whee ae PAN Poe ee AOS E eee ee S SON A a gt Ho Xx JR mnz 2 a p 8 a 4 A 4 E e ia Eat E y e ie A 4 a E amp ae y il J o de AT y 4 s m 2 SS eS E x0 20 X0 3580 400 450 pun 550 500 n E 750 800 o o x0 0 100 Distance 1 Pr e oe ni a 7 The vector magnitude in the plot can be scaled using the following scale bar After selecting the Arrow Length ratio click Run 8 The processed data are also displayed numerically in a table and can be saved 23 66855395 668553 95 668553 95 668551 02 RAST NF 42 4595 755 42 4509 55 42 4509 5542 4599755 42 458975542 4589755 42 4599 5542 4599 63 36 SAAS AS SA 2 3 Velocity Based Flow Quantities 2 3 1 Discharge Calculation The primary role of ADCPs in riverine environments is to estimate discharge
61. ty of river habitat and investigation of in stream processes The following interface enables two dimensional graphic and numerical descriptions of the bathymetry and of the mean flow field using depth and spanwise spatial averaging Other parameters such as dispersion coefficient and bed shear stress will be implemented in the next versions of the software The ADCP data processed for the reach scale analysis is made within a geo referenced coordinate system using various conventional projections The interface can be opened from the main analysis toolbar File General Velocity Transect Stationary AE Export Import Help Es z Zs kx cad e ESE aa A You will see the resulting interface 44 File General Velocity Transect Stationary Reach Export Import Help CPE Select mulitiple ADCP files f gt Research gt ADCP 2 Builders E ADCP using mdb file Choose a variable e Bathymetry C Depth averaged velocity I 4 beams bathymetry Open River Reach Boundary El al Get Surface Slope C Temp ReachB oundary Reference e BottomTrack C GPS Set Averaging Distance Distance 50 WinRiver ASCII t 000 Bed shear stress Bed load velocity Longitudinal dispersion coeff A Get Slope Line Measurement Activate 2 Measure Om ft db Chart Option Reach 2D gt Run Save Data Spatial Interpolation Choose Interpolation Method Te p lal Cc Interpolatio
62. ualization of the river banks if such data are available see figure below Open Pooll6 boundary txt in the sample dataset The creation of a bank line or outline of the river bank is described in Appendix A 11 With the river bank defined the distance from the end of the transect to the river bank can be determined First zoom in on the bank near the transect then check Activate in the Line Measurement box Hold down the left mouse key and drag the line from around one end of the transect to the bank line then double click Finally you will see the distance between the two in the Line Measurement box Caution if you measure additional distances you should refresh first 12 ia 5 Activate Measure Oft ai 35 47 ft 2 12 Spatially average the other velocity components e g the northern velocity component then choose a velocity component that you would like to see through the Select Velocity Component box 13 You can save any processed charts and data using Chart Option or Save Data 2 2 2 Vertical Velocity Profiles The following exercise demonstrates the visualization of vertical velocity profiles in river coordinates Visualization of the velocities obtained from ADCP fixed point measurements is made with an interface introduced later see Section 3 1 1 You can select this interface by clicking the icon in the tool bar or via the menu as shown below CE rea
63. vew y Ok 3 Go to the folder you designated and open the saved CSV file 80 Appendix D Editing and Saving Charts AdcpXP is equipped with various editing functionalities for customization of the generated graphical representations including the following e Removing or adding specific series from a chart e Exporting data or charts e Themes selection e 3D editing e Chart tools 1 When you click Chart Option e g vertical velocity profile you are requested to select which chart you try to edit Here you have four options in the following example Ade p XP WL x aema e emsa sul alma m Dw Vertical Profile Select Regressing Type He option TP Ping Bin Denthit Stream h s VSpann ft s ye o ans Dsewevas 135 anm Activate Measure el Select aPing Ping 256 y 4 Chart Option cir ura y oe e er e sn ee ee de eels me ASCII Fie gt F Research ADCP wst 2_t 000 2 First select the option Location of Ping at the channel depth profile in the pop up window then the following Chart Editor will appear 81 Editing PinegMChart Chart Seties Data Tools Esport Print Themes Seres General Ags Titles l Legend Panel Paging Vi alls 30 3 Deselect Bathymetry series to remove a series from the chart See the change between the two charts before and after editing 4 Let s export chart i
64. visualize details of the velocity distribution or bathymetric surface You will see the change of view from the following figures Additionally if you choose the Orthogonal option in the 3D tab you will see areal XYZ scale of the reach 83 Chart Seres Data Tools Export Print Themes N Series General Asis Titles Legend Panel Paging Walls 30 Options Views R 3 Dimensions 90 so 4 F Orthogonal Angle 70 IV Clip Points 7 Using the mouse in the chart lets us edit the chart in various ways 1 Zoom In Left click the mouse and drag the mouse in the downward and right direction to draw a rectangle then you can zoom in on the chart for a specific area 2 Full extent After zooming in on the chart if you want to go back to the original size left click and drag the mouse in the upper left direction to draw a rectangle then the chart returns to its original size 3 Chart moving Right click and drag the mouse to anywhere you want to move chart then the chart will move in that direction 4 Measuring distance After selecting the measurement option you can measure the length of the line you draw Choose Activate Measure and 84 5 6 draw a line by double clicking at the end point of the line then a distance for the line is displayed in the Measure box in metric units The refresh button lets you redraw the line This function is currently applicable for Averaging
65. ze 10 2 3 14 21 Transect 1685 3 cfs 211 AdcpXP General Information screen 2 2 VELOCITY VISUALIZATION 2 2 1 Spatial Averaging of Velocity Components The following interface performs spatial averaging of the measured velocities using pre defined spanwise distances along the boat moving path or a straightened transect line This feature is can be applied to river or north east coordinates The spatial averaging applied to a transect allows for velocity profiles that are smoother than the scattered instantaneous velocity profiles measured in an ensemble When applied to a portion of the transect that does not display large changes in local bathymetry the effect of spatial averaging 1s equivalent to the time averaging applied to fixed point measurements acquired in the same area of the transect The spatially averaged velocity profile allows for evaluation of local flow parameters from the averaged profiles e g shear stress or the comparison of river measurements with the results of CFD models The latter results are obtained for a pre defined computational grid The spatial averaging is carried out using the following sequence 1 Choose Velocity Spatial Averaging from the Transect menu Alt t v or click the icon in the toolbar p FJ Velocity Spatial Averaging Discharge Calculation Averaging Distance M Manning s n de Chart Option Dispersion Coefficient 50 ft ZS Bed Load Velocity y sop

Download Pdf Manuals

Related Search

Related Contents

Documents  Emerson D3 Instruction Manual  MediCap™ USB100  LED Solar Garland 100 LEDs  User Manual  Blaupunkt B 30e  PT-36R - ESAB Welding & Cutting Products  Air-water split heat pump Aermec HBI User manual  

Copyright © All rights reserved. Failed to retrieve file