(TXHPET) User Manual - Texas is Cotton Country
Contents
1. cceee 30 TXHPET network partners section cceeeeeeeeeeeceeeeeeeeeeeeeeeaeeaeeeeeeeeeeeeees 31 TXHPET User Manual The Texas High Plains Evapotranspiration Network TXHPET User Manual Dana Porter Thomas Marek Terry Howell and Leon New What is Evapotranspiration Evapotranspiration or ET is a combined term that includes evaporation and transpiration where evaporation represents the loss of moisture from standing water wet surfaces and moist soil Transpiration in simple terms is the process by which water is moved into the roots upward through the plant and out to the atmosphere through the leaves ET is an estimate of crop water demand ET is driven primarily by meteorological conditions including air temperatures humidity solar irradiance and wind These data are acquired through use of specially equipped meteorological weather stations Strategically located meteorological stations comprise the ET networks Data from these stations are applied to an ET model equation to calculate reference crop well watered grass or alfalfa ET Crop specific coefficient curves are used to derive crop ET from the reference crop ET model What is the Texas High Plains Evapotranspiration TXHPET Network The Texas High Plains Evapotranspiration Network is the result of intensive collaboration and cooperation between the North Plains Evapotranspiration Network and the South Plains Evapotranspiration ET N2. MOONE RUN WORPNOWOUEPNOOORPNR RaW mooocoococoococococooooococoeoecoecee oceo N w Figure 16 TXHPET network text file output format 19 TXHPET User Manual Output Format Examples Advanced Graphing Advanced Graphing options enable the user to modify line weights and colors manipulate axes and set graphed data ranges Line properties axis limits etc are selected for each data item and for each location station separately Default properties will be used for items not otherwise specified by the user Clicking the Submit button initiates the query and generates the respective graph of the data selected What is ET Maps Weather Data Advanced Graphing Methods Select the output manner of each sensor Select a station s from the following list You may only select one station at a time Bushland ARS Upper Lower Use Sensor Type Plot Color Thickness PES aac Separa Limit Limit s Axis airT Line Blue v 2 CJ Ye ET Ref Line Oyan 2 oO Ye Dalhart Upper Lower Use Sensor Type Plot Color Thickness PPS Sg Separa Limit Limit F Axis airT Line Oyan x 2 ix o Ye ET Ref Line m Greeny 2 l O Ye Farwell Upper Lower Use Sensor Type Plot Color Thickness ppr Se Separa Limit Limit z Axis airT Line Magenta 2v o Ye ET Ref Line Orange 2 p Ye Figure 17 TXHPET network advanced graphics section 20 TXHPET User Manual Hourly Weather Data Like the daily data query the hourly d
3. Add button to add the selection to the query Single or multiple stations can be selected for each query What is ET Maps Weather Data Credits Daily Weather Data Select a Location Select a location from the following list and click the Add button You may add more than one location If you wish to remove a location simply click the remove link located next to the location Location List x Bushland ARS Added Locations Bushland JBF Select Information tion from the following list and click the Add button You Select a group or individu4 Kee at a time If you wish to remove an item simply click the may add more than one iti x amesa remove link located next td ubbock Information List Added White Deer Figure 9 TXHPET network weather station selection pull down menu 12 TXHPET User Manual Added items may be de selected by using the remove link beside the station name The user can add or remove stations from their data query as needed Next the user will select data or information items from another pull down menu What is ET Maps Weather Data Daily Weather Data Select a Location Select a location from the following list and click the Add button You may add more than one location If you wish to remove a location simply click the remove link located next to the location Location List Bushland ARS Bushland ARS remove Added Locations Dalha
4. Select an output method for your data Output Method Data Table Text File Graph Advanced Graph next page for options Figure 13 TXHPET network units selection menu 16 TXHPET User Manual Output Format Examples Data Table When the Data Table format is selected data are presented in a spreadsheet format If long data records are selected information will be presented on multiple pages with a pull down menu and page buttons for navigation between pages Note that there is a toggle button at the bottom of the page that allows the user to view the data in graphical format directly from this page Data Table What is ET Maps Weather Data Starting Date 6 1 Ending Date 9 Units english 2005 0 0 am 15 2005 0 0 am Page 1 of 6 Pose m Bushland ARS Dalhart Farwell View Graph Figure 14 TXHPET network data table output format 17 TXHPET User Manual Output Format Examples Graphed Data The Graphed Data format provides a convenient way to view the selected data Graphs can have multiple axes to present multiple data units as needed In this format axes are adjusted automatically to accommodate the data range values A View Data link above the graph area allows the user to view data in data table format directly from this page User defined axes limits and other features are available in the Advanced Graphing format option Home What is ET Maps Weather Data
5. F F F F mil hr Langl Inches Inches Cotton Corn Sorghum Peanuts Wheat 01701705 064 3 040 9 097 6 043 6 049 8 035 3 11 54 009 1 0 088 00 00 00 0 00 0 00 0 00 0 20 6 01702705 045 4 035 6 097 3 071 8 039 4 032 6 05 31 003 8 0 032 00 12 00 0 00 0 00 0 00 0 08 5 01703705 059 0 035 7 098 4 051 5 048 0 035 1 04 82 007 9 0 046 00 02 00 0 00 0 00 0 00 0 15 3 01 04 05 044 6 028 0 098 5 093 0 044 1 027 6 11 95 003 7 0 006 00 23 00 0 00 0 00 0 00 0 06 3 01 05 05 028 1 014 8 098 7 085 9 027 8 012 6 07 97 004 5 0 023 00 00 00 0 00 0 00 0 00 0 00 0 01 06 05 046 8 016 1 097 7 051 1 036 3 011 9 10 20 007 1 0 054 00 00 00 0 00 0 00 0 00 0 07 4 01 07 05 041 4 028 6 095 0 041 9 031 5 019 1 09 73 011 1 0 051 00 00 00 0 00 0 00 0 00 0 04 7 01 08 05 062 1 028 6 090 0 042 0 043 8 023 0 11 63 010 3 0 108 00 00 00 0 00 0 00 0 00 0 15 1 01 09 05 066 5 037 9 083 3 023 9 042 7 030 8 10 40 007 8 0 122 00 00 00 0 00 0 00 0 00 0 20 2 01 10 05 069 5 041 8 080 5 030 6 046 6 034 5 08 47 006 7 0 118 00 00 00 0 00 0 00 0 00 0 23 7 01 11 05 064 2 028 7 098 7 036 2 042 9 028 2 10 27 006 1 0 096 00 00 00 0 00 0 00 0 00 0 16 1 01 12 05 051 8 030 5 098 0 025 1 037 1 014 9 16 72 008 2 0 095 00 00 00 0 00 0 00 0 00 0 09 9 01 13 05 049 2 022 5 091 2 031 1 030 4 018 4 08 28 011 5 0 067 00 00 00 0 00 0 00 0 00 0 08 6 01714705 050 5 026 8 095 8 041 8 033 1 023 3 11 70 006 9 0 078 00 00 00 0 00 0 00 0 00 0 09 3 01 15 05 027 4 015 3 098 2 089 5 026 5 013 7 05 16 003 5 0 015 00 00 00 0 00 0 00 0 00 0 00
6. The TXHPET development committee is currently made up of selected TXHPET personnel listed below Please feel free to contact these individuals for special ET related requests and comments Thomas Marek P E North Plains ET Network manager TAES Amarillo t marek tamu edu Dr Dana Porter P E South Plains ET Network manager TCE TAES Lubbock d porter tamu edu Dr Terry Howell P E Water Management Research Unit Leader USDA ARS Bushland Dr Jerry Michels Entomologist TAES Amarillo Dr David Parker WTAMU Canyon 33 TXHPET User Manual APPENDIX Units Evapotranspiration ET Reference Inch in Millimeters mm Evapotranspiration Crop Inch in Millimeters mm Growing Degree Days Heat Units Degrees Fahrenheit F Degrees Celsius C Precipitation rainfall Inch in Millimeters mm Millibar mbar Kilopascals kPa Relative humidity Solar Irradiance solar radiation Langley ly Megajoules per square meter MJ m2 Temperature air Degrees Fahrenheit F Degrees Celsius C Temperature dew point Degrees Fahrenheit F Degrees Celsius C Temperature soil temperature Degrees Fahrenheit F Degrees Celsius C Vapor Pressure deficit Millibar mbar Kilopascals kPa Vapor Pressure actual Millibar mbar Kilopascals kPa Wind Direction Degree Degree Wind Direction standard deviation Degree Degree Wind Speed Miles per hour mph Meters per seco
7. Credits Graphed Data 6 01 2005 to 9 15 2005 Farwell Bushland ARS Dalhart Average Air Temp F Average Ar Temp eF Average Ai Tarp F Reference ET Caiculation in Reference ET Calcutation in Reference ET Calculation in View Data inches wayuasyey saaubag Figure 15 TXHPET network graphed data output format 18 TXHPET User Manual Output Format Examples Text File The text file format is a convenient way for the user to access relatively long data records without page breaks This format is particularly useful for importation into spreadsheets for further analysis or plotting The file can be downloaded copied and pasted and saved in a variety of formats for further user directed analysis and presentation Bushland ARS airT Dalhart 46 1 2005 0 0am9 15 2005 0 0 am english ET Ref Farwell Click Here to Download P data 1 Notepad Fie Edit Format View Help RirtT_ F ET Ref in Bushland CARS airT ET Ref 06 01 2005 67 06 02 2005 73 06 03 2005 64 06 04 2005 69 06 05 2005 67 06 06 2005 71 06 07 2005 76 06 08 2005 76 06 09 2005 78 06 10 2005 67 06 11 2005 63 06 12 2005 70 06 13 2005 68 06 14 2005 67 06 15 2005 74 06 16 2005 77 06 17 2005 74 06 18 2005 78 06 19 2005 80 06 20 2005 78 06 21 2005 76 06 22 2005 76 06 23 2005 77 06 24 2005 78 06 25 2005 76 06 26 2005 74 06 27 2005 77 A
8. 2 14 9 014 6 09 7 018 6 07 4 009 3 12 6 013 3 10 4 01 07 05 020 4 06 4 007 5 13 6 011 7 11 3 013 6 10 2 009 4 12 6 011 5 11 4 01 08 05 028 0 02 2 009 8 12 3 017 5 08 1 020 6 06 3 012 5 10 9 016 4 08 7 01 09 05 032 8 000 4 016 9 08 4 023 8 04 6 024 8 04 0 018 3 07 6 021 1 06 0 01 10 05 034 9 001 6 021 6 05 8 025 9 03 4 026 5 03 0 021 8 05 6 023 8 04 6 01 11 05 035 0 001 7 019 4 07 0 025 4 03 7 025 2 03 8 020 7 06 3 023 2 04 9 01 12 05 052 6 011 5 018 7 07 4 025 5 03 6 025 1 03 8 020 3 06 5 023 2 04 9 01 13 05 025 9 03 4 017 4 08 1 019 8 06 8 022 8 05 1 018 1 07 7 020 7 06 3 01 14 05 022 5 05 3 014 0 10 0 016 9 08 4 020 1 06 6 016 6 08 5 018 3 07 6 01 15 05 018 3 07 6 013 3 10 4 014 7 09 6 019 0 07 2 016 0 08 9 017 1 08 3 01 16 05 014 5 09 7 011 2 11 6 013 3 10 4 016 6 06 5 015 3 09 3 015 9 06 9 01 17 05 015 2 09 3 009 4 12 6 012 4 10 9 015 8 09 0 014 6 09 7 015 1 09 4 01 18 05 016 5 07 5 010 3 12 1 013 7 i0 2 015 4 09 2 6013 5 10 3 014 4 09 6 01 19 05 028 4 02 0 013 8 10 1 018 1 07 7 018 3 07 6 011 9 11 2 014 9 09 5 01 20 05 036 3 02 8 014 3 09 6 022 5 05 3 023 9 US 015 9 96 9 019 3 07T 01 21 05 032 1 000 0 O16 2 DB 8 023 2 04 9 024 3 04 3 016 7 O7 4 021 6 05 58 01 22 05 03050 01 1 015 9 09 0 021 4 05 9 023 6 04 7 020 5 06 4 022 1 05 5 01 23 05 028 5 01 9 013 1 10 5 018 3 07 6 021 5 05 8 016 6 08 6 019 3 07 0 01 24 05 036 3 002 4 014 7 09 6 023 1 0
9. Click on the circle beside the desired output format to select the output method Click on the Submit button to initiate the query Time Range Complete the following time range by settting a start date and an end date Be sure to enter a valid year Start Date Date June yi1 2005 v Time 1 00 am End Date Date June Hiv 2005 v Time 1 00 am Units Select the units of measurement Units English Output Method Select an output method for your data Output Method Data Table Text File Graph Advanced Graph next page for options Figure 19 TXHPET network hourly time range selection section 22 TXHPET User Manual Hourly Data Query Example Selecting Stations Data Items and Time Range For this example air temperature and 2 inch soil temperature will be accessed for the same weather stations Bushland Farwell and Dalhart as those used in the daily example The period of interest is October 14 thorough November 15 2005 Select a Location Select a location from the following list and click the Add button You may add more than one location If you wish to remove a location simply click the remove link located next to the location Location List Bushland ARS Bushland ARS remove Added Locations Farwell remove Dalhart remove Select Information Select a group or individual item of information from the following list and click the Add button You may
10. GDD Stage PELTA raadi in 087 15 6406 Phy Mat 06 11 14 28 7 09 10 5502 H Dough 15 14 16 25 3 10 01 4803 H Dough 15 14 16 24 0 10 15 4464 H Dough 15 14 16 23 1 Fescue Bluegrass lawn water use 0 30 inch Bermuda grass lawn water use 0 22 inch Buffalo grass lawn water use 0 15 inch Figure 8 TXHPET network fax file data format 10 TXHPET User Manual Weather Data The most important function of the TXHPET network is to provide convenient and reliable access to meteorological data This service to our clientele is the driving force behind all of these new developments One of the most significant new developments in the TXHPET network information delivery is the searchable database that includes data for all weather stations in the combined North Plains and South Plains ET Networks Users can choose to access daily or hourly data They can access data from one or multiple weather stations over any time in the period of record What is ET Maps Weather Data Weather Data Choose atime interval Daily Readings taken daily Hourly Readings taken hourly Conditions of Use Legal Notices Contact Us 2005 Texas A amp M University System Agriculture Program Figure 8 TXHPET network weather data section web page 11 TXHPET User Manual Select a Location A pull down menu is used to select one or more meteorological stations from the list After each location selection the user must click the
11. SVM Mushtarsa Mep Aaw ceri aro usada Qovwmru Non West Texas ALM Uneven sity CREET Water Groty hip tamanta tarre edw CREET Texas Water Devebopenent Board Np eme bgd state tx ashore Pema Boms PED Crewe nabonsipeanmosrt org Texas Water Reso ces instmme TAMIS College Station TK fp Meri tamu eos Figure 28 TXHPET network partners section 31 TXHPET User Manual Acknowledgements Special thanks to the following talented and dedicated individuals whose contributions and expertise have turned ambitious ideas into matter of fact reality for the benefit of those using the data Don Dusek TAES Amarillo instrumentation data acquisition and meteorological data QA QC data master Craig Carpenter TAES Lubbock computer programmer and database guru extraordinaire Nicholas Greene TAES Amarillo computer specialist and right hand man programmer of the TXHPET listserv developer manager Andrew Huff TAES Lubbock web page and graphics designer Mike Blanton TAES Lubbock systems analyst and patient supervisor who allowed us to access the talent of his band of smart young computer dudes Pat Porter PhD TCE Lubbock extension entomologist and information delivery visionary Paul Sittler TAES TCE College Station information technologist and computer expert Furthermore acknowledgement is extended to the administrators of the partnering agencies who continue to support the efforts and mission o
12. fax O imp fax O imp O fax O imp pit O ssl prt CO ssl oO prt ssl Lamesa lam Lubbock lub Mor mor O 24 O grs O24 Ogs O24 Ogs O fax O imp O fax O imp O fax O imp O prt O ssl Opt O ssl Opt Ossl Munday mun Perryton per Wel wel 0 24 O grs O24 ogs O24 grs O fax imp O fax O imp oO fax imp O prt O ssl Opt O ssl Opt O ssl White Deer whi WTD wt WTF wt O24 O gts O24 ogs 024 Ogs oO fax O imp O fax O imp O fax O imp O prt O ssl Opt Oss Opt Ossl Cancel Changes Return to Main Menu Figure 26 TXHPET network listserv station selection page 29 TXHPET User Manual E mail receipt of the files can very slightly but a typical example is shown below Mail From lt TXHPET amarillo2 tamu edu gt File Edit view Actions Tools Window Help X Close E repy 7 MB Forward a v A amp bd Nee g a Mail Properties Personalize From lt TXHPET amarillo2 tamu edu gt 11 19 05 4 03 AM To lt t marek tamu edu gt Subject Data file s from TXHPET Network Data file s from the TXHPET Network a w Ff Message bus05322 Fx bus05322 grs ett05322 fx ett05322 grs Figure 27 Typical e mail delivery of TXHPET network selected files If you need further assistance in navigating the TXHPET website please contact Texas Southern High Plains Dr Dana Porter P E South Plains ET Network manager TCE TAES Lubbock d porter tamu edu Texas Panhandle and Northern Texas High Plains Leon New P E Professor
13. of user information the station and file selection screen illustrated below will appear Generally the fax file designated by the fax file extension and the hourly meteorological data files designated by the prt file extension are the files of interest to most users including irrigated producers Other files designated by the various extensions are again primarily for researchers and modelers associated with the TXHPET network A user can select one or more stations and formats of interest The selected files will be sent to the users e mail address each morning a My Contact Management System Microsoft Internet Explorer File Edit View Favorites Tools Help Q sak Q x a A JO search She Favorites A 2 Se fel LJ 33 Address a http jamarillo2 tamu edu listserv manage_sites php Google v G Search g Erase blocked F Check Autolink Fg options S your email is still t marek tamu edu Bushland ARS bus Bushland jbf Chillicothe chi O24 O grs O24 Ogs O24 Ogs fax O imp O fax O imp oO fax imp prt O ssl Opt oO ssl O prt ssl Dalhart dal Dimmit lim Earth ear O24 O grs O24 Ogs 024 Ogs oO fax imp fax O imp O fax O imp O prt O ssl prt O ssl Opt O ssl Etter ett Farwell far Hal hal O24 O grs O24 Ogs O24 ars
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15. 0 01 16 05 025 0 020 3 097 1 091 2 023 2 019 0 06 25 002 8 0 013 00 00 00 0 00 0 00 0 00 0 00 0 01 17 05 033 2 019 3 096 8 079 2 028 3 017 4 08 01 005 4 0 026 00 00 00 0 00 0 00 0 00 0 00 6 01 18 05 056 0 021 8 094 7 040 3 035 0 020 1 11 11 011 3 0 091 00 00 00 0 00 0 00 0 00 0 12 0 01 19 05 064 4 029 4 089 0 032 4 039 0 026 2 04 79 011 4 0 082 00 00 00 0 00 0 00 0 00 0 16 2 01 20705 071 6 030 3 089 2 020 9 039 4 026 7 04 34 011 4 0 096 00 00 00 0 00 0 00 0 00 0 19 8 01721705 069 8 034 4 080 2 022 6 041 9 028 3 05 95 007 4 0 107 00 00 00 0 00 0 00 0 00 0 20 1 01722705 045 1 026 0 085 7 038 6 032 6 017 5 10 48 O11 1 0 064 00 00 00 0 00 0 00 0 00 0 06 6 01 23 05 061 7 021 6 077 9 025 2 028 4 014 9 10 93 012 2 0 135 00 00 00 0 00 0 00 0 00 0 14 8 01 24 05 069 7 029 6 075 9 028 6 038 9 020 6 07 45 012 0 0 127 00 00 00 0 00 0 00 0 00 0 18 9 01 25 05 071 2 035 0 092 3 019 5 038 1 022 9 08 78 012 4 0 148 00 00 00 0 00 0 00 0 00 0 21 1 01 26 05 058 2 034 4 089 6 039 6 042 9 026 7 06 66 008 8 0 082 00 00 00 0 00 0 00 0 00 0 14 3 01 27 05 053 3 043 3 100 0 086 8 050 9 042 9 09 85 002 2 0 017 00 05 00 0 00 0 00 0 00 0 16 3 01 28705 043 7 030 3 100 0 091 9 045 0 029 7 09 13 004 0 0 002 00 02 00 0 00 0 00 0 00 0 05 8 01 29 05 052 5 026 0 098 4 059 1 043 9 025 1 03 29 010 3 0 047 00 00 00 0 00 0 00 0 00 0 10 2 01 30 05 034 6 030 4 099 1 096 4 034 3 030 1 07 72 003 2 0 015 00 01 00 0 00 0 00 0 00 0 01 3 01 31 05 032 8 027 6 098 9 087 2 031 4 027 0 07 68 002 5 0 013 00 00 00
16. 0 00 0 00 0 00 0 00 4 02 01 05 033 1 030 2 095 4 084 0 030 5 028 1 04 99 001 9 0 016 00 01 00 0 00 0 00 0 00 0 00 5 02 02 05 046 7 027 4 093 3 044 1 036 1 024 5 07 00 012 8 0 061 00 01 00 0 00 0 00 0 00 0 07 4 02 03 05 055 0 026 6 088 6 025 0 033 5 018 5 03 87 013 7 0 074 00 00 00 0 00 0 00 0 00 0 11 5 02 04 05 056 2 024 2 084 7 026 9 033 9 019 4 08 34 013 8 0 100 00 00 00 0 00 0 00 0 00 0 12 1 02 05 05 051 2 030 8 096 5 043 9 037 2 027 2 11 99 006 1 0 073 00 03 00 0 0 0 00 0 09 6 o n Figure 6 TXHPET network cumulative daily weather data output format TXHPET User Manual Soil Temperatures The Soil Temperatures link accesses a file of daily soil temperature data at 2 inch and 6 inch depths for the current calendar year as of the previous day Maximum minimum and average mean daily soil temperatures are presented in F and C Bushland ARS TX Soil Temperatures Date 11 14 2005 Time 9 40 040 am Date Max T 2 Min T 2 Avg 2 Max T 6 Min T 6 Avg 6 F c PF Cc F c P Cc F c F c 01 01 05 041 0 005 0 026 9 02 9 034 0 001 1 031 0 00 5 026 4 03 1 028 5 02 0 01 02 05 108 4 042 4 023 5 04 7 031 3 00 4 041 8 005 4 022 1 05 5 027 8 02 4 01 03 05 068 2 020 1 028 8 01 8 038 1 003 4 032 1 000 0 021 0 06 1 025 7 03 5 01 04 05 065 5 018 6 012 1 11 1 037 4 003 0 029 7 01 3 017 8 07 9 022 1 05 5 01 05 05 012 8 10 7 006 6 14 1 009 9 12 3 018 5 07 5 011 8 11 2 014 8 09 5 01 06 05 040 7 004 8 005
17. 1 4 2005 08 00 00 10 1 4 2005 09 00 00 10 1 4 2005 10 00 00 10 1 4 2005 11 00 00 10 1 4 2005 12 00 00 10 1 4 2005 13 00 00 10 14 2005 14 00 00 10 14 2005 15 00 00 10 14 2005 16 00 00 10 1 4 2005 17 00 0 10 14 2005 18 00 0 10 1 4 2005 19 00 0 10 1 4 2005 20 00 0 10 1 4 2005 03 00 00 44 ananos ox0000 ar as ra onana 050000 46 ar ananos 06 0000 as 46 onanan or 0000 43 as rarar00s 100000 es 22 roraz005 10000 eo on 10 14 2005 12 00 00 10 14 2005 13 00 00 101 10 14 2005 14 00 00 75 101 98 86 7 10 14 2005 15 00 00 7 n 42 43 5 S4 62 7 7 gt oa Ooinininwin o amp Ain Ol wlwlolt nwiw NTO coal etl Gatun e Lat 56 10 1 4 2005 16 00 00 10 1 4 2005 17 00 00 10 1 4 2005 18 00 00 10 14 2005 19 00 00 65 63 60 10 1 4 2005 20 00 00 Qo View Graph 10 14 2005 04 00 00 1071 4 2005 05 00 00 10 1 4 2005 06 00 00 ranao0s oroo 1 ar raraz00s sonno st ae raraz00s ro00 0 ot 54 10 14 2005 11 00 00 69 59 10 14 2005 12 00 00 73 7 107 4 2005 13 00 00 75 10 1 4 2005 14 00 00 7 10 1 4 2005 15 00 00 7 10 14 2005 16 00 00 7 10 14 2005 17 00 00 7 10 14 2005 18 00 00 7 10 1 4 2005 19 00 00 10 1 4 2005 20 00 00 ni ani a Oj ejn wj sai ma wa Figure 21 TXHPET network hourly data table format 24 TXHPET User Manual Hourly Data Query Example Graphed Data Format The Graphed D
18. 2le Sl O6 14 05 24 83 54 69 76 0 00 18 18 14 8 22 34 06715705 30 93 54 69 76 0 00 20 23 29 13 24 34 10 day avg min soil temp 70 75 Wind 8 3 mph from 181 deg CORN Short Season Var Water Use Long Season Var Water Use Seed Acc Growth Day 3day 7day Seas Growth Day 3day 7day Seas Date GDD Stage infd in Stage in d THE 04701 1068 lO leaf 35 33 32 9 5 10 leaf 35 33 32 9 5 04715 926 8 leaf 230 229 26 Ta 8 leaf 230 229 26 7 0 05701 758 6 leaf 26 24 23 4 9 6 leaf 326 off 6 4 9 OS 15 599 4 leaf rel x20 TZ gsi 4 leaf zei 320 1 3 1 SORGHUM Short Season Var Water Use Long Season Var Water Use Seed Acc Growth Day 3day 7day Seas Growth Day 3day 7day Seas Date GDD Stage inida sas in Stage inifd in 05701 801 S leaf Crk sel 20 1 4 leaf sigs se 1 4 9 05715 639 4 leaf SLB alle 16 3 5 4 leaf eB alle 16 3 5 067 01 328 Emerged 12 11 TZ 5 Re Emerged 12 11 12 A as a 06715 23 Seeded wiz 309 09 OSI Seeded a I 10 09 0 1 COTTON North Plains Area Water Use South Plains Area Water Use Seed Acc Growth Day 3day 7day Seas Growth Day 3day 7day Seas Date GDD Stage inpas in Stag lt ksse a aE de Leta in 057 01 349 Emerged 15 l4 14 3 4 Emerged 15 l4 14 3 4 05715 316 Emerged 15 l4 l4 2 8 Emerged 15 14 14 z2 8 067 01 174 Emerged 15 14 11 LE Emerged 15 14 11 ESL 067 15 13 Seeded cos 08 10 0 0 Seeded O4 08 10 0 0 WHEAT Water Use Seed Acc Growth Day 3day 7day Seas Date
19. 3 0 39 500 SOR FSi 2 7 2s Asa ee Wl llan 453 79 20 0 00 89 2 0 35 1600 374 4 15 5 13 2 12 6 9 0 ak Ost boise Jer 99 26 0 00 89 0 0 27 1700 197 6 15 5 13 6 12 6 9 2 20 20530 adas S29 20 ES 30 00 69 2 0519 1800 31 5 14 6 13 8 10 0 9 6 24 0 29 0 94 1 8 133 9 0 00 89 1 0 04 1900 G60 Tga 3856 5 9 9 8 31 0 29 0 64 0 9 146 6 0 00 88 9 0 00 2000 OO Tel 13 6 3 6 9 9 37 0 29 0 50 1 4 167 9 0 00 88 8 0 01 2100 OOO Ped Ww 2 6 9 8 39 0 29 0 45 1 6 176 7 0 00 89 1 O 01 2200 Geb IDS 2350 2 0 9 6 42 0 29 0 41 2 0 186 9 0 00 89 1 0 01 2300 0 0 9 6 12 6 2 1 9 0 44 0 31 0 40 3 2 179 6 0 00 88 7 0 02 2400 0 0 90 W262 0 9 8 3 SQ eas iaa ak aero 7 0 00 88 8 0 02 Sum 14 7 Md 0 00 2 95 Avg 11 6 12 9 6 5 6 8 40 0 37 0 63 4 9 62 69 88 8 Max 644 0 15 7 14 4 12 9 1 6 66 0254 EEEa 63 8 Time 1220 1557 0 1545 54 727 54 1605 140 888 Min Gee PEG 0 4 10 6 20 0 27 0 24 88 8 Time 2359 1054 2340 1932 1606 1932 709 888 Figure 5 TXHPET network hourly data file format TXHPET User Manual Daily Weather The Daily Weather link accesses a file that includes daily data for the current calendar year as of the previous day Daily items presented include maximum and minimum air temperature relative humidity and dew point temperature average wind speed and solar radiation irradiance reference crop ET rainfall and heat units for selected key crops in the region Date Max T Min T Max RH Min RH Max Dew Min Dew Vind SR ETO Rain Heat Units
20. 4 9 024 6 04 0 017 3 08 2 020 7 06 3 01 25 05 037 2 002 9 019 5 06 9 026 2 lt 03 2 027 1 02 7 020 9 06 2 023 7 04 6 01 26 05 044 2 006 8 018 0 07 8 025 3 03 7 027 3 02 6 021 7 05 7 024 0 04 4 01 27 05 M M M M M M 033 5 000 68 021 1 06 1 023 9 04 5 01 28 05 036 8 002 6 023 1 05 0 028 0 02 2 022 1 05 5 018 2 07 7 020 5 06 4 01 29 05 035 6 002 0 015 9 08 9 023 1 04 9 024 4 04 2 017 6 08 0 020 9 06 2 Figure 7 TXHPET network daily soil temperature data output format TXHPET User Manual Daily Fax The Daily Fax output format delivers data in the form with which most of our North Plains ET Network and South Plains ET Network users are familiar This format is very useful for irrigation scheduling operations At the top of the page are daily values of reference crop ET air and soil temperatures precipitation and growing degree days heat units for the 3 days prior to the current date The page summarizes daily water demand on a daily 3 day 7 day and seasonal basis for some key crops in the region Water use estimates and accumulated growing degree days are presented for several planting dates for each crop Water demand for common lawn grasses are presented at the bottom of the page North Plains ET Network Weather Station Dimmitt TX Temperatures F Date ETo Air Soil Min Prec Growing Degrees Days F in Max Min Zin 6in in Crn Srg Pnt Cot Soy Wht O6 13 05 32 92 47 67 75 0 00 Lh 21 LBs lO
21. The Texas High Plains Evapotranspiration Network TXHPET User Manual developed by Dr Dana Porter P E Thomas Marek P E Dr Terry Howell P E Leon New P E of the Texas A amp M University System Agricultural Research and Extension Centers Lubbock amp Amarillo Texas amp USDA ARS Conservation and Production Research Laboratory Bushland TX November 2005 Version 1 01 AREC 05 37 ii TXHPET User Manual TXHPET User Manual TABLE OF CONTENTS What is EVapOlanSpibatOn esc gk eae A Ne aN CaN eRe ho le ee 1 What is the Texas High Plains Evapotranspiration TXHPET Network n se 1 Th TXHPET Web alle rannig Senger a Serie fupihua tienen tun gugctias te gaat as 2 Future TXHPET Development 0 cceeeeceecccceeeeeeeeeeeeeaeeeeeeeeeeeeesaaaaaeeeeeeeeeeeeeenensaaaees 2 Overview of the TXHPET Web Site eeeeecccsccceeeeeeeeeeeeeeaeeeeeeeeeeeeeesscaaeeeeeeeeeeeeeeees 2 TXMPET Home RAGGA het Rhee kee ead 3 I IO Sic ens esau gas ay cetaceans eset AT AA eave ee eee cess al EE 5 StatonInformati ON ssie sont aigde Sie ioatat ee Sle Sue S cate te oleh Sasi Sait teen Gach 6 PIOUNY Printouts asina btn bt cabled tc Acai b tel tas hcmit ce blatehids thence bide htdahil 7 D ily NV SUING lia hana cc ete at ha he Ne A ie aA te te A ate 8 Oil TOMO ANUS S adimena ects eee i AEA cease de eats ude ea AE TAEAE TE 9 Dally Faxe o E o a e e a a a narar a E Gene 10 Weather Data een nee ner ee Ne PPE Pr ener EOE eretern
22. act Us SOCOS Tea AGM Untventty System Agmultwe Program Figure 3 TXHPET network Maps web page TXHPET User Manual Station Information When the user selects a site from the map or from the list general information about the station location is provided For each station the previous day s data are summarized The user can also go directly to the daily fax cumulative daily data file soil temperature file or hourly printout data delivery formats for that day Home wratis Er Y maps Weather Daa reds Weather Station Station Information Daily Fax Daily Weather Soil Temperatures Grass Print Q Station Name Bushland ARS Longitude 102 County Potter Latitude 35 Nearest Town Bushland Elevation 3894 ft Yesterday s Data Summary Maximum Air Temp 55 F at 03 27 00 PM Reference ET N A Minimum Air Temp 33 F at 11 24 00 PM Precipitation 0 000 in Soil Temperatures at 2 S3eF Average Relative Humidity 40 Soil Temperatures at 6 55 F Average Wind Speed 11 mph Station Pictures Figure 4 Station information page in Maps section of TXHPET network TXHPET User Manual Hourly Printout The hourly data printout summarizes the previous day s data in one hour increments This format provides detailed information including solar radiation irradiance soil temperatures at 2 inch and 6 inch depths air temperature dew point temperature relative humidity average vapor pressure and vapor pressure deficit wind sp
23. add more than one item of information at a time If you wish to remove an itern simply click the remove link located next to the item Information List Individualltems __ Add Air Temperature remove Added Information 2 Soil Temperature remove Time Range Complete the following time range by settting a start date and an end date Be sure to enter a valid year Start Date Date October 14 2005 Time 1 gj 00 v am v End Date Date November m 15 2005 x Time 1 x 00 v am x Figure 20 TXHPET network hourly data selection section 23 TXHPET User Manual Hourly Data Query Example Data Table Format The Data Table format provides date and time along with the data items selected for the locations of interest Above the table are some page navigation buttons This presentation format enables the user to view the data for multiple locations in a side by side manner The View Graph link below the table conveniently switches to a graphical data presentation format Home Whatis ET Maps Weather Data Data Table Page 1 of 39 Paget M c0 To Page Bushland ARS Farwell Dalhart 10 1 4 2005 01 00 00 45 10 1 42005 02 00 00 45 raa200s onoono ae 49 roraz00s 020000 a 42 rara2005 030000 as 46 10 1 442005 01 00 00 10 4 4 2005 02 00 00 10 1 4 2005 03 00 00 5 10 14 2005 04 00 00 10 14 2005 05 00 00 10 14 2005 06 00 00 10 1 4 2005 07 00 00 10
24. an underlying necessity and must be implemented on a continual basis for the data to be accurate and representative of field conditions The newly developed TXHPET web site provides a new framework for an advanced data delivery options Additional educational and reference materials development is underway and these products will be added in the future Additional meteorological stations locations are to be added to the network in the near future Expanded cooperative efforts with other ET networks are also being considered Furthermore additional online utilities and data capabilities are planned pending availability of resources Overview of the TXHPET Web Site Features of the TXHPET network including examples are demonstrated in the following figures TXHPET User Manual TXHPET Home Page The Texas High Plains ET Network website http txhighplainset tamu edu is the focal point for information distribution for the TXHPET The Home page of the website includes links to background information about the networks essentials of ET intended audiences and other related information Additional tools are planned Tabs near the top of the page facilitate navigation within the website Welcome to the Texas High Plains ET Network What is the Texas High Plains Evapotranspiration Network The Texas High Plains is the most intensively irrigated region in the state High quality local meteorological data are Needed for accurate Frigati
25. and Irrigation Specialist TCE Amarillo l new tamu edu For technical assistance or for the reporting of web based operational or content errors please contact Dr Dana Porter or Thomas Marek at t marek tamu edu 30 Credits TXHPET User Manual These developments would not have been possible without support of our sponsors We greatly appreciate their financial and in kind support Credits Partners Tae Tanai igh Pinas ET Netart opeumons mantansenn ane data sod Uy amo mobs pannie Gsvgh funding phd oting sxapeniven She tentang crsenscaBone ane agentes These insteds eument ane patie Souma Sony Quanta tu Sise pruge au tray hove provides supped tri antes wibudhte apaeuiien a Texas Coin Prodscers Board rap toxascom org Tangs Wiass Pondres Texas Wheat Preduces s Halfway adores grater Lubbock Pecos Tex AAM University 3 espaci paket Son sr sepurane ot Rare mheara Bomann National Peanut Board texas Water _ Resources Institute NAD Meee torn tha a Org Pahulje 1 otmete ter o1senvatior Certs ct Nip Zawa panh sande gruurcdw ater ong Morth Pran Ct otmte ater Cotrmervation Cevtict to 2 nep saww newad ong bum Plian Linder g ound Wates Conservation District Net eral tf howd com Texas AAM Unever sity Agr icin al Rosem ch amd E xtennson Conter Armee Bo Nip Manan torres edu Toras ABM Unive city Ageiciaia al fosoa ch amt Extension Comet Lutdock AD AUTOA famu eos USDA ARS CPM
26. ata format provides a convenient way to view the selected data Graphs can have multiple axes to present multiple data units as needed In this format axes are adjusted automatically to accommodate the data range values Note that with hourly data intervals long data records can result in a crowded graph Selection of shorter time ranges fewer days or using a daily data interval can improve readability of the graph if necessary A View Data link above the graph area allows the user to view data in data table spreadsheet format directly from this page User defined axes limits and other features are available in the Advanced Graphing format option Use of this option is the same as for the Daily Data query Home What is ET Maps Weather Data Graphed Data 10 14 2005 1 00AM to 11 15 2005 1 00AM arwell Dalhart Bushland ARS F Air Temperature F Air Ternperature Air Tanperature F 7 So Temperature F 2 Soil Temperature gt F 2 Soil Temperature maiii View Data 116 0 111 0 106 0 101 0 96 0 91 0 5 E 86 0 Fi 3 81 0 ry 5 76 0 71 0 66 0 61 0 56 0 51 0 46 0 41 0 36 0 31 0 26 0 21 0 October Noverr Figure 22 TXHPET network hourly data graph output format 25 TXHPET User Manual Hourly Data Query Example Text File Format The text file format is a convenient way for the user to access relatively long data records The file can be downloaded copied and pasted and s
27. ata query selection includes pull down menus for locations and data items After each station location and after each data item selection click the Add button to complete the selection Added items can be de selected by clicking the remove link beside those items What is ET Maps Weather Data Hourly Weather Data Select a Location Select a location from the following list and click the Add button You may add more than one location If you wish to remove a location simply click the remove link located next to the location Location List Bushland ans Adsl Added Locations Select Information Select a group or individual item of information from the following list and click the Add button You may add more than one item of information at a time If you wish to remove an item simply click the remove link located next to the item Information List Individualitems Added Information Figure 18 TXHPET network hourly weather data section 21 TXHPET User Manual Time Range Units and Output Format Selection The time range selection for an hourly data query is more specific allowing for the hourly time step Use the pull down menu to select start and end dates and times Recall that time stamped data of 01 00am represents data from 24 00am to 01 00am Units and output formats are selected the same as for the daily data query Use the pull down menu to select English or Metric units
28. aved in a variety of formats for further user directed analysis and presentation pat Pe eres mee Bushland ARS Fane soilT2 Dalhart Click Here to Download B dataf1 Notepad File Edit Format View Help airT F soilt2 F Bushland CARS Figure 23 TXHPET network text output format 26 TXHPET User Manual E mail Listserv Capability While current users can continue to receive TXHPET related fx and prt files through the current modes of faxing and or electronic web based downloading from the NPET and SPET network sites a preferred new delivery option has been developed to replace faxing This delivery mode is intended to reduce phone costs and the time required to disseminate the data files each day A network listserv delivers fax and prt files via e mail each morning On line web based signup for the listserv e mail service is available at http amarillo2 tamu edu listserv For most users irrigators for instance the fax and prt data formats will be of primary interest Other formats available for e mail distribution are intended primarily for research and model applications Upon entering the listserv page the user can create a new account or modify an existing one The front page of the listserv site is shown below My Contact Management System Microsoft Internet Explorer File Edit View Favorites Tools Help Q ex i 4 x a A JO search She Favorites amp B g o m a9 D 33 Address http amarillo2
29. ed next to the item Information List Individual items v Added Average Air Temp remove Information Reference ET Calculation remove Time Range Complete the following time range by settting a start date and an end date Be sure to enter a valid year Start Date Date November v 14 v 2004 v End Date Date oy Units Select the units of measurement Units English Figure 12 TXHPET network date selection menu 15 TXHPET User Manual Units and Output Format TXHPET data are available in English or Metric SI units The units pull down menu is used to make this selection Below the Units selection area is the Output Method selection By clicking on the corresponding circle the user selects data table text file graph or advanced graph output formats The Submit button initiates the database query The Reset button clears all selections for a new query After a query the Back button in the browser returns to the query page so the user can make changes to the query and re submit Sometimes a page refresh may be required to update a data series or graph when using the back button operation to change data selections Time Range Complete the following time range by settting a start date and an end date Be sure to enter a valid year Start Date Date June 1 2005 v End Date Date September 15 2005 v Units Select the units of measurement Units English im Output Method
30. eed and direction and standard deviation of wind direction precipitation barometric pressure and reference crop ET Daily cumulative or mean values as appropriate for each parameter are summarized at the bottom of the printout Station BUSHLAND ARS TX Long 102 deg 5 min Lat 35 deg 11 min Date 11 13 05 Year DOY 2005317 Elev 1187 m Bar Corr 13 4 Sunrise 721 Sunset 1744 Daylight time 10 hours 23 minutes Time Rs Ts2 Ts6 Tair TDew RH AVP VPD WSpd Wdir SDd PREC BP ETo CST W m 2 C C C C EPa KPa mzs deg deg mm KPa nm 100 OSG TT 24 2 6 3 2 5 54 0 51 0 45 3 1 T 35 0 00 88 5 0 02 200 DIE Its4 213 9 8 8 3 0 44 0 49 0 64 8 9 26 8 0 00 88 7 0 06 300 0 0 11 4 13 6 7 9 5 2 39 0 42 0 65 8 4 20 68 0 00 88 8 0 06 400 O70 Isa 23 3 Gal 532 44 0 42 0 52 7 8 1 8 0 00 88 9 0 05 500 Gaw Ima Esk 4 7 4 9 50 0 435 0 43 6 9 16 7 0 00 88 9 0 04 600 0 0 10 4 12 9 3 5 4 4 56 0 44 0 34 7 0 ll 6 0 00 89 0 0 03 700 0 0 9 9 12 6 2 6 3 6 63 0 47 O 27 6 7 9 8 amp 8 0 00 89 2 0 02 600 25 9 9 5 2 4 2 3 3 5 66 O47 20525 6 3 7 T DOR GFL 20 02 900 191 9 Oe eed 3 7 4 1 DF 0 85 OZSA 7 0 15 9 0 00 89 4 0 11 1000 372 8 O73 211 8 5 8 4 8 47 0 43 0 50 7 6 26 Jr 0 00 69 2 0 20 ELOO SlG34 TOSI EST 7 8 5 9 Se 0539 O67 G2 44 14 0 00 89 5 0 28 F200 GORE JSS LF 9 5 6 9 3E 0936 Ova Sus 49 14 0 00 89 5 0 35 1300 638 5 12 7 11 9 10 9 8 1 25 0 33 0 98 5 4 53 15 0 00 89 2 0 39 1400 609 0 14 0 12 2 11 9 9 1 2c SUegl cho Sub 60 1S 0 00 695
31. eer eater ert renee a te 31 Acknowledgements cccceeceeeeeeeeeeeceeeeeeeeeeeeeeaaaaaeeeeeeeeeeeaaaaaaeaeeeeeeeeeeesnscnaaeeeeeeeees 32 PP PEN DIG Ra ea aa EEE EE S E nian a e E E 34 iii Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 TXHPET User Manual List of Figures Main home page of the TXHPET network cecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 3 TXHPET network What is ET Web page ccccceeeeeeeeeeeeeeeeeeeeeeeteeeeeaees 4 TXHPET network Maps Web page ceeeeeeeeeeeneeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeenaaees 5 Station information page in Maps section of TXHPET network 0 6 TXHPET network data hourly file format cecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeanees 7 TXHPET network cumulative daily weather data output format 0 8 TXHPET network daily soil temperature data output format eeeeee 9 TXHPET network weather data section web page seeeeeeeeeeeeeeeeeeeeees 11 TXHPET network daily weather data station location pull down menu 12 TXHPET network weather data web page ccceeeeeeeeeeeeeeteeeeeeeeeeeeeees 13 TXHPET network weather da
32. erative Extension Amarillo Texas TXHPET User Manual The TXHPET Web Site This new web site provides a new database that offers access to meteorological data from all stations in the combined network for the entire period of record Through database query users can access any data item s from any station s for their period of interest Furthermore they can select daily data or hourly data and have the data retrieved and displayed in several formats They can opt to have the data presented in a spreadsheet friendly data table format a graphical format or a text file format for convenient viewing and downloading Users familiar with the old originally established network file formats of fx or prt daily data can access these formats as well The new array of data delivery formats and on line views accommodates preferences of a variety of our audiences and end users and provides immediate and direct access to the data Future TXHPET Developments Development of the TXHPET network is an ongoing effort by a working group of researchers and extension personnel of several participating and partnering agencies Our goal is to provide timely accurate crop water demand data primarily for use in improved irrigation scheduling to enhance water management and promote water conservation Meteorological data acquisition and quality assurance quality control instrumentation maintenance technical support and other related operations are
33. etwork The Texas North Plains and South Plains ET Networks are comprised of meteorological stations located throughout the Texas North Plains and South Plains region The two networks have been effectively combined to form the Texas High Plains ET Network Under the combined operations the TXHPET operates 18 meteorological stations located in 15 Texas counties and regional coverage is estimated at four million irrigated acres Additional meteorological stations representing a substantial increase in area coverage may be added to the TXHPET network in the future The network disseminates meteorological data including ET based crop water use information used by agricultural producers and consultants in irrigation scheduling on a daily basis Currently these data are disseminated primarily through fax and or on line web access to over 825 data users per day approx 300 000 downloads and faxes annually While these delivery mechanisms have served a valuable function they do not represent the updated electronic capabilities afforded by newer data management and delivery technologies Associate Professor Irrigation Texas Cooperative Extension and the Texas Agricultural Experiment Station Lubbock Texas Senior Research Engineer and Superintendent North Plains Research Field Texas Agricultural Experiment Station Amarillo Etter Texas Research Leader Water Management Unit USDA ARS Bushland Texas and Professor Irrigation Texas Coop
34. f the TXHPET These individuals are Dr John Sweeten TAES Amarillo Resident Director Dr Jaroy Moore TAES Lubbock Resident Director Dr R N Clark USDA ARS Bushland Laboratory Director Research Leader and Supervisory Agricultural Engineer Dr Bob Robinson TCE Amarillo Lubbock Regional Program Director Agriculture and Natural Resources Dr Don Topliff WTAMU Professor and Head Division of Agriculture Dr James Clark WTAMU Dean for the College of Agriculture Nursing and Natural Sciences Special thanks are also extended to the following partnering organizations that have contributed to the development of the North Plains and South Plains ET networks Their support is greatly appreciated Texas Corn Producers Board Texas Wheat Producers Board North Plains Water conservation District Panhandle Groundwater Conservation District High Plains Groundwater Conservation District 1 32 TXHPET User Manual The Texas High Plains Evapotranspiration Steering Committee includes Thomas Marek P E North Plains ET network manager TAES Amarillo Dr Dana Porter P E South Plains ET network manager TCE TAES Lubbock Dr Terry Howell P E Water Management Research Leader USDA ARS Bushland Leon New P E Professor and Irrigation Specialist TCE Amarillo David Bordovsky Research Scientist TAES Chillicothe Vernon Dr David Parker P E Associate Professor of Environmental Science and Engineering WTAMU Canyon
35. mowe link located next to the item information List Individual items v Added Information Average Soil Temp 2 Average Soil Temp s6 Time Range Maximum Soil Temp 2 Maximum Soil Temp 6 Minimum Soil Temp 2 Complete the following time range dys Minimum Soil Temp 6 Average Air Temp Start Date D End Date DiAvg Relative Humidity Max Relative Humidity Min Relative Humidity Units Avg Actual Vapor Pressure Max Actual Vapor Pressure Min Actual Vapor Pressure Select the units of measurement Avg Vapor Pressure Deficit Max Vapor Pressure Deficit Min Vapor Pressure Deficit Units Avg Solar irradiance Max Solar trradiance Max Wind Speed Output Method Avg Wind Speed Avg Wind Direction __ Std Dev of Wind Vector e Precipitation tn Figure 11 TXHPET network weather data parameter selection menu 14 TXHPET User Manual Time Range Most users are interested in data from a particular period of time certain dates an entire crop season 2 years etc The Time Range function is used to select the start and end dates for the period of interest Start and end dates are selected from a pull down menu Data are available for the length of record for each station in the networks Select Information Select a group or individual item of information from the following list and click the Add button You may add more than one item of information at a time If you wish to remove an item simply click the remove link locat
36. nd m s Citation of this document can be made as follows Porter D T Marek T Howell and L New 2005 The Texas High Plains Evapotranspiration Network TXHPET User Manual TAMU TAES Amarillo Agricultural Research and Extension Center Amarillo TX Publication AREC 05 37 37p DP THM THM 34
37. ns of the network are dependent upon whether base funding can be secured Data Users Data on this ste are currently ut zed by variety of clertele for many uses Our primary purpose is to provide timety relevant meteorological data for use in agricultural irrigation management and other associsted agricutural applications From the inception of the networks agricufural researchers producers and agricultural business consutants and service providers constiite the largest group s of the user clertele Progressively over time ockitional data features and applications inching lawn and turt water use estimates have been added to the network site greatly expanding our chentele base For more detal on data and applications see Deta Use and Corniiions of Use Conditions of Use Legal Notices Contact Us 2005 Texas ALM Univesity System Agcoultere Program Figure 1 Main home page of the TXHPET network TXHPET User Manual What is ET The What is ET tab directs the user to background information and additional crop water use information sources Additional materials and educational resources will be placed on this page in the near future WRITER What is evapotranspiration ET Evapotranspiration is a term that describes crop water demand by combining evaporation and transpiration Evaporation is the process through which water is removed from moist soil and wet surfaces such as dew on leaves Transpiration is
38. on schedi ing The data also are critical for management ard for interpreting resuts from the state s foremost agricubural research programs The data are essertial to the appbcation of numerous ogicuiural managemerd crop rested and water ute models The Texas High Plains ET Networks North Plains and South Plains networks were established in the 1990 s to provide convenient and timely access to ogiciAaly based meteorological Gate for use by producers ay icutural researchers ark others rterested in oyiculuraly relevart meteorological data Organization and Operation The Texas High Pisins Evapotranspration TXHPET Network is the product of excelent collaboration between engineers and scientists of the North Pains ET NPET Network based at Amarillo Texas arxi the South Plains ET SPET Network based at Lubbock Texas The network depends upon egricufural research and extension personnel to provide the best estimates of water use for reference ard crops grown within the region The respective networks are maintained and supported imternaty by Texas Agricutural Experiment Station and Texas Cooperative Extension Through valued and critical support funding trom our partners see CredtsPortners arki various grants over time this information is made avadable princely for agricultural rrigation scheduling purposes However many other app cations and user groups have supported and utilized the date since the TXHPET s inception Sustained future operatio
39. rt remove Farwell remove Select Information Select a group or individual item of information from the following list and click the Add button You may add more than one item of information at a time If you wish to remove an item simply click the remove link located next to the item Information List Individual Items e Added Information Time Range Figure 10 TXHPET network weather data web page 13 TXHPET User Manual Select Information The data information pull down menu lets the user add items to the query Please remember to click the Add button to complete each item selection Single or multiple data items of interest can be included in each data query The user should use judgment in the number of items added as too many will clutter a graph if chosen Added items may be de selected by using the remove link Maps Weather Data Credits Dally Weather Data Select a Location Select a location trom the following list and click the Add button You may add more than one location H you wish to remove 2 location simply click the remove link located next to the locaton Location List Bushland ARS Bushland ARS remove Added Locations Dalhart remove Farwell remove Select Information Select a group t individual Ham of intornation tom the following list and click the Add bution You may add morte than one Hem of information at 4 time If you wish to remove an item simply click tha se
40. ta parameter selection menu 0000 14 TXHPET network date selection Menu cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 15 TXHPET network units selection Menu ccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeees 16 TXHPET network data table output formal cccceeeeeeeeeeeeeeteeeeeeeeeeeeeees 17 TXHPET network data graphed output format ccceeeeeeeeeeeeeeeeeeeeeees 18 TXHPET network text file output format cceeeeeeeeeeeeeeeeeeneeeeeeeeeeeteees 19 TXHPET network advanced graphics section ccceeeeeeeeeeeeteeeeeeeeeeeeeees 20 TXHPET network hourly weather data SECTION ceeeeeeeeeeeeeeeteeeeeeeees 21 TXHPET network hourly time range selection section ceeeeeeeeeees 22 TXHPET network hourly data selection section eeeeeeeeeeeteeeeeeteees 23 TXHPET network hourly data table format ccceeeeeeeeeeeeeeteeeeeeeeeeeeeees 24 TXHPET network hourly data graph output format c eeeeeeeeeeeeeeeeeee 25 TXHPET network text output format eee eeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeneees 26 TXHPET network listserv front end page cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeees 27 TXHPET network listserv new user input section eeeeeeeeeeeeeeeeeeeeeees 28 TXHPET network user station Selection page cccccccceeeeeeeeeteeeeeeeeeeeeeees 29 Typical e mail delivery of TXHPET network selected files
41. tamu eduflstsery Google v G Search g K 236blocked F Check Autolink Pg options S TXHPET List Serv ET Station Data Email Service User Account Administration Login haa ia E S Modify Existing Register As New User Accouitt password Forgot Your Username or password Internet Figure 24 TXHPET network listserv front page 27 TXHPET User Manual The new user registration screen is shown below The user should fill in all applicable blanks Account data are used only to assess data applications and audiences and to provide a means of contacting users as needed for correction of data delivery problems User Management Add a User Microsoft Internet Explorer ER File Edit View Favorites Tools Help Q ax Q x a A JO search She Favorites O 2 Be X 3 Address a http amarillo2 tamu edujlistserv adduser php v Go Links 7 Google v G Search g E 236blocked F check Autolink E Autorii fal options User Management System Add a User User Information System Login Information First Name User Name Last Name l Password Business Information Occupation Business Name Zip Business Description Home Phone Business Contact Cell Phone Business Phone Email Address Business Fax Submit User Information Internet Figure 25 TXHPET network listserv new user input section 28 TXHPET User Manual Following successful submission
42. the process through which water is drawn up through the plant roots extract water from the soil and water is eventually removed through stomata on the leaves What is Reference ET PET Reference crop evapotranspiration also referred to as Potential Evapotranspiration PET is an estimate of water requirement for a well watered reference crop This reference crop grass or alfalfa ts essentially an idealized crop used as a basis for the ET model Reference ET is calculated by applying climate data temperature solar radiation wind humidity in a model equation It is helpful to note that reference ET is only an estimate of the water demand for this idealized crop based upon weather station data at a given location The Texas High Plains ET Network uses an idealized grass reference crop Figure 2 TXHPET network What is ET web page TXHPET User Manual Maps The Maps page indicates where stations are located and the coverage area Additional station locations will be added soon thereby increasing our coverage area and improving data coverage within our service area From the Maps page the user can access information from a specific meteorological station by clicking on a station location or selecting a station from the list to the right of the map Additional mapping tools are planned pending resource availability eS ee ee ee koi Maps Station Locations Cane mong of Uve Lagat Notices Cont
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