ET Workshop: Using the Best Science to Estimate Consumptive Use
March 12th, 2010
Historical evolution of ET estimation methods
Marvin Jensen, ARS/CSU retired
Download: • PDF • Powerpoint
Crop coefficients for Colorado: the Rocky Ford lysimter
Allan Andales, CSU
Download: • PDF • Powerpoint
Software for consumptive use calculations — IDS CU and State CU
Luis Garcia, CSU and Ray Alvarado, CDWR
Garcia: • PDF • Powerpoint
Alvarado: • PDF • Powerpoint
CDWR view of ET calculation methods
Dick Wolfe, State Engineer with CDWR
Unavailable
Colorado weather data for Penman-Monteith ET calculations — CoAgMet and Northern Water weather networks
Nolan J. Doesken, Colorado State Climatologist and Mark Crookston, NCWCD
Doesken: • PDF • Powerpoint
Crookston: PDF • Powerpoint
Calibration of historical crop ET estimates
Thomas Ley, CDWR and Ivan A. Walter, Ivan's Engineering
Ley: • PDF • Powerpoint
Walter: • PDF • Powerpoint
Additional Resources
Marvin Jensen
Historical ET Estimating Methods
Download: • PDF
Evaporation from Water Surfaces
Download: • PDF
Ivan Walter
Coagmet QC and ET calculations
Instructions: PDF
XXX COAG.xls: XLSX
ETRETO_File Folder
ETRETOH 2.exe: EXE
COEFHGRV.dat: DAT
XXX.etr: ETR
XXXT&P.prn: PRN
HGRV_COEF Folder
Colcrbte.exe: EXE
XXX COAG Rgsn.xls: XLS
XXXEtr.out: OUT
XXXEtrData.prn: PRN
Text Data Folder
Ra365.exe: EXE
Ra366.exe: EXE
RA365.out: OUT
RA366.out: OUT
The Colorado Agricultural Meteorological Network (CoAgMet) and Crop ET Reports, Irrigation Crop Series, no 4.723, October, 2009
Allan Andales, Troy Bauder and Nolan Doesken
Download: • PDF