An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Environmental Modeling Community of Practice

Evapotranspiration Calculator Desktop Tool

The Evapotranspiration Calculator estimates evapotranspiration time series data for hydrological and water quality models. The tool was developed specifically for the Hydrologic Simulation Program - Fortran (HSPF) and the Stormwater Management Model (SWMM), but can be used with other models if they use time series ET data as input.

Specifications
Current Version: 1.0 Pre-release
Release Date: January 2016
Development Status: Pre-Release
Development Information: A revised release notes will be included with the final ET Tool release.
Operating System: Windows 7, or Windows 8, or Windows 10
Development Language: C#
Intended Audience: Evapotranspiration modelers, watershed scientists
Key Words: evapotranspiration, et tool, hamon, morton, penman-montieth daily, penman-montieth hourly, priestly-taylor, shuttleworth-wallace, class-a pan penpan, open surface penman, granger-gray, morton-crwe, mcjannett-penman-montieth, NLDAS, GLDAS,
Related Web Sites: https://19january2021snapshot.epa.gov/ceam/evapotranspiration-calculator-etc
Text Files (ASCII Format)
File Name File Description
abstract.txt will be added later Summary of functions, theory, and applicability.
readme.txt will be added later

installation instructions.

  • Extract the ETModels folder onto your C:\Tools\ directory.
  • Open the ETModels project in Visual Studio 2013.
  • Run the executable from the folder ETModels\ETToolsDesktop\bin\Debug\ETModelsDesktop.exe
Download Files
File Type /
Priority
File Name /
Format /
Size
File Description
Install /
Required
 ET Tool /
Zipped file /
 
Setup file for version 1.0 of the desktop tool. This zip file is located on www3 during internal and external review. It will be uploaded into Drupal once the review is passed.