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Application of MODIS and Landsat based evapotranspiration for western states water management

Date

2006-10

Authors

Tasumi, Masahiro, author
Allen, Richard G., author
Trezza, Ricardo, author
Morse, Anthony, author
Kramber, William, author
U.S. Committee on Irrigation and Drainage, publisher

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Abstract

The METRIC evapotranspiration (ET) estimation model was applied using MODIS (Moderate Resolution Imaging Spectroradiometer) satellite images in New Mexico to evaluate the applicability of MODIS images to ET estimation and water resources management. With the coarse resolution of MODIS (approximately 1km thermal resolution), MODIS was not found to be suitable for field-scale applications. In project and regional scale applications, MODIS has potential to contribute to ET estimation and water resources management. MODIS based ET maps for New Mexico were compared with Landsat based results for 12 dates. Average ET calculations using MODIS and Landsat applications were similar, indicating that MODIS images can be useful as an ET estimation tool in project and regional scale applications.

Description

Presented at Ground water and surface water under stress: competition, interaction, solutions: a USCID water management conference on October 25-28, 2006 in Boise, Idaho.

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