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United States Department of Agriculture

Agricultural Research Service

Research Project: IMPROVING WATER PRODUCTIVITY AND NEW WATER MANAGEMENT TECHNOLOGIES TO SUSTAIN RURAL ECONOMIES

Location: Soil and Water Management Research

Title: An integrated framework of operational ET remote sensing program for irrigation management in the Texas High Plains

Authors
item Gowda, Prasanna
item Marek, Thomas -
item Porter, Dana -
item Howell, Terry -
item Paul, George -
item Colaizzi, Paul

Submitted to: ASA-CSSA-SSSA Annual Meeting Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: July 10, 2013
Publication Date: November 3, 2013
Citation: Gowda, P., Marek, T., Porter, D.O., Howell, T.A., Paul, G., Colaizzi, P.D. 2013. An integrated framework of operational ET remote sensing program for irrigation management the the Texas High Plains [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 65-6.

Technical Abstract: Irrigated agriculture and management of limited groundwater are critical issues in the Texas High Plains where irrigation accounts for more than 90% of groundwater use. With low recharge rates, groundwater levels in the underlain Ogallala aquifer are declining at unsustainable rates. Daily field-scale evapotranspiration (ET) maps would significantly improve assessment of crop water requirements and irrigation scheduling, leading to more efficient use of limited water resources. Therefore, an integrated framework of operational ET remote sensing program for irrigation management in the Texas High Plains has been developed and currently being implemented. This paper presents a detailed methodology involved in the implementation of the above-mentioned integrated framework for deriving and distributing high resolution daily ET maps using climatic data from the Texas High Plains ET Network (TXHPET) and routinely available thermal remote sensing data. In addition, preliminary results and research needs for successfully implementing the proposed framework for providing high resolution ET maps to producers and groundwater management districts will be discussed.

Last Modified: 11/24/2014
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