Chapter
Apr 26, 2012
Comparison of Evapotranspiration Estimates from Remote Sensing (SEBAL), Water Balance, and Crop Coefficient Approaches
Authors: Bryan Thoreson, Ph.D., Byron Clark, Richard Soppe, Ph.D., Andy Keller, Ph.D. [email protected], Wim Bastiaanssen, Ph.D., and John Eckhardt, Ph.D. [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
Three independent approaches were applied to estimate annual evapotranspiration (ET) for the Imperial Irrigation District of Southern California for the 1998 water year (October 1997 to September 1998). These approaches included remote sensing (Surface Energy Balance Algorithm for Land, SEBAL®), a district-wide water balance with ET as the closure term, and a dual crop coefficient approach based on the procedures of FAO Irrigation and Drainage Paper No. 56 with refinements to account for field-specific irrigation frequency. Differences between annual ET from each independent ET estimation approach are evaluated relative to estimated confidence intervals.
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Published In
World Environmental and Water Resources Congress 2009: Great Rivers
Pages: 1 - 15
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Agriculture
- Comparative studies
- Crops
- Drainage
- Engineering fundamentals
- Evaporation
- Evapotranspiration
- Hydrologic engineering
- Hydrologic properties
- Hydrology
- Infrastructure
- Irrigation
- Irrigation districts
- Irrigation engineering
- Light rail transit
- Measurement (by type)
- Methodology (by type)
- Rail transportation
- Research methods (by type)
- Sensors and sensing
- Surface drainage
- Transportation engineering
- Water and water resources
- Water balance
Authors
Affiliations
Bryan Thoreson, Ph.D.
P.E.
M.ASCE
Davids Engineering, Inc., 1772 Picasso Avenue, Suite A, Davis, CA 95618, www.sebal.us.
Byron Clark
P.E.
M.ASCE
Davids Engineering, Inc., 1772 Picasso Avenue, Suite A, Davis, CA 95618, www.sebal.us.
Richard Soppe, Ph.D.
WaterWatch, Generaal Foulkesweg 28A, 6703 BS Wageningen, The Netherlands, www.waterwatch.nl.
Keller-Bliesner Engineering, LLC, Vice President, 78 East Center, Logan, UT 84321. E-mail: [email protected]
Wim Bastiaanssen, Ph.D.
WaterWatch, Generaal Foulkesweg 28A, 6703 BS Wageningen, The Netherlands, www.waterwatch.nl.
Imperial Irrigation District, Executive Program Manager, QSA-IID/SDCWA Water Transfer, 333 East Barioni Boulevard, Imperial, CA 92251. E-mail: [email protected]
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