73 Symposium--Advances in Sensor Systems for Modeling Evapotranspiration at Multiple Scales

Oral Session
ASA Section: Climatology & Modeling
Rapid development of reliable and low-cost networked field-based sensor systems is transforming water management in agricultural settings. Emerging systems are enabling development of water management decision support tools, effective management of large and small irrigated fields and equipment control. Wide adoption of these systems will require solving challenges integrating sensor data to improve modeling and mapping of evapotranspiration (ET) at local and field scales, development of robust sensor deployment strategies, and selection of appropriate sensor technologies. Presentations with linkages to topics solicited under co-sponsoring community 'Biophysical Measurements and Sensors' are especially encouraged. This symposium will focus on these topics with emphasis on sensor systems seeking effective water management.


Presentations on other related topics, including practical ways to design, deploy, and manage sensor networks and their data output are welcome.


Sensor-Based Water Management Community

Biophysical Measurements and Sensors Community
Evapotranspiration Measurement and Modeling Community

Monday, November 3, 2014: 1:00 PM-4:00 PM
Hyatt Regency Long Beach, Regency Ballroom F

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Community Leader:
Andrew N. French
Andrew N. French
Paul D. Colaizzi
1:00 PM
Introductory Remarks
1:05 PM
The Spatiotemporal Variability of Measured Soil Moisture Across Multiple Cropped Agricultural Fields.
Tyson Brant Raper, University of Tennessee; Derrick M. Oosterhuis, University of Arkansas; Edward M. Barnes, Cotton Incorporated; Darrin Dodds, Mississippi State University; Guy David Collins, University of Georgia - Tifton; Charles Monks, Auburn University; Jared Whitaker, University of Georgia; Michael A. Jones, Clemson University; Wesley M. Porter, University of Georgia & AL Cooperative Extension System
1:20 PM
Spatial ET Field Mapping Using Sensors Mounted on a Center Pivot.
Susan A O'Shaughnessy, USDA-ARS Conservation & Production Research Laboratory; Steven R. Evett, USDA-ARS
1:35 PM
Etc-Based Smartphone Aps for Scheduling Irrigation.
George Vellidis, University of Georgia; Vasilis Liakos, University of Georgia; Calvin Perry, University of Georgia; Michael A Tucker, UGA; Guy David Collins, University of Georgia - Tifton; John Snider, University of Georgia - Tifton; Jose H Andreis, University of Florida; Kati Migliaccio, University of Florida; Clyde W. Fraisse, University of Florida; Kelly Morgan, University of Florida; Edward M. Barnes, Cotton Incorporated
1:50 PM
Method to Calculate Soil Heat Flux That Accounts for Sunlit and Shaded Soil Beneath Row Crops.
Paul D. Colaizzi, USDA-ARS; Nurit Agam, Ben-Gurion University of the Negev; Steven R. Evett, USDA-ARS; William Kustas, USDA-ARS Hydrology and Remote Sensing Laboratory; Michael H. Cosh, USDA-ARS; Lynn McKee, USDA-ARS
2:05 PM
A Sensor Network Application for Measuring Crop Evapotranspiration in California's Central Valley.
Forrest Melton, NASA ARC-CREST / CSUMB; Kirk Post, NASA ARC-CREST/CSUMB; Christopher Lund, Decagon Devices, Inc.; Lee Johnson, NASA ARC-CREST/CSUMB
2:20 PM
Community Business Meeting
2:45 PM
Irrigation Control Using Field-Based Soil and Crop Sensor Systems.
Carolyn Hedley, Landcare Research NZ; Hamish Brown, Plant and Food Research; Pierre Roudier, Landcare Research; Jagath Ekanayake, Landcare Research
3:30 PM
Evaluation of Vegetation Index of Passive and Active Sensors for Estimating Crop Coefficients and Evapotranspiration.
Doug J. Hunsaker, USDA-ARS; Andrew French, USDA-ARS; Diaa El-Shika, USDA-ARS; Kelly Thorp, USDA-ARS
3:45 PM
Evapotranspiration Estimation Uncertainty from Wireless Temperature Sensor Data.
Andrew French, USDA-ARS; Doug J. Hunsaker, USDA-ARS; Kelly Thorp, USDA-ARS; Kevin F. Bronson, USDA-ARS
4:00 PM