34 Modeling Evapo-Transpiration and Energy Balances in Crops and Soils

Oral Session
A03 Agroclimatology & Agronomic Modeling
Papers will address quantification of energy and matter transfer in agro-ecological systems. Papers on model and theory development, and measurement systems are invited.
Monday, November 2, 2009: 1:25 PM-4:05 PM
Convention Center, Room 326, Third Floor

Dennis Timlin
1:25 PM
Introductory Remarks
1:45 PM
Evapotranspiration of Irrigated and Dryland Cotton Fields Determined Using Eddy Covariance and Penman-Monteith Methods.
Nithya Rajan, Texas Tech Univ.; Stephan Maas, Texas Tech Univ.; James Chacko Kathilankal, Oregon State Univ.
2:00 PM
A Dual-Temperature-Difference Approach to Estimate Daytime Sensible and Latent Heat Fluxes Under Advective Conditions During BEAREX08.
Paul Colaizzi, USDA-ARS; William Kustas, USDA-ARS; Steven Evett, USDA-ARS; Terry Howell, USDA-ARS; Prasanna Gowda, USDA-ARS
2:15 PM
Satellite-Based near Real-Time Assessment of Water Requirement of California Crops.
Dong Wang, USDA-ARS, Water Manage. Res.; Thomas Trout, USDA-ARS, Water Manage. Res.; Lee Johnson, NASA Ames Res. Center; Jim Gartung, USDA-ARS, Water Manage. Res.
2:30 PM
2:45 PM
Automated Calibration Methods Improve Estimation of Soil Hydraulic Parameters for Soil Water Dynamics and Evaporation.
Quan-Xiao Fang, Chinese Academy of Sciences; Timothy Green, USDA-ARS; Liwang Ma, USDA-ARS; Robert Malone, USDA-ARS; R.H. Erskine, USDA-ARS; Patricia Bartling, USDA-ARS; Lajpat Ahuja, USDA-ARS
3:00 PM
An Estimation of the Lagrangian Length Scale within a Plant Canopy.
Shannon Brown, Univ. of Guelph; Jon Warland, Univ. of Guelph; Eduardo Santos, Univ. of Guelph; Claudia Wagner-Riddle, Univ. of Guelph; Meaghan Wilton, Univ. of Guelph
3:15 PM
Alfalfa Canopy Resistance From Lysimetric and Radiometric Measurements.
Robert Lascano, USDA-ARS, Cropping Systems Res. Lab.; Cornelius van Bavel, Texas A&M Univ.; Steven Evett, USDA-ARS
3:30 PM
Atmospheric Stability Measurements at a Swine Facility and An Adjacent Corn Field in Iowa.
Guillermo Hernandez, USDA-ARS, Natl. Soil Tilth Lab.; Thomas Sauer, USDA-ARS, Natl. Soil Tilth Lab.; Jerry Hatfield, USDA-ARS, Natl. Soil Tilth Lab.; John Prueger, USDA-ARS, Natl. Soil Tilth Lab.
3:45 PM
Diel and Seasonal Dynamics of Ammonia Emissions From Cattle Feedyards.
Richard Todd, USDA-ARS; N. Andy Cole, USDA-ARS; R. Nolan Clark, USDA-ARS
4:00 PM
Concluding Remarks
4:05 PM