342 Linked Non-Linear Processes at the Soil/Plant/Atmosphere Continuum

Oral Session
S01 Soil Physics Various mass and energy transport processes in the unsaturated zone are complex, linked, and nonlinear. Predicting total water transport within the vadose zone requires a profound understanding of the coupling between microscopic water flow processes toward roots and the controls exerted by plants on water flow toward the atmosphere. This session seeks developments on theory, measurement, and modeling efforts to strengthen our understanding on linked nonlinear processes associated with soil/water/plant interactions at different space and time scales, and for bare and arable soils under different ecosystems.

Cosponsor(s):

Soil Physics, Z03 Canadian Society of Soil Science
Wednesday, October 19, 2011: 8:00 AM-12:00 PM
Henry Gonzalez Convention Center, Room 007C

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Organizers:
Manoj Shukla , Bing Cheng Si , Miles Dyck and Harry Vereecken
Presiders:
Manoj Shukla , Bing Cheng Si , Miles Dyck and Harry Vereecken
8:10 AM
Root Water Uptake Under Deficit Irrigation: Model Calibration and Comparison.
Leilah Krounbi, Ben-Gurion University of the Negev; Jirka Simunek, University of California-Riverside; Andrew Hinnell, University of Arizona; Naftali Lazarovitch, Ben-Gurion University of the Negev
8:25 AM
Numerical Simulation of Water Fluxes In the Root Zone of An Irrigated Mature Pecan Orchard.
Sanjit Deb, New Mexico State University; Manoj Shukla, New Mexico State University; John Mexal, New Mexico State University
8:40 AM
Root Water Uptake Measurements At the Field Scale by TDR and ERT.
Laure Beff, Université catholique de Louvain; Thomas Gnther, Leibniz Institute for Applied Geophysics; Mathieu Javaux, Universite Catholique de Louvain
8:55 AM
Quantifying the Effect of Climate On Root Water Uptake Reduction Due to Salinity.
Thomas Groenveld, Ben-Gurion University of the Negev; Alon Ben-Gal, Agricultural Research Organization; Eviatar Ityel, Ministry of Agriculture; Uri Yermiyahu, Agricultural Research Organization; Naftali Lazarovitch, Ben-Gurion University of the Negev
9:10 AM
Effect of Soil Structure and Spatial Heterogeneity On Biodegradation Processes.
Bhavna Arora, Texas A&M University; Binayak Mohanty, Texas A&M University; Jennifer T. McGuire, University of St. Thomas
9:25 AM
Evaluation of Hydraulic Properties of a Frozen Soil Based On Observed Unfrozen Water Contents At the Freezing Front.
Kunio Watanabe, Mie University; Tetsuya Kito, Mie University; Nobuo Toride, Mie University; Martinus van Genuchten, Federal University of Rio de Janeiro
9:40 AM
10:00 AM
Additive State-Space Model for Decomposing Variation At Different Scales: Opportunities for Experiments In Variable Landscapes.
Ole Wendroth, University of Kentucky; Christopher Matocha, Univ. of Kentucky; Lloyd Murdock, University of Kentucky
10:15 AM
Special Boundary Conditions In HYDRUS (2D/3D) for Irrigation Systems.
Jirka Simunek, University of California-Riverside; Miroslav Sejna, PC Progress, Inc.; Maziar Kandelous, University of California Davis; Naftali Lazarovitch, Ben-Gurion University of the Negev; Martinus van Genuchten, Federal University of Rio de Janeiro
10:30 AM
Simulation of Soil Water and Soil Temperature of Siberian Wildrye Grassland In Winter Using the RZ-SHAW Model.
Zizhong Li, China Agricultural University; Liwang Ma, Agricultural Systems Research Unit; Gerald Flerchinger, USDA-ARS; Lajpat Ahuja, Agricultural Systems Research Unit; Hao Wang, China Agricultural University
10:45 AM
Gas Diffusivity-Based Analysis of Tomato Growth Media.
Chamindu Deepagoda T.K.K., Aalborg University; Per Moldrup, Aalborg University; Markus Tuller, University of Arizona; Mette Pedersen, Aalborg University; Lis de Jonge, Aarhus University; Per Schjnning, Aarhus University; Ken Kawamoto, Saitama University; Toshiko Komatsu, Saitama University
11:00 AM
Water Content and Fruit Yield Under Different Levels of Irrigation From a Raised-Bed Substrate Trough System for Strawberries.
Dong Wang, USDA-ARS; Tom Sjulin, Horticultural Consulting; Dan Legard, California Strawberry Commission
11:15 AM
Thermal Properties of Desert Soils Irrigated with Industrial and Municipal Wastewater.
Pradip Adhikari, New Mexico State University; Manoj K. Shukla, New Mexico State University; John G. Mexal, New Mexico State University
11:30 AM
Nitrate-Nitrogen Leaching From Three Specialty Crops of New Mexico Under Furrow Irrigation System.
Parmodh Sharma, Teaxs A&M University; Manoj Shukla, New Mexico State University; Theodore Sammis, New Mexico State University
12:00 PM
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