H54A:
Advances in Dryland Ecohydrology II

Friday, 19 December 2014: 4:00 PM-6:00 PM
Chairs:  Lixin Wang, Indiana University Purdue University Indianapolis, Indianapolis, IN, United States and Sujith Ravi, Temple University, Department of Earth and Environmental Sciences, Philadelphia, PA, United States
Primary Conveners:  Lixin Wang, Indiana University Purdue University Indianapolis, Indianapolis, IN, United States
Co-conveners:  Sujith Ravi, Stanford University, Department of Environmental Earth System Science, Stanford, CA, United States; Temple University, Department of Earth and Environmental Sciences, Philadelphia, PA, United States
OSPA Liaisons:  Lixin Wang, Indiana University Purdue University Indianapolis, Indianapolis, IN, United States

Abstracts Submitted to this Session:

4:00 PM
H54A-01
 
Using stable water isotopes in a two-layer soil moisture conceptual framework to understand transpiration dynamics in a semiarid shrubland
Daphne J. Szutu, Shirley A. Papuga and Rachel Wehr, University of Arizona, Tucson, AZ, United States
4:15 PM
H54A-02
 
Carbon Flux in Drylands: The Forgotten Dimensions?
John Wainwright and Laura Turnbull, Durham University, Geography, Durham, United Kingdom
4:30 PM
H54A-03
 
Effects of Elevated CO2 and Warming on Plant Productivity, Soil Moisture, and Plant Water-Relations in a Semi-Arid Grassland
Kevin E Mueller1, Dana M Blumenthal1, Elise Pendall2, David G Williams3, Dan R LeCain1 and Jack A Morgan1, (1)United States Department of Agriculture, Agricultural Research Service, Rangeland Resources Research Unit, CO, United States, (2)University of Western Sydney, Penrith, NSW, Australia, (3)University of Wyoming, Laramie, WY, United States
4:45 PM
H54A-04
 
Hydraulic Lift As a Determinant of Tree-Grass Coexistence on Savannas
Kailiang Yu and Paolo D'Odorico, University of Virginia Main Campus, Charlottesville, VA, United States
5:00 PM
H54A-05
 
Incorporating Dryland Ecohydrology into a Social–Ecological Framework: The Problem of Woody Plant Encroachment
Bradford Paul Wilcox, Texas A & M University, College Station, TX, United States
5:15 PM
H54A-06
 
Understanding Patterns of Water Use in a Dryland Woodland Using Stable Isotopes of Water and High-Resolution Dendrometers
Gerald F M Page1, Grzegorz Skrzypek1, Jeremy English2, Samuel Luccitti2, Robert D Archibald3 and Pauline F Grierson1, (1)University of Western Australia, Crawley, WA, Australia, (2)Rio Tinto, Perth, Australia, (3)Astron Environmental Services, East Perth, Australia
5:30 PM
H54A-07
 
The Coupling of Ecosystem Productivity and Water Availability in Dryland Regions
Russell L Scott1, Joel A Biederman1 and Greg Barron-Gafford2, (1)Agricultural Research Service Tucson, Tucson, AZ, United States, (2)University of Arizona, Tucson, AZ, United States
5:45 PM
H54A-08
 
Ecohydrologic coevolution in drylands: relative roles of vegetation, soil depth and runoff connectivity on ecosystem shifts.
Patricia M Saco, University of Newcastle, Callaghan, NSW, Australia, Mariano Moreno de las Heras, University of Durham, Durham, DH1, United Kingdom and Garry R Willgoose, University of Newcastle, Callaghan, Australia
 
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