H51J:
Advances in Ecohydrology of Water-Stressed Environments I

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Session ID#: 16845

Session Description:
Water-stressed environments include naturally occurring drylands and any ecosystem experiencing droughts. Drylands cover more than 40% of the terrestrial land surface and home to at least 2 billion people. The provisioning of ecosystem services in drylands is governed by water availability. Thus water is fundamental to sustain ecosystem functions in water-stressed environments, where a tight coupling exists between water availability, ecosystem productivity, surface energy balance, and biogeochemical cycles. Both physical (e.g., CO2, temperature) and anthropogenic factors (e.g. land use, energy development) are increasingly affecting the dryland water dynamics. We welcome submissions focusing on the ecohydrological processes/feedbacks in water-stressed environments and their implications on a broad range of issues including ecosystem change, land use change, water resources, desertification, and food-energy-water nexus.
Primary Convener:  Abinash Bhattachan, North Carolina State University Raleigh, Raleigh, NC, United States
Conveners:  Prof. Lixin Wang, PhD, Indiana University Indianapolis, Department of Earth and Environmental Sciences, Indianapolis, United States, Sujith Ravi, Temple University, Earth & Environmental Science, Philadelphia, PA, United States and Kailiang Yu, University of Virginia, Charlottesville, United States
Chairs:  Abinash Bhattachan, North Carolina State University Raleigh, Raleigh, NC, United States and Sujith Ravi, Temple University, Earth & Environmental Science, Philadelphia, PA, United States
OSPA Liaison:  Sujith Ravi, Temple University, Earth & Environmental Science, Philadelphia, PA, United States

Cross-Listed:
  • A - Atmospheric Sciences
  • B - Biogeosciences
  • EP - Earth and Planetary Surface Processes
  • GC - Global Environmental Change
Index Terms:

1807 Climate impacts [HYDROLOGY]
1809 Desertification [HYDROLOGY]
1813 Eco-hydrology [HYDROLOGY]
1843 Land/atmosphere interactions [HYDROLOGY]

Abstracts Submitted to this Session:

Impacts of hydraulic redistribution on overstory-understory interactions in a semiarid savanna (170572)
Greg Barron-Gafford1, Rebecca L. Minor2, Sean M Hendryx3, Esther Lee4, Leland Sutter Jr2, Anthony Colella5, Patrick Murphy6, Enrique P. Sanchez-Canete7, Erik P Hamerlynck8, Praveen Kumar9 and Russell L Scott10, (1)University of Arizona, School of Geography, Development & Environment, Tucson, AZ, United States, (2)University of Arizona, School of Geography & Development, Tucson, AZ, United States, (3)University of Arizona, School of Information, Tucson, AZ, United States, (4)University of Florida, Gainesville, United States, (5)University of Arizona, Tucson, AZ, United States, (6)University of Arizona, Geosciences, Tucson, AZ, United States, (7)University of Granada, Applied Physics, Granada, Spain, (8)USDA-ARS, Tucson, AZ, United States, (9)University of Illinois at Urbana Champaign, Urbana, United States, (10)Agricultural Research Service Tucson, Tucson, AZ, United States
Implications of Topographically Induced Variations in Solar Radiation for Water Balance, Vegetation and Soil Development. (189013)
Mark S Seyfried, USDA-ARS, Northwest Watershed Research Center, Boise, United States, Gerald N Flerchinger, USDA Agriculture Research Service, Northwest Watershed Research Center, Boise, ID, United States, Dr. Timothy E Link, PhD, University of Idaho, forest resources, Moscow, ID, United States and Jim P McNamara, Boise State University, Department of Geosciences, Boise, ID, United States
Measuring Distributed Land Surface States within the Flux Footprint Improves Land-Atmosphere Relations in Two Semiarid Ecosystems (Invited) (123342)
Enrique R Vivoni, Arizona State University, School of Sustainable Engineering and the Built Environment, Tempe, AZ, United States
Vegetation Cover based on Eagleson’s Ecohydrological Optimality in Northeast China Transect (NECT) (196807)
Zhentao Cong1, Kangle Mo2, Li Qinshu1 and Lexin Zhang3, (1)Tsinghua University, Department of Hydraulic Engineering, Beijing, China, (2)Nanjing Hydraulic Research Institute, Nanjing, China, (3)Tsinghua University, Beijing, China
Ecohydrology of the different photosynthetic pathways and implication for sustainable agriculture (Invited) (120498)
Amilcare M Porporato1, Mark S Bartlett Jr1,2 and Dr. Samantha R Hartzell1, (1)Duke University, Civil and Environmental Engineering, Durham, NC, United States, (2)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States
Field Scale Hydrologic Classification in a Dryland Cereal Production Agroecosytem using Distributed Hydrologic Modeling (189919)
Erin S Brooks1, Matthew Allen Yourek2, David J Brown3, Matteo Poggio3 and Caley Gasch4, (1)University of Idaho, Department of Soil and Water Systems, Moscow, United States, (2)University of Idaho, Moscow, ID, United States, (3)Washington State University, Crop and Soil Sciences, Pullman, WA, United States, (4)Washington State University, Pullman, WA, United States
Drought-related leaf phenology in tropical forests – Insights from a stochastic eco-hydrological approach (135755)
Giulia Vico, SLU Swedish University of Agricultural Sciences Uppsala, Uppsala, Sweden, Xue Feng, University of Minnesota Twin Cities, Department of Civil, Environmental, and Geo-Engineering and Saint Anthony Falls Laboratory, Minneapolis, United States, David Dralle, USDA Forest Service, Pacific Southwest Research Station, Davis, United States, Sally E Thompson, University of California Berkeley, Civil and Environmental Engineering, Berkeley, CA, United States and Stefano Manzoni, Stockholm University, Stockholm, Sweden

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