GC11E:
Natural and Anthropogenic Drivers of Hydroclimatic Change in Western North America I

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Session ID#: 15646

Session Description:
Water resources in western North America are increasingly vulnerable to drought, increased consumptive water use, and climate change. Water management must meet the challenges of both greater water demands and changing water supplies. Research in areas as diverse as groundwater hydrology, baseflow modeling, land surface feedbacks on runoff, and ocean/atmosphere effects on hydroclimate can help inform water resource management.  Modeling and observational studies, along with paleoclimatic research, continue to improve the basic understanding of hydroclimatic and hydrologic variability, while collaboration with resource managers has resulted in research relevant to planning and management concerns.  Anthropogenic activities add complexity and create an urgency to better understand climatic and anthropogenic impacts on water resources. Recent events such as the California drought, groundwater overpumping, and the drawdown of western reservoirs, all provide a compelling case for an interdisciplinary session addressing these challenges in western North America.
Primary Convener:  Connie A Woodhouse, University of Arizona, School of Geography, Development, and Environment, Tucson, AZ, United States
Conveners:  Stephanie A McAfee, USGS Southwest climate adaptation science center, Reno, United States, Adam Z Csank, Desert Research Institute Reno, Reno, NV, United States; University of Nevada Reno, Department of Geography, Reno, United States and Gregory J McCabe Jr, USGS, Denver, CO, United States
Chairs:  Connie A Woodhouse, University of Arizona, School of Geography, Development, and Environment, Tucson, AZ, United States and Adam Z Csank, Desert Research Institute Reno, Reno, NV, United States; University of Nevada Reno, Department of Geography, Reno, United States
OSPA Liaison:  Adam Z Csank, Desert Research Institute Reno, Reno, NV, United States; University of Nevada Reno, Department of Geography, Reno, United States
Co-Organized with:
Paleoceanography and Paleoclimatology, Paleoceanography and Paleoclimatology, and Hydrology

Cross-Listed:
  • A - Atmospheric Sciences
  • H - Hydrology
  • PP - Paleoceanography and Paleoclimatology
  • SI - Societal Impacts and Policy Sciences

Proposed Co-Organized Session with:
  • H - Hydrology
  • PP - Paleoceanography and Paleoclimatology
Index Terms:

1616 Climate variability [GLOBAL CHANGE]
1833 Hydroclimatology [HYDROLOGY]
1860 Streamflow [HYDROLOGY]
1880 Water management [HYDROLOGY]

Abstracts Submitted to this Session:

Western Water and Climate Change--An Overview (Invited) (119171)
Michael D Dettinger, U.S. Geological Survey, Carson City, NV, United States, Bradley Hunt Udall, Colorado State University, Fort Collins, United States and Aris P. Georgakakos, Georgia Institute of Technology Main Campus, Georgia Water Resources Institute, Georgia Tech, Atlanta, GA, United States
Past, present, and future western North American drought in models and paleoclimate data (148283)
Kevin J. Anchukaitis, University of Arizona, Laboratory of Tree-Ring Research, Tucson, AZ, United States, Benjamin I Cook, NASA Goddard Institute for Space Studies, New York, NY, United States and Edward R Cook, Lamont-Doherty Earth Observatory, Tree-Ring Laboratory, Palisades, NY, United States
Projected run-off changes for the semi-arid South Saskatchewan River Basin, Alberta, Canada, in NARCCAP and CORDEX RCM data (169119)
Jeannine-Marie St-Jacques1, Iuliia Andreichuk2, Elaine Barrow2 and David Sauchyn3, (1)Concordia University, Geography, Planning and Environment, Montreal, QC, Canada, (2)University of Regina, Prairie Adaptation Research Collaborative, Regina, SK, Canada, (3)University of Regina, Prairie Adaptation Research Collaborative (PARC), Regina, SK, Canada
Streamflow Outlooks for Southwestern Rivers in a Changing Climate (161747)
David S Gutzler1, John Carilli2, Justin Norris1, Justin O'Shea1, Yujin Sung1 and Manuel Salgado3, (1)Univ New Mexico, Albuquerque, NM, United States, (2)Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States, (3)Texas A&M University College Station, College Station, TX, United States
Building Quantitative Hydrologic Storylines from Process-based Models for Managing Water Resources in the U.S. Under Climate-changed Futures (129437)
Dr. Jeffrey Richard Arnold1, Ethan D Gutmann2, Martyn P Clark3, Bart Nijssen4, Julie A Vano5, Nans Addor6, Andrew W Wood5, Andrew James Newman7, Naoki Mizukami2, Levi D Brekke8, Roy Rasmussen7 and Pablo A. Mendoza5, (1)U.S. Army Corps of Engineers, Climate Preparedness and Resilience Programs, Seattle, WA, United States, (2)NSF National Center for Atmospheric Research, Boulder, United States, (3)National Center for Atmospheric Research, Boulder, United States, (4)University of Washington Seattle Campus, Seattle, WA, United States, (5)National Center for Atmospheric Research, Boulder, CO, United States, (6)National Center for Atmospheric Research, Hydrometeorological Applications Program, Research Applications Laboratory, Boulder, CO, United States, (7)University Corporation for Atmospheric Research, Boulder, CO, United States, (8)Bureau of Reclamation, Research and Development, Denver, United States
Water Demand Management Strategies and Challenges in the Upper Colorado River Basin (Invited) (122324)
Richard Eric Kuhn, Colorado River Water Conservation District, Glenwood Springs, CO, United States
Water Cycle Implications of Agriculture and Flood Control Infrastructure in the San Francisco Bay-Delta System (153799)
Lissa J MacVean, University of California Berkeley, Berkeley, CA, United States, Sally E Thompson, University of California Berkeley, Civil and Environmental Engineering, Berkeley, CA, United States, Murugesu Sivapalan, University of Illinois at Urbana Champaign, Department of Civil and Environmental Engineering, Urbana, United States and Paul Hutton, Metropolitan Water District Los Angeles, Los Angeles, CA, United States
Declining runoff efficiency in the Southwestern US and implications for forecasting and water management (179696)
Flavio Lehner1, Andrew W Wood1, Dagmar Llewellyn2 and Douglas B Blatchford3, (1)National Center for Atmospheric Research, Boulder, CO, United States, (2)United States Bureau of Reclamation, Albuquerque, NM, United States, (3)Bureau of Reclamation Boulder City, Boulder City, NV, United States

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