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National Science Foundation Award #0504770

Late 20th Century Hydrologic Change in Western North America: Regional Impacts and the Role of Climate

 
Investigator(s): Shaleen Jain (PI)
Sponsor: University of Colorado at Boulder, CO 80309 3034926221
Start Date/Expiration Date 2005-07-01 to 2006-06-30 (amended 2005-06-28)
Awarded Amount to Date: $88,912
Abstract: Hydroclimatic variations and change directly impact the freshwater supplies in western North America. Streamflow in this region has shown increased variability of annual flow volumes and increasing synchroneity in the largest basins in the west towards the end of last century. As land-use change seems to play a lesser role, the PI will study the sensitivity of the western North American winter precipitation and related streamflow to El Nino-Southern Oscillation variations. The PI will use observations and multi-model ensemble integrations to study the decadal variations. The broader impact of this project will be an increase of the scientific knowledge required in water resources management.
NSF Org: ATM - Division of Atmospheric Sciences
Award Number: 0504770
Award Instrument: Continuing grant
Program Manager: Jay S. Fein
ATM Division of Atmospheric Sciences
GEO Directorate for Geosciences
NSF Program(s): CLIMATE & LARGE-SCALE DYNAMICS
Field Application(s): Other nsf.applications NEC
Program Reference Code(s): LARGE-SCALE DYNAMIC METEOROLOG, 1527
UNASSIGNED, 0000
Program Element Code(s): 5740