Western Surface Climate and Streamflow and the El Nino/Southern Oscillation

by Kelly T. Redmond, Western Regionals Climate Cent, Reno, United States,
Roy W. Koch, Western Regionals Climate Cent, Reno, United States,

Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H?AL)


Climate variability has direct social and economic impacts the most direct of which occur through the hydrologic cylce. Of primary concern to society are the hydrologic extremes of floods and droughts. An improved knowledge of climate variability and its relationship to hydrologic variability is a first step in better planning, design and operation of the systems which are both directly and indirectly dependent. In considering climatic and hydrologic varibility, there are many aspects which can be addressed. In this study we focus our analysis on the spatial patterns of variability of surface climate (precipation and temperature) and streamflow across the western United States and the relationship of these patterns to a large scale circulation in the atmosphere, the Southern Oscillation.

Subject Headings: Climate change | Streamflow | Hydrology | Oscillations | Climates | Temperature effects | Spatial distribution | United States

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