Chapter
Apr 26, 2012
Decadal Precipitation Variations and Inflows into Fort Cobb Reservoir, Oklahoma
Publication: World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns
Abstract
Changes in annual reservoir inflow and flood release volumes due to persistent multi-year dry or wet periods were investigated for the Fort Cobb Reservoir. A time-series analysis of the 1940–2004 annual precipitation revealed three dry and one wet period, called decadal variations. Corresponding strong variations were found in the reservoir inflow and flood release records. The sensitivity of watershed response, reservoir inflow and flood release volume to decadal precipitation variations suggested that water resources and water quality assessments in central Oklahoma should account for decadal precipitation variations. Along the same lines investigations based on numerical model simulations need to consider such climatic variations in the calibration, validation and application phase.
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Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Climates
- Engineering fundamentals
- Environmental engineering
- Floods
- Hydraulic engineering
- Hydraulic structures
- Inflow
- Meteorology
- Models (by type)
- Numerical analysis
- Numerical models
- Precipitation
- Reservoirs
- River engineering
- Rivers and streams
- Water and water resources
- Water management
- Water policy
- Water quality
- Water resources
- Water treatment
Authors
Affiliations
Jurgen D. Garbrecht
United States Department of Agriculture, Agricultural Research Service, Grazinglands Research Laboratory, 7207 West Cheyenne, El Reno, Oklahoma, 73036
Jeanne M. Schneider
United States Department of Agriculture, Agricultural Research Service, Grazinglands Research Laboratory, 7207 West Cheyenne, El Reno, Oklahoma, 73036
Michael W. Van Liew
United States Department of Agriculture, Agricultural Research Service, Grazinglands Research Laboratory, 7207 West Cheyenne, El Reno, Oklahoma, 73036
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