Chapter
Apr 26, 2012
Analysis of 5-Years of WSR-88D Data over the Mississippi River Basin
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
We analyzed WSR-88D radar-rainfall estimates over the Mississippi River Basin for the period 1996–2000 at the time scale of individual events using data from over 900 rain gages that were not used in real-time adjustment of the rain rate estimates. In this paper we present an evaluation of a radar-rainfall dataset produced for the Global-Continental scale International Project (GCIP). The GCIP data were adjusted using a tuned Z-R relation to improve performance at the time scale of individual storms. Correlation between rain gage observations and the radar-rainfall estimates were computed for each RFC over the period of record analyzed. Large geographical difference in the accuracy of weather-radar rainfall estimates were quantified. Results indicate that primary indicators of radar-rainfall estimation accuracy are the number of overlapping radars, distance from radar to gage, and elevation of the gage.
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Information & Authors
Information
Published In
World Environmental and Water Resources Congress 2008: Ahupua'A
Pages: 1 - 10
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Basins
- Bodies of water (by type)
- Climates
- Correlation
- Data analysis
- Engineering fundamentals
- Environmental engineering
- Equipment and machinery
- Hydrologic data
- Hydrologic engineering
- Hydrology
- Mathematics
- Meteorology
- Methodology (by type)
- Precipitation
- Radar
- Rainfall
- Research methods (by type)
- River engineering
- Rivers and streams
- Statistics
- Storms
- Water and water resources
- Water management
Authors
Affiliations
Roy & Caryl Cline Distinguished Chair of Engineering, Environment, and Natural Resources, Department of Civil & Architectural Engineering, University of Wyoming, Laramie, WY 82071,. E-mail: [email protected]
Michael J. Rogalus, III
McLane Environmental, LLC, 707 Alexander Rd., Suite 206, Princeton, NJ 08540
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