Muskingum Basin Reservoir Pool Frequency Analysis

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by Surya Bhamidipaty, Corps of Engineers, Huntington, United States,
Jerry W. Webb, Corps of Engineers, Huntington, United States,

Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract: The purpose of the study was to develop a consistent and defendable elevation frequency analysis of pool elevations for sixteen reservoirs within the basin. A significant level of interest has been expressed over encroachments over time into the easements of reservoirs within the basin. Current policies have resulted in the movement of some dwellings and additional sites will be moved unless constraints on pool usage can be developed that will allow dwellings to remain in the flood control pool. The procedure incorporated a systematic design storm approach involving generation of hypothetical rainfall events for each project in the Muskingum Basin; graphical extrapolation for extreme storm events from generally accepted synthetic all season point rainfall frequencies; and evaluation of representative antecedent precipitation conditions through a review of historical storm infiltration rates for each project site. The limitations and lessons learned through this traditional approach and absence of reliability studies for the stochastic methods exemplify the challenge to today's hydrologic engineer in the assessment of regional frequency analysis.

Subject Headings: Frequency analysis | Reservoirs | Storms | Rainfall frequency | Recharge basins | Retention basins | Graphic methods |

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