Drought Analysis in the Ohio River Basin

by Tiao J. Chang, Ohio Univ, Athens, OH, USA,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


This study formulates the drought series, including drought occurrence time, duration, and deficit volume by the use of daily streamflows and a tracer level of one-half mean value. The drought occurrence rate function which expresses the intensity of drought, is developed based on the theory of the time-dependent nonhomogeneous Poisson process. The plots of drought occurrence rate function for the data from the Ohio River Basin reveal significant variations of drought intensity that need to be considered in the regional water management.

Subject Headings: Droughts | Rivers and streams | Basins | Water resources | Streamflow | Probe instruments | Time dependence | Homogeneity | Ohio River | Ohio | United States

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