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Aquifer diffusivity of the Ohio River alluvial aquifer by the flood-wave response method

August 1, 1973

Aquifer diffusivity (T/S) was calculated for 10 sites in the alluvial aquifer adjacent to the Ohio River by observing the response of the aquifer to a flood wave in the river. The calculated type curves matched the observed aquifer response reasonably well at eight of the 10 sites. The diffusivities ranged from 0.4 ft2 sec-1 to 10.3 ft2 sec-1 and were generally in agreement with diffusivity values calculated from pump-test methods at two of the sites. Interference from pumping 1/2 mile upstream from one site and localized aquifer inhomogeneity at another site precluded calculation of diffusivity. Determining the shape of the ground-water recession curve may be difficult, but it can be done satisfactorily by collecting water-level data during an extended period of ground-water discharge and transposing the average recession curve to the flood period being analyzed. The flood-wave response method for estimating aquifer diffusivity provides a relatively inexpensive
technique for obtaining a significant part of the data needed to predict the aquifer's response to river and pumping stresses.

Citation Information

Publication Year 1973
Title Aquifer diffusivity of the Ohio River alluvial aquifer by the flood-wave response method
Authors Harold H. Zehner, Hayes F. Grubb
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Research of the U.S. Geological Survey
Index ID 70161907
Record Source USGS Publications Warehouse