Investigation of trends in flooding in the Tug Fork basin of Kentucky, Virginia, and West Virginia

Hirsch, Robert M.; Scott, Arthur G.; Wyant, Timothy

Abstract:

Statistical analysis indicates that the average size of annual-flood peaks of the Tug Fork (Ky., Va., and W. Va.) has been increasing. However, additional statistical analysis does not indicate that the flood levels that were exceeded typically once or twice a year in the period 1947-79 are any more likely to be exceeded now than in 1947. Possible trends in streamchannel size also are investigated at three locations. No discernible trends in channel size are noted. Further statistical analysis of the trend in the size of annual-flood peaks shows that much of the annual variation is related to local rainfall and to the ‘natural‘ hydrologic response in a relatively undisturbed subbasin. However, some statistical indication of trend persists after accounting for these natural factors, though it is of borderline statistical significance. Further study in the basin may relate flood magnitudes to both rainfall and to land use.

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USGS Numbered Series

ProdID:

1890

Citation Author:

Hirsch, Robert M.; Scott, Arthur G.; Wyant, Timothy

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ENGLISH

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iv, 37 p. : ill., maps ; 29 cm.

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U.S. G.P.O.,

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Water Supply Paper

Citation Series Code:

WSP

Citation Series Number:

2203

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Investigation of trends in flooding in the Tug Fork basin of Kentucky, Virginia, and West Virginia; 1982; WSP; 2203; Hirsch, Robert M.; Scott, Arthur G.; Wyant, Timothy

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1982

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citation/reference

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Investigation of trends in flooding in the Tug Fork basin of Kentucky, Virginia, and West Virginia; 1982; WSP; 2203; Hirsch, Robert M.; Scott, Arthur G.; Wyant, Timothy