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Comparison of flood frequency estimates from synthetic and observed data on small drainage areas in Mississippi

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Citation

Comparison of flood frequency estimates from synthetic and observed data on small drainage areas in Mississippi; 1986; WRI; 86-4034; Colson, B. E.

Summary

In 1964 the U.S. Geological Survey in Mississippi expanded the small stream gaging network for collection of rainfall and runoff data to 92 stations. To expedite availability of flood frequency information a rainfall-runoff model using available long-term rainfall data was calibrated to synthesize flood peaks. Results obtained from observed annual peak flow data for 51 sites having 16 yr to 30 yr of annual peaks are compared with the synthetic results. Graphical comparison of the 2, 5, 10, 25, 50, and 100-year flood discharges indicate good agreement. The root mean square error ranges from 27% to 38% and the synthetic record bias from -9% to -18% in comparison with the observed record. The reduced variance in the synthetic results [...]

Contacts

Author :
B.E. Colson
Publisher :
U.S. Geological Survey,

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Additional Information

Identifiers

Type Scheme Key
local-index unknown wri864034
local-pk unknown 26629
series unknown Water-Resources Investigations Report

Citation Extension

journalWater-Resources Investigations Report
edition-
languageENGLISH
citationTypeReport

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