USGS

Techniques for Simulating Flood Hydrographs and Estimating Flood Volumes for Ungaged Basins in East and West Tennessee

U.S. Geological Survey, Water-Resources Investigations Report 89-4076

by Charles R. Gamble


Table of Contents

Abstract

Introduction

Inman’s hydrograph simulation method

Testing Inman’s dimensionless hydrograph on East and West Tennessee streams

Verification of dimensionless hydrographs

Regionalization of basin lagtime and flood volume

Estimating basin lagtime

Regression analyses

Estimating flood volume

Regression analyses

Alternate flood-volume equation

Hydrograph-width relation

Application of hydrograph simulation technique

Limitations

Example problem

Conclusions

Selected references

Symbols, definitions, and units

Supplemental information

Regional flood-frequency equations for rural basins in Tennessee

Regional flood-frequency equations for urban basins in Tennessee

Lagtime equation for Shelby County

 


 

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