Regional Analyses of Streamflow Characteristics

U.S. Geological Survey, Techniques of Water-Resources Investigations, Book 4, Chapter B3

By H.C. Riggs

Table of Contents




Procedure for flood peaks

Index-flood method

Multiple-regression method

Regionalization of characteristics of the frequency distribution

Use of short records on small streams

Defining the flow characteristic

Model and parameters

Reliability of a regionalization

Regionalizing flood stages

Procedures for other flow characteristics

Regionalizing draft-storage relations

Alternatives to regionalization

Channel-geometry method

Mean flow from monthly measurements

Defining mean runoff by elevation zones

Low-flow characteristics from base-flow measurements




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