Transcription of Flow-Duration Curves - USGS
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Flow-Duration CurvesManual of Hydrology: Part 2. Low-Flow TechniquesGEOLOGICAL SURVEY WATER-SUPPLY PAPER 1542-AFlow- duration CurvesBy JAMES K. SEARCYM anual of Hydrology: Part 2. Low-Flow TechniquesGEOLOGICAL SURVEY WATER-SUPPLY PAPER 1542-AMethods and practices of the Geological SurveyUNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1959 UNITED STATES DEPARTMENT OF THE INTERIOR WALTER J. HICKEL, SecretaryGEOLOGICAL SURVEY William T. Pecora, DirectorFirst printing 1959 Second printing 1963 Third printing 1969 CONTENTSPageAbstract_____ 1 Preparation of 3 Period used_____ 3 Time units_____ 4 Class intervals--__---_--____----_-_____-_-___ __ 6 Compiling Flow-Duration data.
ABSTRACT The flow-duration curve is a cumulative frequency curve that show the percent of time specified discharges were equaled or exceeded during a given period. It combines in one curve the flow characteristics of a stream throughout the range of discharge, without regard to the sequence of occurence. If the
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