FLOOD FREQUENCY ESTIMATING TECHNIQUES FOR SMALL WATERSHEDS

A LITERATURE SEARCH WAS UNDERTAKEN TO IDENTIFY HYDROLOGIC METHODS SUITABLE FOR DEFINING THE FLOOD FREQUENCY CHARACTERISTICS OF STREAMS OF LESS THAN 20 SQ MILE DRAINAGE AREA. RESULTS OF COMPARATIVE TESTING ON 11 SMALL WATERSHEDS USING DIGITAL COMPUTER SIMULATION, REGIONAL FLOOD FREQUENCY ANALYSIS, POTTER'S STATISTICAL PROCEDURE, AND AN ARBITRARILY STANDARDIZED VERSION OF THE RATIONAL METHOD ARE REPORTED. FOR THE STREAMS TESTED, DIGITAL SIMULATION USING THE HYDROCOMP SIMULATION PROGRAM WAS MOST SUCCESSFUL IN REPRODUCING THE FLOOD FREQUENCY CURVES DETERMINED FORM THE HISTORIC STREAMFLOW. THE STUDY REAFFIRMED THE BASIC PROBLEMS INVOLVED IN FREQUENCY ANALYSIS OF SHORT FLOW RECORDS ON SMALL STREAMS. /AUTHOR/

  • Supplemental Notes:
    • Vol 97, No HY 9, PROC PAPER 8383, PP 1441-1460
  • Authors:
    • Fleming, G
    • Franz, D D
  • Publication Date: 1971-9

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Filing Info

  • Accession Number: 00217161
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Oct 25 1971 12:00AM