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An analysis of the magnitude and frequency of floods on Oahu, Hawaii

Water-Resources Investigations Report 80-45

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Abstract

An analysis of available peak-flow data for the island of Oahu, Hawaii, was made by using multiple regression techniques which related flood-frequency data to basin and climatic characteristics for 74 gaging stations on Oahu. In the analysis, several different groupings of stations were investigated, including divisions by geographic location and size of drainage area. The grouping consisting of two leeward divisions and one windward division produced the best results. Drainage basins ranged in area from 0.03 to 45.7 square miles. Equations relating flood magnitudes of selected frequencies to basin characteristics were developed for the three divisions of Oahu. These equations can be used to estimate the magnitude and frequency of floods for any site, gaged or ungaged, for any desired recurrence interval from 2 to 100 years. Data on basin characteristics, flood magnitudes for various recurrence intervals from individual station-frequency curves, and computed flood magnitudes by use of the regression equation are tabulated to provide the needed data. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
An analysis of the magnitude and frequency of floods on Oahu, Hawaii
Series title:
Water-Resources Investigations Report
Series number:
80-45
Edition:
WRI/OFR
Year Published:
1980
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
vi, 20 p. :map ;27 cm.