Water Budget for the Kohala Area, Island of Hawaii

Water-Resources Investigations Report 95-4114
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Abstract

Ground-water recharge is estimated as the residual component of a monthly water budget calculated using long-term average rainfall, streamflow and pan evaporation data, and soil and vegetation characteristics. The water-budget components are defined seasonally, through the use of the monthly water budget, and spatially by topographic and geologic areas, through the use of a geographic information system model. The long-term average ground-water recharge for the Kohala area, estimated by water-budget analysis for the topographic areas used in the analysis, is 162 Mgal/d in area A (south windward Kohala), 41 percent of average rainfall; 60 Mgal/d in area B (north windward Kohala), 33 percent of average rainfall; and 24 Mgal/d in area C (leeward Kohala), 13 percent of average rainfall.

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Water Budget for the Kohala Area, Island of Hawaii
Series title Water-Resources Investigations Report
Series number 95-4114
DOI 10.3133/wri954114
Edition -
Year Published 1995
Language ENGLISH
Publisher Geological Survey (U.S.)
Contributing office(s) Pacific Islands Water Science Center
Description iv, 19 p.
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