Water Budget for the Island of Molokai, Hawaii

Water-Resources Investigations Report 97-4155
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Abstract

Ground-water recharge is estimated from a monthly water budget calculated using long-term average rainfall and streamflow data, synthesized pan-evaporation data, and soil characteristics. The water-budget components are defined seasonally, through the use of monthly data, and spatially by geohydrologic areas, through the use of a geographic information system model.<\p> The long-term average ground-water recharge for Molokai was estimated for natural land-use conditions. The island-wide mean recharge rate for natural conditions is 189 million gallons per day, which is 34 percent of rainfall. The island-wide rainfall, direct runoff, and actual evapotranspiration are 552, 89, and 274 millions gallons per day, respectively.

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Water Budget for the Island of Molokai, Hawaii
Series title Water-Resources Investigations Report
Series number 97-4155
DOI 10.3133/wri974155
Edition -
Year Published 1997
Language ENGLISH
Publisher Geological Survey (U.S.)
Contributing office(s) Pacific Islands Water Science Center
Description iv, 20 p.