Water Budget for the Island of Molokai, Hawaii
Water-Resources Investigations Report
97-4155
By: Patricia J. Shade
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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.
Suggested Citation
Shade, P.J., 1997, Water Budget for the Island of Molokai, Hawaii: U.S. Geological Survey Water-Resources Investigations Report 97-4155, iv, 20 p., https://doi.org/10.3133/wri974155.
| 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 |
| Year Published | 1997 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | Pacific Islands Water Science Center |
| Description | iv, 20 p. |