Water Budget for the Kohala Area, Island of Hawaii
Water-Resources Investigations Report
95-4114
By: Patricia J. Shade
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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.
| 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. |
| Google Analytic Metrics | Metrics page |