Please use this identifier to cite or link to this item: http://hdl.handle.net/10125/61945

Geophysical surveys for ground water evaluation, Royal Coast Development, Corporation Golf Course, Island of Hawaii

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Item Summary

dc.contributor.author Nance, Tom
dc.date.accessioned 2019-05-22T00:43:19Z
dc.date.available 2019-05-22T00:43:19Z
dc.date.issued 1990-10-12
dc.identifier.other Project #90042
dc.identifier.uri http://hdl.handle.net/10125/61945
dc.description.abstract "The primary objective of the geophysical survey was to determine the elevation and thickness of the lens of fresh water floating on salt water. The generalized objectives for utilizing geophysical surveys for ground water evaluations on volcanic islands are illustrated in Figure 1-1. The volcanic rocks are generally highly permeable and this allows rainwater to percolate with little impedance directly downward through the island mass. Fresh water in these settings is found in two environments: 1. Dike-confined waters -- Typically, above the rift zone, intrusive dikes originating from a magma source below can form ground water dams, and behind these natural dams significant quantities of ground water can be stored. 2. Basal fresh water -- The high permeability of the volcanic rocks allows sea water to enter freely under the island, and a delicate balance is reached where a lens of fresh water floats on sea water."
dc.description.sponsorship Tom Nance Water Resources Engineering
dc.format.extent 32 pages
dc.language.iso eng
dc.publisher Blackhawk Geosciences, Inc.
dc.publisher Tom Nance Water Resource Engineering
dc.subject groundwater
dc.subject TDEM
dc.subject Big Island
dc.subject Hawaii
dc.subject.lcsh Geology--Hawaii
dc.subject.lcsh Groundwater--Hawaii
dc.subject.lcsh Water-supply--Hawaii
dc.subject.lcsh Geology
dc.subject.lcsh Groundwater
dc.subject.lcsh Water-supply
dc.title Geophysical surveys for ground water evaluation, Royal Coast Development, Corporation Golf Course, Island of Hawaii
dc.type Report
dc.type.dcmi Text
Appears in Collections: Big Island
Tom Nance Water Resource Engineering


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