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Time domain electromagnetic surveys near Kukaiau, Hamakua Coast, Island of Hawaii : preliminary report

Item Summary Nance, Tom 2019-05-22T00:44:33Z 2019-05-22T00:44:33Z 2004-05-14
dc.identifier.other Project #9831CIH
dc.description.abstract "This report contains the results of surface Time Domain Electromagnetic (TDEM) geophysical surveys performed for groundwater resource evaluation along the Hamakua Coast on the Island of Hawaii. Blackhawk GeoServices (Blackhawk) conducted the surveys from April 15 through April 24 and May 1 through May 3, 2004 for Tom Nance Water Resource Engineering (TNWRE) and the Department of Water Supply (DWS), County of Hawaii, Hawaii. TDEM is a geophysical method that determines from the surface the geoelectric section (resistivity layering) of the subsurface. From the geoelectric section, information about geology and water quality can be inferred, because the electrical resistivity of the earth depends on lithology, porosity, the degree of saturation, and concentration of dissolved solids in the ground water. The main objectives of the TDEM surveys on Hawaii were to explore for possible basal and high-level groundwater occurrences at the survey areas. These TDEM surveys were conducted along four (4) mauka-makai transects located near Kukuihaele, Kapulena, Paauhau and Paauilo along the Hamakua Coast. Geophysical surveys, combined with other hydrogeologic information, are used to provide optimum locations for well placement and well completion depths."
dc.description.sponsorship Tom Nance Water Resources Engineering
dc.format.extent 25 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 Kukaiau
dc.subject Hamakua Coast
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 Time domain electromagnetic surveys near Kukaiau, Hamakua Coast, Island of Hawaii : preliminary report
dc.type Report
dc.type.dcmi Text
Appears in Collections: Big Island
Tom Nance Water Resource Engineering

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