Time domain electromagnetic surveys for assisting in determining the groundwater resources on Queen Liliuokalani Trust property, Island of Hawaii
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2007-03
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Blackhawk Geosciences, Inc.
Tom Nance Water Resource Engineering
Tom Nance Water Resource Engineering
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"This report contains the procedures and results of surface Time Domain Electromagnetic (TDEM) geophysical surveys performed for groundwater resource evaluation on Queen Liliuokalani Trust property located at the Keahuolu Tract on the Island of Hawaii. ZAPATA ENGINEERING Blackhawk Division (Blackhawk) conducted the surveys from January 27 to January 30, 2007 for Tom Nance Water Resource Engineering (TNWRE) of Honolulu, Hawaii and Queen Liliuokalani Trust (QLT) of Honolulu, Hawaii.
The main objective of the TDEM surveys was to explore for additional high-level groundwater occurrences in the immediate vicinity of the existing 1.0 MG Water Tank located on QLT property above the Mamalahoa Highway. The surveys were conducted at three additional sites to help determine the optimum location for a future groundwater well located near the QLT Water Tank. TDEM is a geophysical method that determines from 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. This is possible because the electrical resistivity of the earth depends on lithology, porosity, degree of saturation, and concentration of dissolved solids in the groundwater. Geophysical surveys, combined with other hydrogeologic information, are used to provide optimum locations for water well placement and well completion depths."
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groundwater, TDEM, Keahuolu Tract, Big Island, Hawaii, Geology--Hawaii, Groundwater--Hawaii, Water-supply--Hawaii, Geology, Groundwater, Water-supply
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21 pages
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