Time domain electromagnetic soundings near Waikoloa Village, Hawaii

Date
1989-01-17
Authors
Nance, Tom
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Blackhawk Geosciences, Inc.
Tom Nance Water Resource Engineering
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"Time domain electromagnetic (TDEM) soundings were used to assist in the ground water evaluation of approximately 50 square miles of property near Waikoloa Village. The results of the TDEM survey show: 1. Depth to saline water is highly variable over the study area. 2. Three areas were identified which show high potential for significant fresh water reserves at relatively low elevation. These areas include the area where wells are currently being pumped and drilled (near soundings 2, 30, 1 and 5), areas near soundings 33, 34, and 31, and near soundings 6, 23 and 24. 3. Over most of the study area at elevations above 1,800 ft the depth to saline water was not detectable within the limits of exploration of the TDEM system (approximately 3,600 ft). Thus, large quantities of fresh water are expected to exist at these elevations, but drilling depth to these resources also would be large."
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groundwater, TDEM, Waikoloa Village, Big Island, Hawaii
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91 pages
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