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Item Description Peterson, Frank L. en_US 2008-07-17T23:00:49Z 2008-07-17T23:00:49Z 1985-05 en_US
dc.identifier.citation Shettigara KV, Peterson FL. 1985. Electrical resistivity investigation of Schofield high-level water body, O'ahu, Hawaii. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 169. en_US
dc.description Hawaii State General Fund Grant/Contract No. Project No. S-008 en_US
dc.description.abstract The high-level water body beneath the Schofield Plateau was studied using 19 Schlumberger resistivity soundings and three gradient profiles. The soundings were interpreted for one-dimensional models and the results were then improved upon by considering two-dimensional models for the soundings and gradient profiles. One of the most significant contributions of the study is that gradient profiling was successfully used in conjunction with sounding for the deep investigation. Gradient profiling has been traditionally applicable mainly for shallow investigations, particularly in mineral exploration. The southern boundary is found to be very close to Kunia Camp on the southwest part of the Schofield Plateau and strikes N64°E; the northern boundary strikes N54°E. Both boundaries appear to be dike related, and in the north (particularly in the northeast part of the Schofield Plateau) the dikes occur at shallow depths. The recent geologic history of the Waianae and Koolau volcanoes, as understood today, does not readily explain the presence of shallow dikes in this region. It is interesting to note, however, that the existence of such shallow intrusives fits well with an earlier explanation, thus far largely unsubstantiated, of different episodes of Koolau volcanism. en_US
dc.format.extent xi + 136 pages en_US
dc.language.iso en-US en_US
dc.publisher Water Resources Research Center, University of Hawaii at Manoa en_US
dc.relation.ispartofseries WRRC Technical Report en_US
dc.relation.ispartofseries 169 en_US
dc.subject resistivity en_US
dc.subject sounding en_US
dc.subject groundwater en_US
dc.subject water table profiles en_US
dc.subject electrical resistivity en_US
dc.subject gradient profiles en_US
dc.subject high-level groundwater en_US
dc.subject least-squares inversion en_US
dc.subject Schofield en_US
dc.subject Oahu en_US
dc.subject Hawaii en_US
dc.subject finite-difference model en_US
dc.subject.lcsh Electric prospecting -- Hawaii -- Oahu. en_US
dc.subject.lcsh Groundwater -- Hawaii -- Oahu. en_US
dc.title WRRCTR No.169 Electrical Resistivity Investigation of Schofield High-Level Water Body, O'ahu, Hawaii en_US
dc.type Report en_US
dc.type.dcmi Text en_US

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