WRRCTR No.139 Numerical Simulation of a Thick Freshwater Lens: Pearl Harbor Groundwater Model

dc.contributor.author Liu, Clark C.K. en_US
dc.contributor.author Lau, L. Stephen en_US
dc.contributor.author Mink, John F. en_US
dc.date.accessioned 2008-08-20T22:32:19Z
dc.date.available 2008-08-20T22:32:19Z
dc.date.issued 1981-12 en_US
dc.description.abstract The freshwater aquifer in the Pearl Harbor area on O'ahu, Hawai'i is the most important water resource of the island and constitutes a large proportion of its freshwater supply. The aquifer has a freshwater lens up to 304.8 m (1000 ft) thick, floating on top of a saline water zone. Mechanisms of groundwater movement are extremely complex because the upper boundary is confined near the coast and phreatic inland, while the lower boundary is nowhere confined. In this study, regional groundwater movement due to various pumping schemes is mathematically simulated by a set of partial differential equations. These equations are then solved numerically with a finite difference approximation. The location of the freshwater and saltwater interface, which constitutes the lower boundary of the system model, was estimated by Hubbert's formula. Consideration was also given to features concerning geohydrologic boundaries of the Pearl Harbor aquifer. It was concluded that a mathematical model can be used as a tool in the management of groundwater development in a thick Ghyben-Herzberg aquifer. Improvement of system simulation may be achieved by adding a mass transport element to study hydrodynamic dispersion within a transition zone where fluid density changes gradually. en_US
dc.description.sponsorship Office of Water Research and Technology, U.S. Department of the Interior Grant/Contract No. 14-34-0001-1113 (A-090-HI) en_US
dc.format.extent viii + 71 pages en_US
dc.identifier.citation Liu CCK, Lau LS, Mink JF. 1981. Numerical simulation of a thick freshwater lens: Pearl Harbor groundwater model. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 139. en_US
dc.identifier.uri http://hdl.handle.net/10125/2309
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 139 en_US
dc.subject aquifer characteristics en_US
dc.subject computer models en_US
dc.subject groundwater movement en_US
dc.subject hydrologic models en_US
dc.subject hydrogeology en_US
dc.subject mathematical models en_US
dc.subject numerical analysis en_US
dc.subject Darcy's law en_US
dc.subject Hawaii en_US
dc.subject Ghyben-Herzberg lens en_US
dc.subject Pearl Harbor aquifer en_US
dc.subject.lcsh Groundwater -- Hawaii -- Oahu. en_US
dc.subject.lcsh Groundwater flow -- Hawaii -- Oahu. en_US
dc.subject.lcsh Pearl Harbor (Hawaii) en_US
dc.subject.lcsh Groundwater flow -- Mathematical models. en_US
dc.subject.lcsh Groundwater -- Mathematical models. en_US
dc.title WRRCTR No.139 Numerical Simulation of a Thick Freshwater Lens: Pearl Harbor Groundwater Model en_US
dc.type Report en_US
dc.type.dcmi Text en_US
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