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KMID : 1024520150240040461
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Journal of the Environmental Sciences
2015 Volume.24 No. 4 p.461 ~ p.470
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Estimation of Transmissivity Using Parameters of Groundwater Table Fluctuation Model
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Kim Nam-Won
Kim Youn-Jung
Chung Il-Moon
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Abstract
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As hydrogeologic parameters such as hydraulic conductivity and specific yield are estimated by aquifer test , these are
dependent on specific points at which field test was conducted. To overcome these site-specific limitations, a method of
estimating transmissivity of aquifer using distribution features for parameters in Water table fluctuation model is newly
suggested. Distribution features in reaction factor, specific yield and transmissivity having the function of pore space in aquifer are used to derive empirical equation for estimating transmissivity. From the result for applying the equation for 10
groundwater stations in Northeast Jeju Island, this equation is available for estimating transmissivity compared to the value
estimated by existing equations. The estimated transmissivity ranged from 14.2 to 3,716.9 m2/day, and its average was 821.8m2/day.
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KEYWORD
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Water table fluctuation model, Reaction factor, Specific yield, Transmissivity
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