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Sensitivity Analysis of Hydrogeologic Parameters by Groundwater Table Fluctuation Model in Jeju Island
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 Title & Authors
Sensitivity Analysis of Hydrogeologic Parameters by Groundwater Table Fluctuation Model in Jeju Island
Kim, Nam Won; Kim, Youn Jung; Chung, Il-Moon;
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 Abstract
In this work, we have carried out a sensitivity analysis of hydrogeologic parameters such as reaction factor and drainable pore space in groundwater table fluctuation model and have found characteristics of parameter distribution according to the altitude. We found that drainable pore space which is hydrogeologic parameter of aquifer didn't show any trend with altitude while reaction factor which is groundwater flow characteristic showed clear trend with altitude. To find a sensitivity of parameters, we compared RMSE of estimated groundwater recharges by using the mean value and linear relationship of parameters. As results, the linear equation derived for entire watersheds could be applied to estimate parameters for ungauged watershed. Furthermore, the features of parameter distribution can be used to predict hydrogeologic parameter in ungauged watersheds and it is expected that those features could be used for a basic data for groundwater modeling.
 Keywords
Groundwater level;Recharge;Sensitivity analysis;Groundwater table fluctuation model;
 Language
Korean
 Cited by
1.
지하수위 변동 해석모델의 매개변수를 이용한 투수량계수 추정,김남원;김윤정;정일문;

Journal of Environmental Science International, 2015. vol.24. 4, pp.461-470 crossref(new window)
1.
Estimation of Transmissivity Using Parameters of Groundwater Table Fluctuation Model, Journal of Environmental Science International, 2015, 24, 4, 461  crossref(new windwow)
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