Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/27770
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    標題: An approach to evaluate groundwater recharge from streamflow and groundwater records
    作者: Kung, Wen-Jui
    Yeh, Hsin-Fu
    Lin, Hung-I
    Chen, Wei-Ping
    Lee, Cheng-Haw
    貢獻者: 休閒保健管理系
    關鍵字: Groundwater Recharge
    Recession-Curve-Displacement Method
    Water-Table Fluctuation Method
    日期: 2013-09
    上傳時間: 2014-05-26 10:42:58 (UTC+8)
    出版者: Geological Society Korea
    摘要: To assess groundwater recharge, this study provided a composite method combining the recession-curve-displacement method and water-table fluctuation method. First, the initial recharge reference value was determined using the water-table fluctuation method. The corresponding groundwater discharge was then determined from the recharge reference value using the recession-curve-displacement method. Furthermore, the recession segment of the match between groundwater discharge and streamflow was computed. The recharge reference value was repeatedly adjusted to achieve a good fit with the recession segment for groundwater discharge and streamflow, thereby attaining the final groundwater recharge using the proposed method. Finally, the groundwater recharge of the Lanyang Creek basin in Taiwan was estimated as a case study. A comparison of recession-curve-displacement method and proposed composite method are presented. Estimation results show that the number of recharge events, recharge timing of these events, groundwater recharge events that satisfy recession theory, and range of transmissivity can be obtained using the proposed composite method. Comparison results demonstrate that the number of groundwater recharge events obtained with the composite method was greater than that acquired with the recession-curvedisplacement method. However, the annual recharge and seasonal recharge obtained with the recession-curve-displacement method and composite method were close.
    關聯: Geosciences Journal, v.17 n.3 pp.353-362
    顯示於類別:[休閒保健管理系(所)] 期刊論文

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