Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/22182
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    請使用永久網址來引用或連結此文件: https://ir.cnu.edu.tw/handle/310902800/22182


    題名: Estimation of Groundwater Recharge Using Water Balance Coupled with Base-Flow-Record Estimation and Stable-Base-Flow Analysis
    作者: Cheng-Haw Lee
    Wei-Ping Chen
    Ru-Huang Lee
    貢獻者: 休閒保健管理系
    關鍵詞: Groundwater recharge
    Water balance
    Base-flow-record estimation
    Stable-base-flow analysis
    Base-flow index
    日期: 2006-10
    上傳時間: 2010-01-11 11:24:19 (UTC+8)
    摘要: In this paper, the long-term mean annual groundwater recharge of Taiwan is estimated with the help of a water-balance approach coupled with the base-flow-record estimation and stable-base-flow analysis. Long-term mean annual groundwater recharge was derived by determining the product of estimated long-term mean annual runoff (the difference between precipitation and evapotranspiration) and the base-flow index (BFI). The BFI was calculated from daily streamflow data obtained from streamflow gauging stations in Taiwan. Mapping was achieved by using geographic information systems (GIS) and geostatistics. The presented approach does not require complex hydrogeologic modeling or detailed knowledge of soil characteristics, vegetation cover, or land-use practices. Contours of the resulting long-term mean annual P, BFI, runoff, groundwater recharge, and recharge rates fields are well matched with the topographical distribution of Taiwan, which extends from mountain range toward the alluvial plains of the island. The total groundwater recharge of Taiwan obtained by the employed method is about 18 billion tons per year.
    關聯: Environmental Geology 51(1) : p.73-82
    顯示於類別:[Dept. of Recreation and Health-Care Management] Periodical Articles

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