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題 名 | Mapping of Groundwater with the Direct Current Resistivity Method in the Area between the Pachang-Chi and Tsengwen-Chi,Souhern Taiwan=應用直流電阻法描繪南臺灣八掌溪至曾文溪的地下水 |
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作 者 | 楊潔豪; 陳平護; 沈盈源; 劉聰桂; 宋國城; | 書刊名 | Terrestrial, Atmospheric and Oceanic Sciences |
卷 期 | 8:3 1997.09[民86.09] |
頁 次 | 頁313-328 |
分類號 | 351.85 |
關鍵詞 | DC method; Groundwater; Paleo-environment; |
語 文 | 英文(English) |
英文摘要 | Direct current (DC) resistivity soundings with Schlumberger arrays are utilized to map the vertical and horizontal distributions of resistivity in the area between the Pachang-chi and Tsengwen-chi, southern Taiwan. This makes it possible to map the paleo depo-and gydro-environment of the study area. In addition, the transverse resistance computed from the field sounding data measured near the wells can be related to the transmissivity measured directly within the wells. An empirical relation between the tranverse resistance and transmissivity could thus be derived. The hydraulic parameters at the DC sounding locations without any well information could still be estimated from such empirical relationships. Thus, the locations of fresh groundwater zones and the most promising sites for future drilling could be determined. Results of this study indicate that the DC resistivity method can be used to map the depositional process of the study area, and it can also be applied to predict the hydraulic parameters in locations without available well information in a recent alluvium covered area in southern Taiwan. This is of great benefit to the future management of ground water in the study area. |
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