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標題: Groundwater level analysis of vertical soil stratification
作者: Pin-Chen Lee
Ping-Cheng Hsieh
關鍵字: groundwater level;hydraulic conductivity;specific yield;separation variable method;analytical solution;recharge;地下水位;水力傳導度;比出水率;分離變數法;解析解;降雨補注
Project: 水土保持學報, Volume 50, Issue 2, Page(s) 2388-2402.
When studying the groundwater level problem, soil properties are important factors for groundwater flow including hydraulic conductivity and specific yield. In different watersheds, the soil properties may vary with the location due to geological changes and erosion. Therefore, this study considers the effects of different vertical soil profiles on the groundwater level. The Boussinesq's equation in previous studies is used as the governing equation and the separation variable method is employed to obtain the analytical solution of the groundwater level. The results are compared with that of previous studies. This study discusses the influence of gravel, sand and clay arranged in a row and timedependent recharge on the groundwater level and flow.

在研究地下水位問題時,土壤性質是地下水傳輸重要影響的因子之一,包括水力傳導度及 比出水率。在不同的集水區可能因為地質變化以及如沖刷、侵蝕之外營力所影響,導致土壤性 質會隨著位置的不同而變化,因此本研究考慮不同垂直土層分布對於地下水位之影響。引用前 人研究之一維 Boussinesq's 方程式為控制方程式搭配分離變數法獲得地下水位之解析解,並與 前人研究所得之結果作比較。之後討論礫石、砂土及黏土在三層垂直土層分層之不同排列及時 變性降雨補注對於地下水位與流量之影響。
Appears in Collections:水土保持學報 第50卷 第02期

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