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題 名 | 由河川流量資料與流量歷線推估濁水溪流域地下水補注量=Estimate Ground-Water Recharge from Streamflow Hydrographs in the Area of Cho-Shui Shi |
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作 者 | 陳尉平; 李振誥; 陳進發; | 書刊名 | 臺灣水利 |
卷 期 | 47:3=187 1999.09[民88.09] |
頁 次 | 頁55-65 |
分類號 | 443.67 |
關鍵詞 | 歷線; 地下水補注; 消退曲線位移法; 基流資料估計法; Hydrograph; Groundwater recharge; The recession-curve-displacement method; The method of base-flow-record estimation; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要在於利用由河川流量資料建立地下水補注量之模式。本研究在不考慮 集水區異質水文地質狀況的假設下,進行消退曲線位移法與基流資料估計法兩模式之分析, 並將其應用於估計澤水溪流域地下水補注量之研究。當地表逕流作用輕微或地下水頭趨近穩 定時,模式一以河川流量歷線地下水消退部分之消退行為,其主要消退曲線為一近似直線之 曲線為假設,來進行估算地下水補注量;模式二為一基流分離法,藉分析連續資料之過程, 將地下水排水量(或稱基流量)由河川流量歷線分離出來,並當分析時間夠久時,地下貯水 系統水平衡變化所產生的影響可忽略,而視所估計出之平均地下排水量為有效補注量。 應用消退曲線位移法與基流資料估計法於濁水溪流域地下水補注量之研究,其中選用八個測 站進行分析, 兩模式所估計出之入滲率和年補注量分別是模式一為 64.8cm/yr 與 19.4 億 噸,模式二為 57.30cm/yr 與 17.13 億噸。 |
英文摘要 | The purpose of this paper is to investigate the balance of recharge and discharge of ground-water from streamflow hydrographs without considering diffenent hydrogeological conditions of basins. Two methods were applied at Cho-Shui Shi basin in Taiwan. The first method of recession-curve-displacement is used to estimate ground-water recharge and assume that the linearity of the Master Recession Curve during times when direct (surface) runoff is not significant or when the profile of the ground-water head distribution becomes nearly stable. The second method of base-flow-record estimation is one of base-flow separations, and has a relatively arbitrary procedure of estimating a continuous record of ground-water discharge, or base flow, under the streamflow hydrograph. In the second method, the mean ground-water discharge is considered the effective recharge under long period of stream flow hydrograph and neglectes the water balance of changes in storage. Results of the infiltration rate and ground water recharge in the area of Cho-Shui River from the recession-curve-displacement method are 64.8 cm/yrand 19.4 billion ton respectively; and from the method of base-flow-record estimation are 57.30 cm/yr and 17.13 billion ton respectively. |
本系統中英文摘要資訊取自各篇刊載內容。