頁籤選單縮合
題 名 | 含水層水文地質參數及邊界位置之推估=Estimation of Aquifer Parameters and Location of Boundary |
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作 者 | 張德鑫; 三慧瑄; | 書刊名 | 農業工程學報 |
卷 期 | 57:2 2011.06[民100.06] |
頁 次 | 頁47-56 |
分類號 | 351.85 |
關鍵詞 | 抽水試驗; 水力傳導係數; 含水層邊界位置; Pumping test; Hydraulic conductivity; Location of aquifer boundary; |
語 文 | 中文(Chinese) |
中文摘要 | 地下水抽水試驗為推估地層水文地質參數之現地試驗方法,根據Cooper-Jacob 法及試驗所得時間-洩降關係,可推估大區域之水文地質參數,然而抽水試驗實際操 作時常受到岩盤等邊界效應影響,使得在時間與--降關係圖中出現兩條不同斜率的直 線。研究中雖可利用抽水-洩降理論公式,配合線性疊加理論推估觀測井與虛井之距 離,但卻無法判定該邊界所在之方位。本研究建議可利用三口觀測井之抽水試驗數 據,分別推估其與邊界之距離進而研判出正確邊界位置。研究中本團隊以參與執行 水利署水利規劃試驗所(2008)於馬祖東莒島進行之現地試驗為基礎,配合抽水試驗及 地質探勘等資料佐證其分析方法之可行,據以做為往後相關抽水試驗規劃之參考。 |
英文摘要 | Pumping test is one of the field tests to estimate hydro-geological parameters. Based on Cooper-Jacob method and the relation between time and drawdown, we can estimate the hydro-geological parameters in wide range. The time-drawdown diagram shows two straight lines with different slopes which were affected by boundary effect of rocks in pumping field test. The distance between the observation well and image well can be estimated by using the theoretical formula of pumping and drawdown, but it cannot spot the correct position of the boundary in this study. This study suggested to use the identical boundary distance data from three different observation wells to estimate correct boundary position. Our team participated in the field test plan in Dong-Ju Island of Water Resources Agency of Water Resources Planning Institute and demonstrated the analytical method of pumping test data and geological survey. This result could be the reference for the future study in the pumping test planning. |
本系統中英文摘要資訊取自各篇刊載內容。