礁溪溫泉鄰井擾之研究

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標題:	礁溪溫泉鄰井擾之研究 The pumping drawdowns of hot spring wells in Jiaosi
作者:	黃宜儀
貢獻者:	觀光事業管理系陳文福
關鍵字:	抽水干擾太子觀測井礁溪溫泉洩降 the obstruction of water pumping Tai-Zhi well Jiaosi Hot Spring drawdowns
日期:	2014
上傳時間:	2015-10-26 20:30:46 (UTC+8)
摘要:	本研究藉由礁溪溫泉觀測井的監測資料，計算抽水井相互干擾的影響，並探討歷年抽水干擾是否有增減之趨勢。因太子觀測井位於礁溪溫泉區的中心，故本研究以太子觀測井為主，先將太子觀測井收集到的長期水位變化資料，應用各種理論及公式，並假設其T值及S值，計算分析鄰近井對太子觀測井的干擾量和洩降量，以了解太子觀測井受干擾之程度。(1)鄰井抽水對太子觀測井水位之干擾現象。平日太子觀測井18小時的干擾量約0.5m，相當於7口井連續抽水（遠近不同），即可造成太子觀測井約0.5m的洩降。(2)工地抽水對影響太子觀測井之影響。因改建公寓大樓，需開挖地下室共建有14口去水井，若工地連續抽2.5個月，則相當抽去38萬噸的溫泉水，每天抽水量達5184噸，宜蘭縣政府目前總量管制為 1.4萬噸/天，工地抽水相當於每天容許總量的37%。(3)歷年之抽水干擾。以日干擾量的最多百分比來看，2008年與2012 年日干擾量較小，2009-2011年較大，並沒有連續增加的情形。從較大的日干擾量來看，例如1.2-1.4m，有明顯的增加，大的日干擾量代表假日的各井抽水干擾，表示假日的抽水量有增加之趨勢。 The purpose of this study is to analyze the intervening drawdown variations in monitoring wells and to evaluate the withdraw volume of hot water in Jiaosi Hot Spring. With values of aquifer hydraulic conductivity and storage coefficient, intervening drawdowns by pumping of a nearby well of the Tai-Zhi well, which is located at the center of Jiaosi Hot Spring, are calculated and compared with the recorded water pressure data. The recorded water pressure data in the Tai-Zhi well show a 0.5 m intervening drawdown at weekdays and 1.5 m at weekends which represent a 18-hour duration of pumping by nearby wells. There were 14 dewatering wells for constructing a building basement near the Tai-Zhi well. A total of 380,000 m3 of hot water were withdrawn during a 2.5 month construction dewatering. The withdraw volume of hot water is approximately 5,184 m3/d, 37% of the safe yield 14,326 m3/d for the hot spring aquifer of Jiaosi by Yi-Lan County authority. The DIDs (day intervening drawdown) do not show an increasing trend by percentage. However, the MDIDs (maximum day intervening drawdown), for example 1.2-1.4m, have an increasing trend and that suggest an increasing withdraws at weekends.
關聯:	網際網路公開：2014-06-30，學年度：102，100頁
显示于类别:	[觀光事業管理系(含溫泉所)] 博碩士論文

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