大屯山南側溫泉之降雨與水位定量分析

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Title:	大屯山南側溫泉之降雨與水位定量分析 Quantitative analysis of rainfall and water level of hot springs on the south side of Datun Mountain 溫泉區的永續經營及水權核發有賴於溫泉水位監測，經由水位及總量管制以防止溫泉資源枯竭。溫泉監測井的水位主要受到降雨及鄰近生產井抽水的影響。許多溫泉區因為生產井眾多，各生產井抽水產生的洩降，影響溫泉含水層的水壓，也在觀測井產生明顯的干擾，其干擾往往大於降雨的上升幅度。大屯山南側溫泉區，其中新北投及行義路溫泉，溫泉主要為白磺泉，是火山氣體及溪水混合的溫泉。火山氣體通常由鑽井生產，地熱谷青磺泉為自然湧出，兩者並沒有抽取地下水或溫泉水，理論上應該沒有抽水干擾。本研究分析大屯山南側4口溫泉井水位與雨量的關係，探討降雨與水位上升，希望建立兩者定量的經驗公式。分析數據的降雨為日雨量(x)，水位上升量(y)為當日水位減去前一天水位，採用線性迴歸y= ax + b，a、b為係數， R2決定係數（coefficient of determination）。4口溫泉井水位與雨量的迴歸關係，1號井：y = 2E-05x + 0.0096，R? = 0.0662。2號井：y = 0.0012x -0.0103，R? = 0.1815。3號井：y = -0.0002x + 0.1958，R? = 0.0343。4號井：y = 9E-05x + 0.0676，R? = 0.004。結果顯示，4口井的日雨量與當日水位上升量對比關係不明顯，可能降雨補注有延遲效應，須要超過一天以上才能反應在水位上，未來研究應朝向此方向繼續探討。 The monitoring of water level provides basic data for management of water right and sustainable operation in the hot spring area. The total amount of withdraw volume is determined based on the water level monitoring data. Recharge from rainfall and water withdraw by adjacent hot spring production wells are two major causes for the fluctuations of water level in the hot spring monitoring wells. The hot springs on the south side of Datun Mountain, including Xinbeitou and Xingyi Road hot springs, are mainly white sulfur spring which are hot springs mixed with volcanic gas and stream water. Volcanic gas is produced by drilling in the white sulfur spring area, and the green sulfur springs are naturally discharged without a production well. The two kind of hot spring do not need to withdraw hot spring water from wells. In theory, there should be no pumping interference to the water level in monitoring wells. This study focus on the relationship between the water level and rainfall to establish a quantitative empirical formula for a total of four hot spring wells on the south side of Datun Mountain.The linear regression relationship between water level variation (y) and daily accumulation rainfall (x), y = ax + b, a and b are coefficients, and R2 is the coefficient of determination. The water level variation is the current day's water level minus the previous day's water level. The results show that Well No. 1: y = 2E-05x + 0.0096, R? = 0.0662. Well No. 2: y = 0.0012x - 0.0103, R? = 0.1815. Well No. 3: y = -0.0002x + 0.1958, R? = 0.0343. Well No. 4: y = 9E-05x + 0.0676, R? = 0.004. The very low values of R2, 0.03 ~ 0.18, show that there is no relationship between the daily rainfall and the water level variation. I suggest that the recharge of hot spring from rainfall may has a delay effect and needs more than one day to increase the water level of hot spring aquifers. The delay of recharge by rainfall is needed more research.
Authors:	蕭玉雪
Contributors:	觀光事業管理系陳文福
Keywords:	降雨量溫泉水位監測 rainfall hot spring water level rainfall
Date:	2020
Issue Date:	2022-10-21 10:28:58 (UTC+8)
Relation:	學年度：108， 104頁
Appears in Collections:	[Dept. of Tourism Management] Dissertations and Theses

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