四重溪溫泉水位與水溫變化之研究

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Title:	四重溪溫泉水位與水溫變化之研究 The study of water level and water temperature of Sz-Chung-Shi Hot-Spring
Authors:	許育誠
Contributors:	陳文福嘉南藥理科技大學：環境工程與科學系碩士班
Keywords:	四重溪溫泉水溫水位 Sz-Chung-Shi Hot-Spring water level water temperature
Date:	2009
Issue Date:	2010-06-08 13:52:55 (UTC+8)
Abstract:	台灣多處都有溫泉區的分布，其中四重溪溫泉區為台灣最南端的溫泉區，本區因溫泉井大量開鑿，造成溫泉水位下降、水溫改變與露頭消失，屬於超抽較嚴重的溫泉區。溫泉的水位、水溫可能會隨著降雨、淺層地下水的混入、不同的季節或地下水抽用型態不同，會有短期或長期的變化，為永續利用溫泉資源，必須要先了解當地溫泉的概況。本研究於四重溪溫泉區選定四口溫泉井設立監測站，分別為玉泉寺、董啟智、瀑布前、公共浴室溫泉井，並於井中放置水溫、水位自動監測儀器觀察水溫、水位之變化，建立四口溫泉井的水位、水溫之年變化趨勢及探討水位、水溫、雨量三者間之相互關係，以提供本區溫泉水資源總量管制及永續利用之參考。研究結果顯示各井水位、水溫受降雨及抽水影響，週休假日時水位下降明顯，全年水位最高時期為7~9月、最低為2~5月，水位明顯因降雨補助而上升，旱雨季水位落差約10~15m，2008年水位較2007年低1~10m，結果顯示此差距並非降雨量的影響，而是本區有超抽現象。各井水溫以公共浴室所測量到的75.4℃最高，全年水溫受降雨影響而降低，最低時期為7~9月，公共浴室井除外，推測因補注區降雨，造成上游補注水壓變大，地下水層壓力升高，較深層的熱水往上湧入，造成溫度升高之現象。 Direct use for recreation of hot spring is popular in Taiwan. In recent years, too many new wells were drilled and hot water was over-pumped in several hot spring areas that cause pressure of hot water decreasing and some hot spring outcrops vanished. For the sustainable use and better management of the hot-water resource, a water pressure and temperature monitoring program is setup in the Sz-Chung-Shi hot spring area, southern Taiwan. This study presents the water pressure and temperature data for four wells during November 2007 to December 2008. I suggest that rainfall and water withdrawal by wells are two major factors that cause the hot-water pressure to rise and drop. There are an annual cycle of hot-water pressure and a good correlation between hot-water pressure and precipitation in all of four wells. The higher water level occurred in July to September of rainy season and lower level in February to May of dry season. At one year interval, the pressure of hot-water is lower in November-December 2008 compare with the same period of months in 2007. The decreasing of water pressure should be contributed to the over-pumping of hot-water in the Sz-Chung-Shi hot spring area. The highest temperature of 75.4 ℃ for was recorded in one of the four monitoring wells during rainy season of July to September 2008. I suggest that rainfall seepage into recharged zone of the hot-water aquifer and then pushed the deeper hot-water flowed upward to elevate the temperature measurements of hot-water.
Relation:	校內公開，校外永不公開，學年度：97，117 頁
Appears in Collections:	[Dept. of Environmental Engineering and Science (including master's program)] Dissertations and Theses

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