台灣地區溫泉資源地表淺層溫度探勘之研究

The Shallow Underground Temperature Prospecting for Hot Spring Resources in Taiwan

賴慧琳(H.L. Lai) ； 溫紹炳(S.B. Wen)

《鑛冶：中國鑛冶工程學會會刊》 51卷2期 (2007/06) Pp. 121-130

https://doi.org/10.30069/MM.200706_51(2).0010

摘要

本研究是以地表淺層溫度量測之方法，進行地表下一公尺深處之地溫量測，根據測量結果繪製等溫線圖，以顯示地表淺層溫度異常之位置與範圍大小，以供進一步探勘與選定地熱生產井之參考。由於台灣溫泉資源非常豐富，因此本文於研究區域選擇方面，火成岩區以金山地區作為代表，變質岩區以瑞穗地區作為代表，沉積岩區以中崙地區作為代表，背景對比區以成大系館為代表。研究結果發現，系館內地表下0.6公尺深處之地溫，日夜溫度之變化已無影響。而距離地表愈近，最高溫與最低溫之溫差愈大，深度愈深，受氣溫的影響愈小，溫度變化也較緩和。

關鍵字

溫泉 ； 地表淺層溫度 ； 火成岩 ； 變質岩 ； 沉積岩

並列摘要

In this study, a shallow underground temperature prospecting method was used to investigate temperature anomaly in the areas surrounding hot spring resources. Underground temperatures were measured at a depth 0.2, 0.4, 0.6, 0.8 and 1 m each from surface using SATO SK-L200T temperature data log. Distributions of isotherms were used to examine the location and areal extent of temperature anomaly for further exploration and selection of hot spring wells. Hot spring resources are abundant and widespread at different geologic formations in Taiwan. Three hot spring sites, namely Chinshan, Juisui, and Chunlun, being representative of those observed at igneous rock, metamorphic rock and sedimentary rock formations, respectively, were considered in the study. The background site located at the Department of Resources engineering, National Cheng Kung university was also selected to gather reference temperatures for comparison of those collected from the three sites. The results obtained from the study showed that at the background site, the influence of air temperature variations on underground temperatures decreased with increasing depth, and temperature readings taken at a depth 0.6 m were not affected significantly by the diurnal variations of the surface temperature.

並列關鍵字

hot spring ； shallow underground temperature ； igneous rock ； metamorphic rock ； sedimentary rock