An investigation of the 3D electrical resistivity structure in the Chingshui geothermal area, NE Taiwan

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题名:	An investigation of the 3D electrical resistivity structure in the Chingshui geothermal area, NE Taiwan
作者:	陳建志;Chiang, Chih-Wen;Hsu, Han-Lun;Chen, Chien-Chih
贡献者:	地球科學學院地球科學學系
关键词:	Anomalies;Area;atmospheric science;Data processing;Electrical resistivity;Fluid flow;Geoelectricity;geology;Geophysics;Geothermal areas;Geothermal energy;Geothermal power;Heat flow;Heat transmission;hydrology;Industrial applications;oceanic science;Petroleum;Power efficiency;space science;Subduction;Subduction (geology);Three dimensional models
日期:	2015-06-01
上传时间:	2026-04-23 11:28:58 (UTC+8)
出版者:	Chinese Geoscience Union;Taiwan: 中華民國地球科學學會
摘要:	摘要： The Chingshui geothermal area southwest of the Ilan plain is identified as a western extension of the Okinawa Trough in the northern Taiwan subduction system. Numerous geophysical, geological and geochemical investigations have been con- ducted since the 1970s by the Industrial Technology Research Institute, the Chinese Petroleum Corporation of Taiwan and the National Science Council of Taiwan. These studies indicated that the Chingshui stream is one of the largest geothermal areas for electricity generation in Taiwan. However, the power generation efficiency has not met initial expectations. Magnetotel- luric (MT) data analyses show that the Chingshui geothermal region is a geologically complex area. A full three-dimensional (3D) inversion was therefore applied to reprocess the MT data and provide the detailed electrical structure beneath the Ch- ingshui geothermal region. The 3D geoelectrical model displays an improved image that clearly delineates the Chingshui geothermal system geometry. Two conductive anomalies are imaged that possibly indicate high potential areas for geothermal energy in the Chingshui geothermal system. One of the potential areas is located in the eastern part of the Chingshui Fault at shallow depths. A significant conductive anomaly is associated with high heat flow and fluid content situations southwest of the geothermal manifest area at depth. A higher interconnected fluid indicates that this area contains the highest potential for geothermal energy in the Chingshui geothermal system 出版者： Taiwan: 中華民國地球科學學會出版日期： 2015-06-01 出處： TAO : Terrestrial, atmospheric, and oceanic sciences, 2015-06, Vol.26 (3), p.269-281 資源來源：華藝線上圖書館版權： 2015. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 1017-0839 識別號： ISSN: 2223-8964 識別號： ISSN: 2311-7680 識別號： EISSN: 2311-7680 識別號： DOI: 10.3319/TAO.2014.12.09.01(T)
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