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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/24762

Title: Hydrochemical Changes in Spring Waters in Taiwan: Implications for Evaluating Sites for Earthquake Precursory Monitoring
Authors: Sheng-Rong Song;Yaw-Lin Chen;Chia-Mei Liu;Wei-Yi Ku;Huei-Fen Chen;Ya-Jiun Liu;Li-Wei Kuo;Tsanyao Frank Yang;Cheng-Hong Chen;Tsung-Kwei Liu;Ming Lee
Contributors: NTOU:Institute of Applied Geosciences
Keywords: Earthquake precursory;Taiwan;Hydrochemistry;Hot spring;Artesian spring
Date: 2005-10
Issue Date: 2011-10-20T08:17:36Z
Publisher: Terrestrial, Atmospheric and Oceanic Sciences
Abstract: abstract:To evaluate potential monitoring sites as well as useful ions which are capable of serving as earthquake precursors, ten subsurface water bodies in different textonic domains in southwestern, northern and northeastern Taiwan were selected. They included the deep circulation of hot springs, shallower artesian springs and groundwater. Most of the hot springs clearly show chemical anomalies which correlate with earthquake events during the monitoring periods. Against this, the groundwater does not correspond to any events. Hot springs from deeper reservoirs are superior to artesian springs and groundwater from shallower reservoirs. The artesian spring from the smaller subsurface water body is superior to the groundwater from larger reservoirs. Aside from this, anions, especially chloride, outperform cations as geochemical precursors for earthquake monitoring. It is unambiguous that the major factors that determine the usefulness of chemical anomalies in the waters for earthquake precursory monitoring are the kinds, the depths and the size of reservoirs and the ion species of the subsurface water bodies.
Relation: 16(4), pp.745-762
URI: http://ntour.ntou.edu.tw/handle/987654321/24762
Appears in Collections:[應用地球科學研究所] 期刊論文

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