A very low frequency-electromagnetic study of the geo-environmental hazardous areas in Taiwan

Yih Jeng*, Ming Juin Lin, Chih Sung Chen

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

14 引文 斯高帕斯(Scopus)

摘要

This study utilized the very low frequency-electromagnetic (VLF-EM) technique, a passive electromagnetic prospecting method working in the very low frequency range (15-30 KHz) to investigate the geo-environmental problems of shallow, low conductivity sedimentary layers in Taiwan. Field examples successfully demonstrate the advantages of using this method in locating non-mineralized shallow fault zones. The zero-crossings of in-phase and quadrature measurements in 2-D contour maps clearly locate the position of subsurface anomalous source bodies. Further analysis of the measured VLF single profile peaks reveals that this method is useful in determining subsurface structures and conductivity. The advantages of nondestructive, noninvasive, and low consumption of power make this method extremely friendly to the environment. The authors anticipate this method will have more profound impacts on the interactions between prospecting technology and the earth.

原文英語
頁(從 - 到)784-795
頁數12
期刊Environmental Geology
46
發行號6-7
DOIs
出版狀態已發佈 - 2004 10月

ASJC Scopus subject areas

  • 環境化學
  • 水科學與技術
  • 污染
  • 土壤科學

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