Sensitivity of deep-towed marine electrical resistivity imaging using two-dimensional inversion: A case study on methane hydrate

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题名:	Sensitivity of deep-towed marine electrical resistivity imaging using two-dimensional inversion: A case study on methane hydrate
作者:	許樹坤;Chiang, Chih-Wen;Goto, Tada-nori;Mikada, Hitoshi;Chen, Chien-Chih;Hsu, Shu-Kun
贡献者:	地球科學學院地球科學學系
关键词:	2D inversion;Anomalies;Arrays;Atmospheric Science;Bearing;Computer simulation;DC survey;Deep-towed marine electrical resistivity imaging;Dipoles;Earth and Planetary Sciences (miscellaneous);Electrical resistivity;Exploration;Formations;Gas hydrate;Geophysics;Hydrates;Imaging techniques;Marine sediments;Methane;Methane hydrate;Methane hydrates;Ocean floor;Oceanography;Physical properties;Sediments;Sensitivity
日期:	2012-12-01
上传时间:	2026-04-23 11:44:08 (UTC+8)
出版者:	Chinese Geoscience Union;Taiwan: 中華民國地球科學學會
摘要:	摘要： Uncertain physical properties of methane hydrate (MH) above a bottom simulating reflector should be estimated for detecting MH-bearing formations. In contrast to general marine sediments, MH-bearing formations have a relatively high electrical resistivity. Therefore, marine electrical resistivity imaging (MERI) is a well-suited method for MH exploration. The authors conducted sensitivity testing of sub-seafloor MH exploration using a two-dimensional (2D) inversion algorithm with the Wenner, Pole-Dipole (PD) and Dipole-Dipole (DD) arrays. The results of the Wenner electrode array show the poorest resolution in comparison to the PD and DD arrays. The results of the study indicate that MERI is an effective geophysical method for exploring the sub-seafloor electrical structure and specifically for delineating resistive anomalies that may be present because of MH-bearing formations at a shallow depth beneath the seafloor. 出版者： Taiwan: 中華民國地球科學學會出版日期： 2012-12-01 出處： TAO : Terrestrial, atmospheric, and oceanic sciences, 2012-12, Vol.23 (6), p.725-732 資源來源： Chinese Electronic Periodical Services (CEPS) 版權： 2012. 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.2012.06.19.01(t)
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