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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40649

Title: Informational analysis of apparent Earth’s resistivity time series to assess the reliability of magnetotelluric measurements
Authors: Chien-chih Chen
Luciano Telesca
Michele Lovallo
Gerardo Romano
Han-Lun Hsu
Chih-Wen Chiang
Contributors: 國立臺灣海洋大學:應用地球科學研究所
Keywords: Shannon entropy
Magnetotellurics
Median absolute deviation
Fisher Information Measure
Date: 2013-11
Issue Date: 2017-02-06T02:57:05Z
Publisher: Journal of Asian Earth Sciences
Abstract: Abstract: We used the informational methods of the Shannon entropy power and the Fisher Information Measure to analyze the time dynamics of one year of semi-daily values of apparent resistivity, calculated on the base of the magnetotelluric (MT) monitoring at Penghu Island, Taiwan. The performed statistics indicate that the day-time measurements present higher disorder and lower organization than the night-time measurements. Such difference is more evident for the high-frequency band of resistivity data, which suggests that possibly some source of the electromagnetic field could be of anthropic origin. Furthermore, we also note the characteristics of so-called MT dead-band with the periodicity of ∼10 s could be revealed in the high values of Shannon entropy power.
Relation: 77
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40649
Appears in Collections:[應用地球科學研究所] 期刊論文

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