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[1]HSU Chung-li,SHIEH Ming-cheng,HSU Hung-ming.Stratum Earth Electrical Resistance Analysis of Landslide Area in Lichi Layer[J].Research of Soil and Water Conservation,2012,19(01):272-276.

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Stratum Earth Electrical Resistance Analysis of Landslide Area in Lichi Layer

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 01 Page number: 272-276 Column: Public date: 2012-02-20

Title:: Stratum Earth Electrical Resistance Analysis of Landslide Area in Lichi Layer

Author(s):: HSU Chung-li¹, SHIEH Ming-cheng¹, HSU Hung-ming²; 1. Department of Soil and Water Conservation, Pingtung University of Science and Technology, Pingtung, Taiwan 912, China;
2. Soil and Water Conservation Berau, Taitung County Government, Taitung, Taiwan 950, China

Keywords:: landslide area; lichi layer; electrical detection; earth electrical resistance; mudstone

CLC:: TM934

DOI:: -

Abstract:: Lichi Layer is widely distributed in Taitung Coastal Range area. It’s difficult to let plant grow at vegetation exposed area in Lichi layer area, and it is easy to suffer the torrential rainfall influence and have many landslide phenomena. This study aimed at landslide hazard occurred data collection and investigation in Lichi Layer area. Satellite images were executed to distinguishing and explanation on landslide. At the same time, the electrical detection method was used to study the correlation analysis on Shanzongliao and Baohua the sliding phenomenon. According to comprehensive research, the satellite pictures executed to distinguishing and explanation on landslide that found out in 2004, 2006 and 2009, landslide area was 102 hectares in 2004, 139 hectares in 2006 and 56.5 hectares in 2009. Shown in recent years, the trend of recovery of landslide exposed area was covered by vegetation. Due to the electrical detection result in Shanzongliao and Baohua, we could know the overall resistance is less than 100 mΩ. The resistance distribution can be divided the colluvium and mudstone in Lichi layer. Resistance of colluviums fold is high and mudstone resistance is less than 35 and 20 mΩ. The overall resistance decreased with increasing depth.

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