Landslide Hazard Assessment in the Northern Mountainous Areas of Tianshan Mountains Based on GIS

Chen, Zhenya and Tang, Jie and Huang, Wei and Ye, Baoying (2022) Landslide Hazard Assessment in the Northern Mountainous Areas of Tianshan Mountains Based on GIS. Journal of Computer and Communications, 10 (06). pp. 186-196. ISSN 2327-5219

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Abstract

China is a country prone to geological disasters, especially in the northern mountainous areas of the Tianshan Mountains in Xinjiang, where the surface vegetation is sparse and the rainfall is concentrated, which is prone to landslides and brings a lot of losses to the local people. Based on the field investigation, this paper evaluates the landslide susceptibility in the northern mountainous area of Tianshan Mountains. The frequency ratio method is used to calculate the landslide probability, and the landslide index (LSI) is formed to represent the landslide susceptibility. The slope unit method is used to determine the landslide units, which values were calculated by the average of the landslide index. According to the calculated LSI range of 4.53 - 20.60. It is divided into 4 grades, LSI = 4.53 - 9, which is an area that is not prone to landslides, with an area of 891.69 km2. LSI = 9 - 11 indicates an area where landslides are more likely to occur, with an area of 1252.31 km2. LSI = 11 - 13 indicates the area is more prone to landslides, with an area of 714.86 km2. LSI > 13 indicates the most prone area for landslides, with an area of 924.60 km2.

Item Type: Article
Subjects: AP Academic Press > Computer Science
Depositing User: Unnamed user with email support@apacademicpress.com
Date Deposited: 01 May 2023 05:59
Last Modified: 13 Sep 2024 07:10
URI: http://info.openarchivespress.com/id/eprint/1110

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