Geological hazards evaluation of northern mountainous area in Jizhou District of Tianjin based on ArcGIS

YUAN Tingting; QI Chao; XI Xueping; GAO Xuefei; YANG Bin; LUO Fugui

doi:10.19388/j.zgdzdc.2023.04.14

2023 Vol. 10, No. 4

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Article navigation > Geological Survey of China > 2023 > 10(4): 116-122

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YUAN Tingting, QI Chao, XI Xueping, GAO Xuefei, YANG Bin, LUO Fugui. 2023. Geological hazards evaluation of northern mountainous area in Jizhou District of Tianjin based on ArcGIS. Geological Survey of China, 10(4): 116-122. doi: 10.19388/j.zgdzdc.2023.04.14

Citation:

YUAN Tingting, QI Chao, XI Xueping, GAO Xuefei, YANG Bin, LUO Fugui. 2023. Geological hazards evaluation of northern mountainous area in Jizhou District of Tianjin based on ArcGIS. Geological Survey of China, 10(4): 116-122. doi: 10.19388/j.zgdzdc.2023.04.14

Geological hazards evaluation of northern mountainous area in Jizhou District of Tianjin based on ArcGIS

Tianjin Geological Engineering Survey and Design Institute Co., Ltd, Tianjin 300000, China

More Information

Corresponding author: XI Xueping, xixueping1981@163.com

Received Date: 05 January 2023

Revised Date: 26 April 2023

Abstract

Abstract

In order to investigate the potential risks of geological disasters in the northern mountainous area in Jizhou District of Tianjin and better ensure the safety of people‘s lives and property, the authors in this paper selected relevant evaluation factors based on the ArcGIS platform to conduct a comprehensive evaluation of geological disasters in the northern mountainous area of Jizhou District, using semi quantitative method of mathematical comprehensive evaluation. The evaluation results indicate that the main geological hazards in the study area are collapses, landslides and mudslides. The area of high and medium risk areas is about 247.76 km², accounting for 25.59% of the area of Jizhou District. The high risk areas are mainly distributed in scenic areas with high terrain and densely populated areas such as Huangyaguan and Changzhou Village-Huanghuashan in the northern part of the research area. The high risk areas of geological disasters are mostly concentrated in areas with high susceptibility to geological disasters, and extremely high risk and high risk geological disaster distribution areas. These areas have intensive human activities, making them the focus of future geological disaster monitoring and warning. The research results could provide reliable scientific basis and information for disaster prevention, emergency management, and decision-making and command work of national and local governments.
- geological hazards /
- susceptibility /
- danger /
- risk level /
- comprehensive evaluation

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