基于ArcGIS的天津市蓟州区北部山区地质灾害综合评价

doi:10.19388/j.zgdzdc.2023.04.14

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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.

Key words： geological hazards susceptibility danger risk level comprehensive evaluation

Received: 05 January 2023

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	Articles by authors
	YUAN Tingting
	QI Chao
	XI Xueping
	GAO Xuefei
	YANG Bin
	LUO Fugui

Cite this article:

YUAN Tingting,QI Chao,XI Xueping, et al. Geological hazards evaluation of northern mountainous area in Jizhou District of Tianjin based on ArcGIS[J]. , 2023, 10(4): 116-122.

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http://journal25.magtechjournal.com/Jwk_dzdc/EN/10.19388/j.zgdzdc.2023.04.14 OR http://journal25.magtechjournal.com/Jwk_dzdc/EN/Y2023/V10/I4/116

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