Risk assessment of geological hazards in Song County, Henan Province

WANG Junde; DU Xiaoyang; HUANG Tianhao; ZHOU Xiaopeng; SUN Lefei; HAN Xinzhi; DONG Peipei

doi:10.16031/j.cnki.issn.1003-8035.202209005

2023 Vol. 34, No. 4

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Article navigation > The Chinese Journal of Geological Hazard and Control > 2023 > 34(4): 86-96

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WANG Junde, DU Xiaoyang, HUANG Tianhao, ZHOU Xiaopeng, SUN Lefei, HAN Xinzhi, DONG Peipei. Risk assessment of geological hazards in Song County, Henan Province[J]. The Chinese Journal of Geological Hazard and Control, 2023, 34(4): 86-96. doi: 10.16031/j.cnki.issn.1003-8035.202209005

Citation:

WANG Junde, DU Xiaoyang, HUANG Tianhao, ZHOU Xiaopeng, SUN Lefei, HAN Xinzhi, DONG Peipei. Risk assessment of geological hazards in Song County, Henan Province[J]. The Chinese Journal of Geological Hazard and Control, 2023, 34(4): 86-96. doi: 10.16031/j.cnki.issn.1003-8035.202209005

Risk assessment of geological hazards in Song County, Henan Province

1.
The First Institute of Geological and Mineral Resources Survey, Henan Bureau of Geology and Mineral Exploration and Development, Luoyang, Henan　471023, China
2.
Key Laboratory of Gold and Silver Polymetallic Ore-forming Series and Deep Prognosis of Henan Province Luoyang, Henan　471023, China

Received Date: 05 September 2022

Revised Date: 12 April 2023

Accepted Date: 04 May 2023

Publish Date: 25 August 2023

Abstract

Abstract

Using the ArcGIS environment, a risk assessment model is established by selecting eight indicator factors, including regional elevation, landform, engineering rock group, vegetation coverage, distance from structures, distance from water systems, slope, and slope direction in Song county, Henan Province, China. The vulnerability is evaluated under three disaster-bearing factors: buildings, personnel and traffic. The information volume model and analytic hierarchy process are used to assess the susceptibility, risk and vulnerability of geological disasters in Song county. The results show that the area of Song county is divided into low-risk areas, covering 965.34 km², accounting for 32% of the total area; medium risk area, covering 1114.65 km², accounting for 37% of the total area; high-risk area, covering 826.23 km², accounting for 27% of the total area; and extremely high risk area, covering 102.68 km², accounting for 3% of the area. These research findings can be widely applied to disaster prevention, mitigation, and geological disaster risk control in Song county.
- ArcGIS /
- Song County, Henan Province /
- geologic hazard /
- risk assessment

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References

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