A Method for Optimizing Territorial Space Planning of Mountain Towns Based on Geological Hazard Risk Assessment

FENG Wei; TANG Yaming; JIA Jun; MA Hongna; LI Yan’e; HONG Bo; XUE Qiang; TANG Zhuo

doi:10.12401/j.nwg.2023074

Northwestern Geology > 2023 > 56(3): 232-238. > DOI: 10.12401/j.nwg.2023074

FENG Wei, TANG Yaming, JIA Jun, et al. A Method for Optimizing Territorial Space Planning of Mountain Towns Based on Geological Hazard Risk Assessment[J]. Northwestern Geology, 2023, 56(3): 232-238. DOI: 10.12401/j.nwg.2023074

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A Method for Optimizing Territorial Space Planning of Mountain Towns Based on Geological Hazard Risk Assessment

FENG Wei^{1, 2, 3,},
TANG Yaming^{1, 2, ,},
JIA Jun^{1, 2},
MA Hongna^{1, 2},
LI Yan’e^{1, 2},
HONG Bo^{1, 2},
XUE Qiang^{1, 2},
TANG Zhuo^{1, 2}

1.
Xi’an Center of China Geological Survey, Xi’an 710119, Shaanxi, China
2.
Key Laboratory for Geo–hazards in Loess Area, MNR, Xi’an 710119, Shaanxi, China
3.
School of Geological Engineering and Geomatics, Chang’an University, Xi’an 710064, Shaanxi, China

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Received Date: March 01, 2023
Revised Date: April 16, 2023
Accepted Date: April 23, 2023
Available Online: May 09, 2023

Graphical Abstract

Abstract

Abstract

Taking Fanziping–Cuijiapo section of Xiangning County, Shanxi Province as an example, a method of optimizing territorial spatial planning based on geological hazard risk assessment is proposed by combining “barrel effect” theory with “double–control of point and zone” system of geological disaster risk. This method is based on 1∶10,000 geological disaster risk assessment and combined with “double–control of point and zone” system of geological disaster risk, taking slope, river distance, geological disaster risk zoning and disaster range of geological disaster hidden danger point as the short board factors in the barrel effect. According to the order of strictly controlled development zone, moderate development zone and priority development zone from high to low, the highest grade value of each weakness factor in the same plot is taken as the result value of optimizing
territorial space planning of the plot. The results show that strictly controlled development zones in the study area account for 26.67%, moderate development zones account for 54.81%, and priority development zones account for 18.52%. Theoretically, it shows that the study area is dominated by priority development zones and moderate development zones, which has great development potential. The proposed optimization method can conveniently and effectively complete territorial space planning in large scale mountainous areas, and the research results can provide a reference for similar areas to carry out territorial space planning.
- barrel effect,
- system of “double–control of point and zone”,
- risk assessment,
- territorial space planning,
- mountain towns

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