云南鲁甸地震灾害应急救援环境分析与影响快速评估

doi:10.11820/dlkxjz.2014.09.002

Abstract

Abstract:

A magnitude 6.5 earthquake struck Ludian County, Zhaotong City, Yunnan Province at 16:30 on 3 August 2014, which caused severe damages on residential life and assets. In order to conduct a rapid earthquake impact assessment, we collected data on seismic intensity, topography, land use/land cover, population, residential area distribution, and buildings of the earthquake area and high-resolution remote sensing images. Spatial analysis in GIS and a quantitative evaluation model were employed for the assessment, which focused on the following aspects of the disaster area including natural environmental conditions of the severe impact area, impact on the affected population, buildings, roads and traffic, and other sensitive exposure units, and risk of secondary geological hazards along the Niulan River; and restoring from slope cropland to forest and preventing soil erosion. Based on the assessment results, this article provides the some suggestions for the earthquake relief effort, geological hazard prevention, and post-disaster reconstruction and ecological recovery of the Ludian seismic area.

Key words: Ludian Earthquake, disaster impact, countermeasure and suggestion, Zhaotong of Yunnan

CLC Number:

F293.35

Wenhui KUANG, Wenfeng CHI, Chengfeng GAO, Guoming DU, Tao PAN, Tianrong YANG, Ailin LIU. Environmental conditions for rescue and earthquake impact rapid assessment in Ludian Earthquake area, Yunnan Province[J].PROGRESS IN GEOGRAPHY, 2014, 33(9): 1152-1158.

Figures/Tables 8

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References 16

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分区	分区面积/km²	居民点面积/km²	影响人口/万人
极高危险区	6	0.84	0.9
高度危险区	131	1.24	1.5
中度危险区	373	4.69	5.6
低度危险区	712	7.25	8.6
微度危险区	290	2.25	2.7
合计	1512	16.32	19.3

Environmental conditions for rescue and earthquake impact rapid assessment in Ludian Earthquake area, Yunnan Province

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