北川县“5.12”地震灾害区划研究
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摘要
"5.12"汶川特大地震给北川县造成重大灾害损失,根据自然灾害系统理论,从孕灾环境、致灾因子、承灾体和灾情等四个方面分别选取相关评价指标,通过GIS空间分析得到了北川县"5.12"地震灾害敏感度、风险度、脆弱度和灾度分布图,采用1.6km*1.8KM网格为灾害区划基本单元,在MAPGIS软件中进行叠加分析,根据拟定的区划原则,采用基于空间邻域关系的区域合并方法对北川县地震次生灾害区域分异进行分析并进行灾害程度区划,得到四个类型灾害区。为北川县的灾后重建规划提供科学依据,为加快北川县灾后重建和县域经济可持续发展服务。
"5.12" Wenchuan Earthquake in Beichuan causes great losses.The authors select evaluation indicators from the pregnant disaster environment,disaster-causing factors,disaster-affected bodies and disaster-affected bodies according to natural disaster system theory and obtain the sensitivity,risk,vulnerability and disaster distribution maps in Beichuan with GIS spatial analysis.3km3km basic grid unit is used to overlay the four maps in MAPGIS;regional diversity is analyzed;earthquake regions of Beichuan are regionalized in disaster extent with the combined methods of neighborhood-based spatial relations in accordance with the proposed regionalization principles,and four types of disaster areas are mapped.The result will provide scientific basis for the planning of post-disaster reconstruction,and will serve for the speeding up post-disaster reconstruction and socio-economic sustainable development in Beichuan.
"5.12" Wenchuan Earthquake in Beichuan causes great losses.The authors select evaluation indicators from the pregnant disaster environment,disaster-causing factors,disaster-affected bodies and disaster-affected bodies according to natural disaster system theory and obtain the sensitivity,risk,vulnerability and disaster distribution maps in Beichuan with GIS spatial analysis.3km3km basic grid unit is used to overlay the four maps in MAPGIS;regional diversity is analyzed;earthquake regions of Beichuan are regionalized in disaster extent with the combined methods of neighborhood-based spatial relations in accordance with the proposed regionalization principles,and four types of disaster areas are mapped.The result will provide scientific basis for the planning of post-disaster reconstruction,and will serve for the speeding up post-disaster reconstruction and socio-economic sustainable development in Beichuan.
引文
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[2]史培军.灾害研究的理论与实践[J].南京大学学报(自然科学版),自然灾害研究专集,1991,
[3]傅志军,郭俊理,王红梅.宝鸡市地震灾害区划[J].宝鸡文理学院学报(自然科学版).1999,17(2):58-59
[4]王兰民,袁中夏,石玉成,等.黄土地震灾害区划指标与方法研究[J].自然灾害学报,1999,8(3):88-93
[5]傅志军,卫旭东.自然灾害区划的理论与方法[J].陕西师范大学学报(自然科学版),1998,26(13):232-234
[6]王平.基于地理信息系统的自然灾害区划的方法研究[J].北京师范大学学报(自然科学版),2000,36(3):410-416
[7]蒋勇军,况明生.李林立.GIS支持下的重庆市自然灾害综合区划[J].长江流域资源与环境,2003,12(5):487-492,
[8]张海峰,白永平,刘峰贵.基于GUS的青南高原自然灾害综合区划研究[J].干旱区资源与环境,2008,22(7):99-105
[9]Mark TJ.TCees IV W:Deterministec modeling in GIS-based landslide hazard Natural Hazards[M].Kluwer AcadmicPublishers,1995.
[10]毛国敏,邹其嘉,曹新玲,等.关于建立地震灾害指标体系的研究一地震灾情的综合信息系统[J].灾害学,1990,24(3):7-15
[11]赵卫权.基于ArcView-GIS的自然灾害信息管理系统[J].石河子大学学报(自然科学版),2007,25(3):385-389
[12]苗崇刚.地震灾害损失评估[J].自然灾害学报,2000,9(1):105-108
[13]岳辉,缪志谋.四川省北川县地质灾害调查报告[R].绵阳:2006.12
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