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At the same time, the weights of assessment indicators for geo-hazard susceptibility evaluation are ascertained by using analytic hierarchy process. And then, the fuzzy distinguish matrix upon the strength of membership function is established by combining analytical hierarchy process with fuzzy synthesize evaluation. The fuzzy synthesize assessment method selects the two-level model, and the evaluation set has four-stage standard, that is, the degree of geological hazard occurrence probability is divided into four stages. The not easy occurrence zone of geological hazards includes 810 grid units, its area is 12960 km2 , the low probability occurrence zone of geological hazards includes 157 grid units, its area is 2512km2 , the middle probability occurrence zone of geological hazards includes 66 grid units, its area is 1056 km2 , and the high probability occurrence zone of geological hazards includes 253 grid units, its area is 4048km2 . At the same time, zoned maps are drawn in the light of the evaluation result., authors=WANG Zhe, YI Facheng, CHEN Tingfang, authorsList=WANG Zhe;YI Facheng;CHEN Tingfang, authorCompany=School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010,Sichuan Province, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=42Yk7dhAP6ZhC5ERbTowLw==, pdfFileSize=2139056, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242129534514954988, articleId=1242129531662828253, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=基于模糊综合评判的绵阳市地质灾害易发性评价, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=在综合分析研究区孕灾环境、致灾因子与地质灾害分布关系基础上,建立了绵阳市地质灾害易发性评价指标体系,并根据评价指标量化分级标准和方法,运用层次分析法确定各评价指标对地质灾害易发性贡献率。将层次分析法与模糊数学综合评判法结合,根据建立的隶属度函数构造模糊判断矩阵,对整个研究区的地质灾害易发程度进行二级模糊综合评判,得到了4个等级的地质灾害易发性分区。其中,地质灾害不易发区共为810个网格单元,面积约12960km2 ;地质灾害低易发区共为157个网格单元,面积约2512km2 ;地质灾害中易发区共为66个网格单元,面积约1056km2 ;地质灾害高易发区共为253个网格单元,面积约4048km2 。根据易发性评价结果绘制了各易发性程度分区图件,并对各易发分区进行了分区评价。, authors=王哲, 易发成, 陈廷方, authorsList=王哲;易发成;陈廷方, authorCompany=西南科技大学环境与资源学院,四川绵阳 621010, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=2y4BYJLU1ZqF7lKbbTr/9Q==, pdfFileSize=2139056, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=null, 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科技导报
| 研究论文 2012, 30(31): 53-60
基于模糊综合评判的绵阳市地质灾害易发性评价
全屏
王哲, 易发成, 陈廷方
作者信息
西南科技大学环境与资源学院,四川绵阳 621010
Geo-hazard Susceptibility Evaluation of Mianyang City Based on Fuzzy Comprehensive Evaluation
Affiliations
出版时间: 2012-10-28
doi: 10.3981/j.issn.1000-7857.2012.31.008
文章导航
在综合分析研究区孕灾环境、致灾因子与地质灾害分布关系基础上,建立了绵阳市地质灾害易发性评价指标体系,并根据评价指标量化分级标准和方法,运用层次分析法确定各评价指标对地质灾害易发性贡献率。将层次分析法与模糊数学综合评判法结合,根据建立的隶属度函数构造模糊判断矩阵,对整个研究区的地质灾害易发程度进行二级模糊综合评判,得到了4个等级的地质灾害易发性分区。其中,地质灾害不易发区共为810个网格单元,面积约12960km2 ;地质灾害低易发区共为157个网格单元,面积约2512km2 ;地质灾害中易发区共为66个网格单元,面积约1056km2 ;地质灾害高易发区共为253个网格单元,面积约4048km2 。根据易发性评价结果绘制了各易发性程度分区图件,并对各易发分区进行了分区评价。
地质灾害
/
易发性评价
/
层次分析法
/
模糊综合评判
On the basis of the relation distribution of geological hazards with prenatal environment and induced factors of geological hazards, the system of evaluation index and the standard and method for index quantification are established. At the same time, the weights of assessment indicators for geo-hazard susceptibility evaluation are ascertained by using analytic hierarchy process. And then, the fuzzy distinguish matrix upon the strength of membership function is established by combining analytical hierarchy process with fuzzy synthesize evaluation. The fuzzy synthesize assessment method selects the two-level model, and the evaluation set has four-stage standard, that is, the degree of geological hazard occurrence probability is divided into four stages. The not easy occurrence zone of geological hazards includes 810 grid units, its area is 12960 km2 , the low probability occurrence zone of geological hazards includes 157 grid units, its area is 2512km2 , the middle probability occurrence zone of geological hazards includes 66 grid units, its area is 1056 km2 , and the high probability occurrence zone of geological hazards includes 253 grid units, its area is 4048km2 . At the same time, zoned maps are drawn in the light of the evaluation result.
geological hazards
/
susceptibility evaluation
/
analytical hierarchy process
/
fuzzy comprehensive evaluation
王哲;易发成;陈廷方.
基于模糊综合评判的绵阳市地质灾害易发性评价.
科技导报,
2012
, 30
(31)
: 53
-60
.
DOI: 10.3981/j.issn.1000-7857.2012.31.008
WANG Zhe;YI Facheng;CHEN Tingfang.
Geo-hazard Susceptibility Evaluation of Mianyang City Based on Fuzzy Comprehensive Evaluation[J].
Science & Technology Review ,
2012
, 30
(31)
: 53
-60
.
DOI: 10.3981/j.issn.1000-7857.2012.31.008
2012年第30卷第31期
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文章信息
doi: 10.3981/j.issn.1000-7857.2012.31.008
接收时间:2012-08-14
首发时间:2012-10-28
出版时间:2012-10-28
收稿日期:2012-08-14
修回日期:2012-09-10
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2012.31.008
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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