Article(id=1223278133227426043, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222254, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1666800000000, receivedDateStr=2022-10-27, revisedDate=1671379200000, revisedDateStr=2022-12-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769581834369, onlineDateStr=2026-01-28, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769581834369, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769581834369, creator=13701087609, updateTime=1769581834369, updator=13701087609, issue=Issue{id=1223278131956551924, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='10', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769581834067, creator=13701087609, updateTime=1769584342407, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223288652869030422, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223288652869030423, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=62, endPage=66, ext={EN=ArticleExt(id=1223278133508444413, articleId=1223278133227426043, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Analysis of Changes and Causes of Mountain Torrent Disaster Risk in Sichuan Province in the Past 30 Years, columnId=1222925283431272938, journalTitle=Water Resources and Power, columnName=HYDROLOGICAL FORECAST AND OPTIMAL SCHEDULING, runingTitle=null, highlight=null, articleAbstract=

To explore the temporal and spatial distribution and attribution of mountain torrent disaster risk in Sichuan Province, the spatial distribution difference and high-risk areas of mountain torrent risk during 1990-2020 were studied by AHP and cluster analysis methods, and the changing characteristic and driving reason were investigated. The results show that the risk of mountain torrent disasters increased from the west to the east in Sichuan Province. High-risk areas mostly existed in areas with dense river networks and high exposure and vulnerability, such as Meishan, Zigong, Neijiang, Ziyang, Suining, Guangan and Nanchong. From 1990 to 2020, the risk of mountain torrents showed an increasing trend in Sichuan Province. The proportion of areas with high and above risk increased from 17% to 34%. Increased risk levels were concentrated in central Sichuan, and most of them were from moderately high and relatively high risk transformed into high risk. In the past 30 years, the risk of mountain torrents has shown a downward trend in Sichuan Province, while the greater GDP and population density had changed vulnerability and disaster prevention capacity, leading to increasing risk level of mountain torrents in local areas. The results can provide theoretical guidance and practical support for forecast and early warn in flood disaster and disaster prevention and mitigation in Sichuan Province.

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为探究四川省山洪灾害风险的时空分布规律及归因,采用层次分析、聚类分析等方法,研究了1990、2020年四川省山洪风险的空间分布差异与高风险重点区域,探讨了山洪风险的时间变化特征及驱动原因。结果表明,四川省山洪灾害风险由西部向东部地区逐渐增加,高风险区域多存在于河网密集,且暴露性和脆弱性较高的区域,主要集中在眉山市、自贡市、内江市、资阳市、遂宁市、广安市和南充市;1990~2020年,四川省整体山洪风险呈增加趋势,较高及以上风险区面积占比由17%增至34%,风险等级增加的区域集中在四川省中部,且大部分由中等或较高风险区转变为高风险区;近30年来,四川省的山洪危险性呈下降趋势,但较大的GDP和人口密度使其脆弱性和防灾能力发生变化,从而导致局部区域山洪风险等级有所增加。研究结果可为四川省的洪水灾害预报预警及防灾减灾工作提供理论指导和实践支撑。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
韩剑桥(1987-),男,博士、副研究员,研究方向为流域洪水泥沙灾害等,E-mail:
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元媛(1988-),女,博士、高级工程师,研究方向为河流水沙数值模拟、工程泥沙、江湖演变与治理等,E-mail:

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元媛(1988-),女,博士、高级工程师,研究方向为河流水沙数值模拟、工程泥沙、江湖演变与治理等,E-mail:

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近30年四川省山洪灾害风险时空变化及其成因分析
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元媛 1, 2 , 韩剑桥 3 , 金中武 1, 2 , 郭超 1, 2 , 刘泓汐 4
水电能源科学 | 水情测报与优化调度 2023,41(10): 62-66
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水电能源科学 | 水情测报与优化调度 2023, 41(10): 62-66
近30年四川省山洪灾害风险时空变化及其成因分析
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元媛1, 2 , 韩剑桥3 , 金中武1, 2, 郭超1, 2, 刘泓汐4
作者信息
  • 1.水利部长江水利委员会长江科学院,湖北 武汉 430010
  • 2.水利部长江中下游河湖治理与防洪重点实验室,湖北 武汉 430010
  • 3.西北农林科技大学水土保持研究所,陕西 杨凌 712100
  • 4.北京师范大学水沙科学教育部重点实验室,北京 100875
  • 元媛(1988-),女,博士、高级工程师,研究方向为河流水沙数值模拟、工程泥沙、江湖演变与治理等,E-mail:

通讯作者:

韩剑桥(1987-),男,博士、副研究员,研究方向为流域洪水泥沙灾害等,E-mail:
Analysis of Changes and Causes of Mountain Torrent Disaster Risk in Sichuan Province in the Past 30 Years
Yuan YUAN1, 2 , Jian-qiao HAN3 , Zhong-wu JIN1, 2, Chao GUO1, 2, Hong-xi LIU4
Affiliations
  • 1.Changjiang River Scientific Research Institute of Changjiang Water Resources Commission of the Ministry of Water Resources, Wuhan 430010, China
  • 2.Key Laboratory of Ministry of Water Resources on River & Lake Regulation and Flood Control in Middle and Lower Reaches of Yangtze River, Changjiang River Scientific Research Institute, Wuhan 430010, China
  • 3.Institute of Soil and Water Conservation, Northwest A& F University, Yangling 712100, China
  • 4.Key Laboratory for Water and Sediment Science, Ministry of Education, Beijing Normal University, Beijing 100875, China
出版时间: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222254
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为探究四川省山洪灾害风险的时空分布规律及归因,采用层次分析、聚类分析等方法,研究了1990、2020年四川省山洪风险的空间分布差异与高风险重点区域,探讨了山洪风险的时间变化特征及驱动原因。结果表明,四川省山洪灾害风险由西部向东部地区逐渐增加,高风险区域多存在于河网密集,且暴露性和脆弱性较高的区域,主要集中在眉山市、自贡市、内江市、资阳市、遂宁市、广安市和南充市;1990~2020年,四川省整体山洪风险呈增加趋势,较高及以上风险区面积占比由17%增至34%,风险等级增加的区域集中在四川省中部,且大部分由中等或较高风险区转变为高风险区;近30年来,四川省的山洪危险性呈下降趋势,但较大的GDP和人口密度使其脆弱性和防灾能力发生变化,从而导致局部区域山洪风险等级有所增加。研究结果可为四川省的洪水灾害预报预警及防灾减灾工作提供理论指导和实践支撑。

山洪灾害  /  时空分布  /  防灾减灾  /  四川省

To explore the temporal and spatial distribution and attribution of mountain torrent disaster risk in Sichuan Province, the spatial distribution difference and high-risk areas of mountain torrent risk during 1990-2020 were studied by AHP and cluster analysis methods, and the changing characteristic and driving reason were investigated. The results show that the risk of mountain torrent disasters increased from the west to the east in Sichuan Province. High-risk areas mostly existed in areas with dense river networks and high exposure and vulnerability, such as Meishan, Zigong, Neijiang, Ziyang, Suining, Guangan and Nanchong. From 1990 to 2020, the risk of mountain torrents showed an increasing trend in Sichuan Province. The proportion of areas with high and above risk increased from 17% to 34%. Increased risk levels were concentrated in central Sichuan, and most of them were from moderately high and relatively high risk transformed into high risk. In the past 30 years, the risk of mountain torrents has shown a downward trend in Sichuan Province, while the greater GDP and population density had changed vulnerability and disaster prevention capacity, leading to increasing risk level of mountain torrents in local areas. The results can provide theoretical guidance and practical support for forecast and early warn in flood disaster and disaster prevention and mitigation in Sichuan Province.

mountain torrent disaster  /  temporal and spatial distribution  /  disaster prevention and mitigation  /  Sichuan Province
元媛, 韩剑桥, 金中武, 郭超, 刘泓汐. 近30年四川省山洪灾害风险时空变化及其成因分析. 水电能源科学, 2023 , 41 (10) : 62 -66 . DOI: 10.20040/j.cnki.1000-7709.2023.20222254
Yuan YUAN, Jian-qiao HAN, Zhong-wu JIN, Chao GUO, Hong-xi LIU. Analysis of Changes and Causes of Mountain Torrent Disaster Risk in Sichuan Province in the Past 30 Years[J]. Water Resources and Power, 2023 , 41 (10) : 62 -66 . DOI: 10.20040/j.cnki.1000-7709.2023.20222254
  • 国家重点研发计划(2019YFC1510704)
  • 水沙科学与水灾害防治湖南省重点实验室开放基金(2021SS01)
2023年第41卷第10期
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doi: 10.20040/j.cnki.1000-7709.2023.20222254
  • 接收时间:2022-10-27
  • 首发时间:2026-01-28
  • 出版时间:2023-10-25
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  • 收稿日期:2022-10-27
  • 修回日期:2022-12-19
基金
国家重点研发计划(2019YFC1510704)
水沙科学与水灾害防治湖南省重点实验室开放基金(2021SS01)
作者信息
    1.水利部长江水利委员会长江科学院,湖北 武汉 430010
    2.水利部长江中下游河湖治理与防洪重点实验室,湖北 武汉 430010
    3.西北农林科技大学水土保持研究所,陕西 杨凌 712100
    4.北京师范大学水沙科学教育部重点实验室,北京 100875

通讯作者:

韩剑桥(1987-),男,博士、副研究员,研究方向为流域洪水泥沙灾害等,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20222254
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2种不同金属材料的力学参数

Family
属数
Number of
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种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
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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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