全球冰冻圈灾害高风险区:影响与态势

被引：35

作者：

王世金 ^{[1
]}

效存德 ^{[2
]}

机构：

[1] 中国科学院西北生态环境资源研究院冰冻圈科学国家重点实验室

[2] 北京师范大学地理科学学部地表过程与资源生态国家重点实验室

来源：

科学通报 | 2019年 / 64卷 / 09期

基金：

国家杰出青年科学基金;

关键词：

冰冻圈灾害; 高风险区; 陆地冰冻圈; 海洋冰冻圈; 大气冰冻圈;

D O I：

暂无

中图分类号：

X43 [自然灾害及其防治];

学科分类号：

083002 ; 0837 ;

摘要：

20世纪70年代以来,全球增温显著,冰冻圈快速变化事件发生频率在增加,由此引发和即将引发的冰冻圈灾害危害巨大.冰冻圈不同灾种成灾机理、承灾体及其孕灾环境各异,灾害分布具有明显的空间分异特征.基于已有研究成果,较系统地阐述了冰冻圈灾害成灾机理,梳理了冰冻圈灾害类型、时间尺度、空间分异及其类型区划.在此基础上,揭示了全球冰冻圈灾害高风险区的综合影响及其态势.冰冻圈变化-冰冻圈灾害风险-冰冻圈风险管控链条关系紧密,亟需加强冰冻圈变化对社会经济系统的综合风险分析、评估和理解,以期针对性地调整未来冰冻圈灾害高风险区经济社会活动轨迹,有差别地制定冰冻圈灾害高风险区防灾减灾规划,以降低冰冻圈灾害风险和提高可持续发展能力.

引用

页码：890 / 900

页数：11

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