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题名: Accelerated dryland expansion under climate change
作者: Huang, JP(黄建平); Yu, HP; Guan, XD; Wang, GY; Guo, RX
收录类别: SCIE ; SSCI ; ESI
ESI注释: 2017-07-19;Highly Cited Papers;Hot Papers
出版日期: 2016-02
刊名: NATURE CLIMATE CHANGE
卷号: 6, 期号:2, 页码:166
出版者: NATURE PUBLISHING GROUP
出版地: LONDON
英文摘要: Drylands are home to more than 38% of the total global population and are one of the most sensitive areas to climate change and human activities(1,2). Projecting the areal change in drylands is essential for taking early action to prevent the aggravation of global desertification(3,4). However, dryland expansion has been underestimated in the Fifth Coupled Model Intercomparison Project (CMIP5) simulations(5) considering the past 58 years (1948-2005). Here, using historical data to bias-correct CMIP5 projections, we show an increase in dryland expansion rate resulting in the drylands covering half of the global land surface by the end of this century. Dryland area, projected under representative concentration pathways (RCPs) RCP8.5 and RCP4.5, will increase by 23% and 11%, respectively, relative to 1961-1990 baseline, equalling 56% and 50%, respectively, of total land surface. Such an expansion of drylands would lead to reduced carbon sequestration and enhanced regional warming(6,7), resulting in warming trends over the present drylands that are double those over humid regions. The increasing aridity, enhanced warming and rapidly growing human population will exacerbate the risk of land degradation and desertification in the near future in the drylands of developing countries, where 78% of dryland expansion and 50% of the population growth will occur under RCP8.5.
作者部门: [Huang, Jianping ; Yu, Haipeng ; Guan, Xiaodan ; Wang, Guoyin ; Guo, Ruixia] Lanzhou Univ, Key Lab Semiarid Climate Change, Minist Educ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China
通讯作者: Huang, JP (reprint author), Lanzhou Univ, Key Lab Semiarid Climate Change, Minist Educ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China.
学科分类: Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
文章类型: Article
所属项目编号: National Basic Research Program of China [2012CB955301] ; Special Public Welfare Research Fund of China [GYHY201206009] ; National Science Foundation of China [41521004, 41305009, 41405010] ; China University Research Talents Recruitment Program (111 project) [B13045]
所属项目名称: 国家自然科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划) ; 公益性行业科研专项 ; 高等学校学科创新引智计划(111计划)
项目资助者: NSFC ; MOST ; MOE ; SAFEA
语种: 英语
DOI: 10.1038/NCLIMATE2837
ISSN号: 1758-678X
WOS记录号: WOS:000370963400017
IR记录号: WOS:000370963400017
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/182651
Appears in Collections:大气科学学院_期刊论文

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Recommended Citation:
Huang, JP,Yu, HP,Guan, XD,et al. Accelerated dryland expansion under climate change[J]. NATURE CLIMATE CHANGE,2016,6(2):166.
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