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题名: The relationship between anthropogenic dust and population over global semi-arid regions
作者: Guan, XD; Huang, JP(黄建平); Zhang, YT; Xie, YK; Liu, JJ
收录类别: SCIE
出版日期: 2016
刊名: ATMOSPHERIC CHEMISTRY AND PHYSICS
卷号: 16, 期号:8, 页码:5159-5169
出版者: COPERNICUS GESELLSCHAFT MBH
出版地: GOTTINGEN
英文摘要: Although anthropogenic dust has received more attention from the climate research community, its dominant role in the production process is still not identified. In this study, we analysed the relationship between anthropogenic dust and population density/change over global semi-arid regions and found that semi-arid regions are major source regions in producing anthropogenic dust. The results showed that the relationship between anthropogenic dust and population is more obvious in cropland than in other land cover types (crop mosaics, grassland, and urbanized regions) and that the production of anthropogenic dust increases as the population density grows to more than 90aEuro-personsaEuro-km(-2). Four selected semi-arid regions, namely East China, India, North America, and North Africa, were used to explore the relationship between anthropogenic dust production and regional population. The most significant relationship between anthropogenic dust and population occurred in an Indian semi-arid region that had a greater portion of cropland, and the high peak of anthropogenic dust probability appeared with 220aEuro-personsaEuro-km(-2) of population density and 60aEuro-personsaEuro-km(-2) of population change. These results suggest that the influence of population on production of anthropogenic dust in semi-arid regions is obvious in cropland regions. However, the impact does not always have a positive contribution to the production of anthropogenic dust, and overly excessive population will suppress the increase of anthropogenic dust. Moreover, radiative and climate effects of increasing anthropogenic dust need more investigation.
作者部门: [Guan, Xiaodan ; Huang, Jianping ; Zhang, Yanting ; Xie, Yongkun] Lanzhou Univ, Minist Educ, Coll Atmospher Sci, Key Lab Semi Arid Climate Change, Lanzhou 730000, Peoples R China ; [Liu, Jingjing] Xian Univ Technol, Sch Mech & Instrument Engn, Xian 710048, Peoples R China
通讯作者: Huang, JP (reprint author), Lanzhou Univ, Minist Educ, Coll Atmospher Sci, Key Lab Semi Arid Climate Change, Lanzhou 730000, Peoples R China.
学科分类: Meteorology & Atmospheric Sciences
文章类型: Article
所属项目编号: National Basic Research Program of China [2012CB955301] ; National Science Foundation of China [41305009, 41575006, 41521004, 41175084] ; China 111 project [B 13045] ; Fundamental Research Funds for the Central Universities [lzujbky-2015-2, lzujbky-2015-ct03]
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) ; 高等学校学科创新引智计划(111计划) ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; MOST ; MOE ; SAFEA ; LZU
语种: 英语
DOI: 10.5194/acp-16-5159-2016
ISSN号: 1680-7316
WOS记录号: WOS:000376937000024
IR记录号: WOS:000376937000024
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/182593
Appears in Collections:大气科学学院_期刊论文

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Recommended Citation:
Guan, XD,Huang, JP,Zhang, YT,et al. The relationship between anthropogenic dust and population over global semi-arid regions[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2016,16(8):5159-5169.
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