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Exploring the effects of landscape structure onaerosol optical depth (AOD) patterns using GIS andHJ-1B images
Ye,LP(Ye,Luping)1; Fang,LC(Fang,Linchuan)2; Tan,WF(Tan,Wenfeng)1; Wang,YQ(Wang,Yunqiang)3; Huang,Y(Huang,Yu)4; Fang,Linchuan
2016-02
发表期刊Environmental Science Processes & Impacts
卷号18期号:2页码:265-276
文章类型期刊论文
摘要A GIS approach and HJ-1B images were employed to determine the effect of landscape structure on aerosol optical depth (AOD) patterns. Landscape metrics, fractal analysis and contribution analysis were proposed to quantitatively illustrate the impact of land use on AOD patterns. The high correlation between the mean AOD and landscape metrics indicates that both the landscape composition and spatial structure affect the AOD pattern. Additionally, the fractal analysis demonstrated that the densities of built-up areas and bare land decreased from the high AOD centers to the outer boundary, but those of water and forest increased. These results reveal that the built-up area is the main positive contributor to air pollution, followed by bare land. Although bare land had a high AOD, it made a limited contribution to regional air pollution due to its small spatial extent. The contribution analysis further elucidated that built-up areas and bare land can increase air pollution more strongly in spring than in autumn, whereas forest and water have a completely opposite effect. Based on fractal and contribution analyses, the different effects of cropland are ascribed to the greater vegetation coverage from farming activity in spring than in autumn. The opposite effect of cropland on air pollution reveals that green coverage and human activity also influence AOD patterns. Given that serious concerns have been raised regarding the effects of built-up areas, bare land and agricultural air pollutant emissions, this study will add fundamental knowledge of the understanding of the key factors influencing urban air quality.
DOI10.1039/c5em00538h
收录类别SCI
所属项目编号41202136 ; 41571314 ; 2014M550513 ; 2012JQ5010
语种英语
项目资助者National NaturalScience of Foundation of China ; National NaturalScience of Foundation of China ; Postdoctoral Science Foundation of China ; Postdoctoral Science Foundation of China ; Natural Science Basic Research Plan in the Shaanxi Provinceof China ; Natural Science Basic Research Plan in the Shaanxi Provinceof China
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5867
专题生态环境研究室
通讯作者Fang,Linchuan
作者单位1.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministryof Water Resources, Yangling 712100, China
2.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Northwest A&F University, Yangling 712100, China
3.State Key Laboratory of Loess and Quaternary Geology, Institute of EarthEnvironment, Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
4.Wuhan Environmental Protection Sciences Research Institute, Wuhan 430000, China
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Ye,LP,Fang,LC,Tan,WF,et al. Exploring the effects of landscape structure onaerosol optical depth (AOD) patterns using GIS andHJ-1B images[J]. Environmental Science Processes & Impacts,2016,18(2):265-276.
APA Ye,LP,Fang,LC,Tan,WF,Wang,YQ,Huang,Y,&Fang,Linchuan.(2016).Exploring the effects of landscape structure onaerosol optical depth (AOD) patterns using GIS andHJ-1B images.Environmental Science Processes & Impacts,18(2),265-276.
MLA Ye,LP,et al."Exploring the effects of landscape structure onaerosol optical depth (AOD) patterns using GIS andHJ-1B images".Environmental Science Processes & Impacts 18.2(2016):265-276.
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