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Urban dust in the Guanzhong basin of China, part II: A case study of urban dust pollution using the WRF-Dust model
Li, Nan1,2; Long, Xin1,3; Tie, Xuexi1,4; Cao, Junji1,5; Huang, Rujin1,6; Zhang, Rong1; Feng, Tian1,5; Liu, Suixin1; Li, Guohui1
2016-01-15
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
卷号541期号:2016页码:1614-1624
文章类型Article
摘要We developed a regional dust dynamical model (WRF-Dust) to simulate surface dust concentrations in the Guanzhong (GZ) basin of China during two typical dust cases (19th Aug. and 26th Nov., 2013), and compared model results with the surface measurements at 17 urban and rural sites. The important improvement of the model is to employ multiple high-resolution (0.5-500 m) remote sensing data to construct dust sources. The new data include the geographic information of constructions, croplands, and barrens over the GZ basin in summer and winter of 2013. For the first time, detailed construction dust emissions have been introduced in a regional dust model in large cities of China. Our results show that by including the detailed dust sources, model performance at simulating dust pollutions in the GZ basin is significantly improved. For example, the simulated dust concentration average for the 17 sites increases from 28 mu g m(-3) to 59 mu g m(-3), closing to the measured concentration of 66 mu g m(-3). In addition, the correlation coefficient (r) between the calculated and measured dust concentrations is also improved from 0.17 to 0.57, suggesting that our model better presents the spatial variation. Further analysis shows that urban construction activities are the crucial source in controlling urban dust pollutions. It should be considered by policy makers for mitigating particulate air pollution in many Chinese cities. (C) 2015 Elsevier B.V. All rights reserved.
关键词Wrf-dust Dust Pollution Construction Dust The Guanzhong Basin
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.scitotenv.2015.10.028
关键词[WOS]ATMOSPHERIC MINERAL DUST ; SEASONAL-VARIATIONS ; LOESS PLATEAU ; FUGITIVE DUST ; AEROSOL ; CHEMISTRY ; PM10 ; XIAN ; CONSTRUCTION ; DEPOSITION
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000365289300160
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5866
专题粉尘与环境研究室
作者单位1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
2.Natl Taiwan Univ, Dept Atmospher Sci, Taipei 10617, Taiwan
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Natl Ctr Atmospher Res, Boulder, CO 80303 USA
5.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
6.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
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GB/T 7714
Li, Nan,Long, Xin,Tie, Xuexi,et al. Urban dust in the Guanzhong basin of China, part II: A case study of urban dust pollution using the WRF-Dust model[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,541(2016):1614-1624.
APA Li, Nan.,Long, Xin.,Tie, Xuexi.,Cao, Junji.,Huang, Rujin.,...&Li, Guohui.(2016).Urban dust in the Guanzhong basin of China, part II: A case study of urban dust pollution using the WRF-Dust model.SCIENCE OF THE TOTAL ENVIRONMENT,541(2016),1614-1624.
MLA Li, Nan,et al."Urban dust in the Guanzhong basin of China, part II: A case study of urban dust pollution using the WRF-Dust model".SCIENCE OF THE TOTAL ENVIRONMENT 541.2016(2016):1614-1624.
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