Urban dust in the Guanzhong Basin of China, part I: A regional distribution of dust sources retrieved using satellite data
文献类型：期刊论文
| 作者 | Zhao, Shuyu4; Li, Guohui4; Feng, Tian4; Zhao, Mudan3; Huang, Rujin2,4; Cao, Junji1,4; Tie, Xuexi4,5; Li, Nan4,6; Long, Xin4,7 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2016-01-15 |
| 卷号 | 541期号:2016页码:1603-1613 |
| 关键词 | Regional Construction Dust Wrf-dust Model Urban Dust Source Satellite Data |
| DOI | 10.1016/j.scitotenv.2015.10.063 |
| 文献子类 | Article |
| 英文摘要 | Urban dust pollution has been becoming an outstanding environmental problem due to rapid urbanization in China. However, it is very difficult to construct an urban dust inventory, owing to its small horizontal scale and strong temporal/spatial variability. With the analysis of visual interpretation, maximum likelihood classification, extrapolation and spatial overlaying, we quantified dust source distributions of urban constructions, barrens and croplands in the Guanzhong Basin using various satellite data, including VHR (0.5 m), Lansat-8 OLI (30 m) and MCD12Q1 (500 m). The croplands were the dominant dust sources, accounting for 40% (17,913 km(2)) of the study area in summer and 36% (17,913 km(2)) in winter, followed by barrens, accounting for 5% in summer and 10% in winter. Moreover, the total constructions were 126 km(2), including 84% of active and 16% inactive. In addition, 59% of the constructions aggregated on the only megacity of the study area, Xi'an. With high accuracy exceeding 88%, the proposed satellite-data based method is feasible and valuable to quantify distributions of dust sources. This study provides a new perspective to evaluate regional urban dust, which is seldom quantified and reported. In a companied paper (Part-2 of the study), the detailed distribution of the urban dust sources is applied in a dynamical/aerosol model (WRF-Dust) to assess the effect of dust sources on aerosol pollution. (C) 2015 Elsevier B.V. All rights reserved. |
| WOS关键词 | MAXIMUM-LIKELIHOOD CLASSIFICATION ; CONSTRUCTION ; POLLUTION ; XIAN |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000365289300159 |
| 源URL | [http://ir.ieecas.cn/handle/361006/5865]  |
| 专题 | 地球环境研究所_粉尘与环境研究室 |
| 作者单位 | 1.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China 2.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland 3.NW Univ Xian, Coll Urban & Environm Sci, Xian 710127, Peoples R China 4.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China 5.Natl Ctr Atmospher Res, Boulder, CO 80303 USA 6.Natl Taiwan Univ, Dept Atmospher Sci, Taipei 10617, Taiwan 7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Shuyu,Li, Guohui,Feng, Tian,et al. Urban dust in the Guanzhong Basin of China, part I: A regional distribution of dust sources retrieved using satellite data[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,541(2016):1603-1613. |
| APA | Zhao, Shuyu.,Li, Guohui.,Feng, Tian.,Zhao, Mudan.,Huang, Rujin.,...&Long, Xin.(2016).Urban dust in the Guanzhong Basin of China, part I: A regional distribution of dust sources retrieved using satellite data.SCIENCE OF THE TOTAL ENVIRONMENT,541(2016),1603-1613. |
| MLA | Zhao, Shuyu,et al."Urban dust in the Guanzhong Basin of China, part I: A regional distribution of dust sources retrieved using satellite data".SCIENCE OF THE TOTAL ENVIRONMENT 541.2016(2016):1603-1613. |
入库方式： OAI收割
来源：地球环境研究所
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