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DOI | 10.1016/j.atmosenv.2020.118166 |
Asian dust impacts on heterogeneous ice formation at Wuhan based on polarization lidar measurements | |
Yin Z.; Yi F.; He Y.; Liu F.; Yu C.; Zhang Y.; Wang W. | |
发表日期 | 2021 |
ISSN | 1352-2310 |
卷号 | 246 |
英文摘要 | We analyzed 456 thin mid-level cloud layers based on two-year polarization lidar measurements in Wuhan (30.53°N, 114.37°E), China. Dust separation algorithm based on lidar measurements was implemented to identify clouds under influences of dust and non-dust components. Through comparisons of ice-containing cloud fractions under dust and dust-free conditions, significant impacts of Asian dust on heterogeneous ice formation are found. 20% more ice-containing cloud fractions occurred under influence of Asian dust at temperature range from −25 to −10 °C. More than 90% of dust-related heterogeneous ice formation were associated with polluted dust. In order to investigate the efficiency of non-dust components to serve as ice nuclei (IN), results at two continental sites (Wuhan, East Asia and Leipzig, Central Europe) with very different aerosol loadings were compared and discussed. Weak and similar ice nucleation characteristics under dust-free conditions of different loadings of sulfate, black carbon and organic carbon, may suggest such components are all less effective INs. © 2020 Elsevier Ltd |
关键词 | Asian dustCloud phase identificationDust separationHeterogeneous ice formationPolarization lidar |
语种 | 英语 |
scopus关键词 | Dust; Optical radar; Organic carbon; Polarization; Sulfur compounds; Aerosol loading; Central Europe; Cloud fraction; Dust separation; Ice formations; Ice nucleation; Lidar measurements; Temperature range; Ice; black carbon; ice; organic carbon; sulfate; aerosol; algorithm; black carbon; dust; lidar; nucleation; organic carbon; polarization; aerosol; air pollution; air temperature; algorithm; Article; Asia; China; cloud; continental ice; controlled study; dust; Europe; polarization; priority journal; temperature; Central Europe; China |
来源期刊 | ATMOSPHERIC ENVIRONMENT
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/248633 |
作者单位 | School of Electronic and Information, Wuhan University, Wuhan, 430072, China; Key Laboratory of Geospace Environment and Geodesy, Ministry of Education, Wuhan, 430072, China; State Observatory for Atmospheric Remote Sensing, Wuhan, 430072, China |
推荐引用方式 GB/T 7714 | Yin Z.,Yi F.,He Y.,et al. Asian dust impacts on heterogeneous ice formation at Wuhan based on polarization lidar measurements[J],2021,246. |
APA | Yin Z..,Yi F..,He Y..,Liu F..,Yu C..,...&Wang W..(2021).Asian dust impacts on heterogeneous ice formation at Wuhan based on polarization lidar measurements.ATMOSPHERIC ENVIRONMENT,246. |
MLA | Yin Z.,et al."Asian dust impacts on heterogeneous ice formation at Wuhan based on polarization lidar measurements".ATMOSPHERIC ENVIRONMENT 246(2021). |
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