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Aerosol optical properties over urban and industrial region of Northeast China by using ground-based sun-photometer measurement

机译：地面日光光度法测量东北城市和工业区的气溶胶光学性质

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摘要

The special and temporal characteristics of aerosol optical depth (AOD) and Angstrom exponent (Alpha) were analyzed by using the data from a CE318 sun-photometer at Shenyang, Anshan, Benxi and Fushun in urban and industrial region of northeastern China. The high AODs over Shenyang and Fushun occurred in the summer and winter with two peaks. In contrast, the monthly averaged AODs at Anshan and Benxi have a single peak distribution. The AOD frequency distribution at Shenyang and Benxi can be well fit by a bi-modal normal distribution with r2 = 0.94 and 0.91. The AOD frequency distribution at Anshan and Fushun have identical peak value at approximately 0.40. The seasonal AOD at Benxi is larger than the other three stations, and the seasonal Alpha at Shenyang is the largest of all stations followed by Anshan, Fushun and Benxi. An analysis of the AOD and Alpha scatterplots suggests that the aerosol size in Shenyang, Anshan, Benxi and Fushun can be affected by both fine and coarse particles.
机译：利用中国东北沉阳，鞍山，本溪和抚顺的CE318太阳光度计的数据，分析了气溶胶光学深度（AOD）和埃指数（Alpha）的特殊和时间特征。沉阳和抚顺地区的AOD较高，发生在夏季和冬季，有两个高峰。相比之下，鞍山和本溪的月平均AOD有一个峰值分布。沉阳和本溪的AOD频率分布可以通过r2 = 0.94和0.91的双峰正态分布很好地拟合。鞍山和抚顺的AOD频率分布在约0.40处具有相同的峰值。本溪的季节性AOD值比其他三个气象站都要大，而沉阳的Alpha季节性值则是所有气象站中最大的，其次是鞍山，抚顺和本溪。对AOD和Alpha散点图的分析表明，沉阳，鞍山，本溪和抚顺的气溶胶大小可能受细颗粒和粗颗粒的影响。

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  • 来源
    《Atmospheric environment》 |2013年第8期|270-278|共9页
  • 作者

    Hujia Zhao; Huizheng Che; Xiaoye Zhang; Yanjun Ma; Yangfeng Wang; Xuxin Wang; Chuang Liu; Bo Hou; Haochi Che;

  • 作者单位

    Key Laboratory for Atmospheric Chemistry (LAC), Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences (CAMS), CMA, 46 Zhong-Guan-Cun S. Ave., Beijing 100081, China,University of Chinese Academy of Science, Beijing 100049, China,Institute of Atmospheric Environment, China Meteorological Administration, Shenyang 110016, China;

    Key Laboratory for Atmospheric Chemistry (LAC), Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences (CAMS), CMA, 46 Zhong-Guan-Cun S. Ave., Beijing 100081, China;

    Key Laboratory for Atmospheric Chemistry (LAC), Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences (CAMS), CMA, 46 Zhong-Guan-Cun S. Ave., Beijing 100081, China;

    Institute of Atmospheric Environment, China Meteorological Administration, Shenyang 110016, China;

    Institute of Atmospheric Environment, China Meteorological Administration, Shenyang 110016, China;

    Anshan Meteorological Bureau, Anshan 114004, China;

    Benxi Meteorological Bureau, Benxi 117000, China;

    Fushun Meteorological Bureau, Fushun 113006, China;

    Key Laboratory for Atmospheric Chemistry (LAC), Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences (CAMS), CMA, 46 Zhong-Guan-Cun S. Ave., Beijing 100081, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Aerosol optical depth; Angstrom exponent; Sun-photometer; Northeast China;

    机译：气溶胶光学深度;埃指数;太阳光度计中国东北;

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