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徐州市郊大气气溶胶光学特性时序动态变化分析

Temporal Analysis of Optical Characteristics of Aerosol in Xuzhou Suburb

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摘要

为获取徐州市郊大气气溶胶污染特征规律,利用地基遥感手段对2013年7月~2014年5月间徐州市郊气溶胶特性参数进行分析,结果揭示:(1)受冬季燃煤 供暖和夏季秸秆焚烧等因素影响,气溶胶光学厚度季节特征显著,且月际、日内波动性显著;(2)气溶胶粒子多含水分,干粒子极少,主要为混合型和人为污染型; (3)5月气溶胶以粗粒子为主控粒子,其余月份均以细粒子为主,且气溶胶粒子类型多样,成分复杂;(4)春季粗模态的气溶胶粒子多于细模态粒子,夏季 则相反,秋冬季节粗细模态粒子分布相当;另外,观测期间内徐州市郊基本未受到沙尘天气的干扰,积聚模态下的细粒子对徐州市郊气溶胶高污染的贡献更大。

Abstract

In order to obtain the characteristics of the aerosol of Xuzhou city, based on CE-318, parameters of the optical characteristics of aerosol in Xuzhou suburb from July, 2013 to May, 2014 were employed for the analysis. The results show that: (1) Influenced by coal heating and straw burning, significant difference exists in each season, month and day. (2) Most aerosol particles contain moisture, which belong to the mixed type and anthropogenic pollution type. There exist few dry particles. (3) Fine particles with complicated composition play a dominant role except for May. (4) There exist more coarse particles in the spring than in the summer, which is equivalent in the autumn and winter. In addition, there exists rare dust weather during the analysis, fine particles make a greater contribution to the air pollution in Xuzhou city.

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中图分类号:X513

DOI:10.3969/j.issn.1673-6141.2017.03.002

所属栏目:大气光学

基金项目:Supported by General University Science Research Project of Anhui Province(安徽省高校自然科学研究一般项目,KJ2015B16), Key Project of Natural Science in Anhui Province Department of Education(安徽省教育厅自然科学重点项目,KJ2015A245), Project in the Youth Elite Support Plan in Universities of Anhui Province(安徽省高校优秀青年人才支持计划重点项目,gxyqZD2016326)

收稿日期:2015-12-04

修改稿日期:2015-12-10

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吕鑫:滁州学院地理信息与旅游学院,安徽 滁州 239000浙江臻善科技有限公司遥感处理应用中心,浙江杭州 311100
吕楚男:浙江臻善科技有限公司遥感处理应用中心,浙江杭州 311100
李霞:滁州学院地理信息与旅游学院,安徽 滁州 239000
徐建辉:滁州学院地理信息与旅游学院,安徽 滁州 239000
郭庆彪:中国矿业大学环境与测绘学院,江苏 徐州 221116

联系人作者:吕鑫(lvxinbetter@163.com)

备注:吕鑫(1989-),女,黑龙江哈尔滨人,硕士,助教,主要从事大气气溶胶方面的研究。

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引用该论文

LV Xin,LV Chunan,LI Xia,XU Jianhui,GUO Qingbiao. Temporal Analysis of Optical Characteristics of Aerosol in Xuzhou Suburb[J]. Journal of Atmospheric and Environmental Optics, 2017, 12(3): 169-176

吕鑫,吕楚男,李霞,徐建辉,郭庆彪. 徐州市郊大气气溶胶光学特性时序动态变化分析[J]. 大气与环境光学学报, 2017, 12(3): 169-176

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