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夏秋季北京大气可吸入气溶胶(PM10)浓度及其中化学组分分析

Analysis on Concentration and Chemical Composition of PM10 in Summer and Autumn in Beijing

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【作者】 张凯王跃思温天雪徐宏辉李江

【Author】 ZHANG Kai1,2,WANG Yue-si1,WEN Tian-xue1,XU Hong-hui1,2,LI Jiang1 (1.Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029,China;2.Graduate University of the Chinese Academy of Sciences,Beijing 100049,China)

【机构】 中国科学院大气物理研究所中国科学院研究生院

【摘要】 观测了2004年10月和2005年6月北京大气PM10中水溶性组分、总碳、总有机碳及元素成分.分析发现,北京大气PM10的浓度2004年10月为(186.1±113.9)μg/m3,2005年6月为(113.4±82.1)μg/m3.其中总碳(TC)、总有机碳(TOC)、水溶性成分的浓度范围秋季(10月)分别为19.3~33.9,12.9~25.8,89.8~118.9μg/m3,夏季(6月)分别为16.8~59.4,11.8~56.0,49.7~69.8μg/m3.PM10的浓度和水溶性浓度秋季(10月)高于夏季(6月),TOC的浓度夏季略高,TC和总元素浓度夏秋季节相差不大.

【Abstract】 The concentrations of PM10,total carbon(TC),total organic carbon(TOC),water-soluble ions and chemical elements of aerosol in PM10 were analyzed in October 2004 and June 2005 in Beijing.The result showed that the concentration of PM10 was(186.1±113.9) μg/m3 in autumn(Oct) and(113.4±82.1) μg/m3 in summer(June).The concentrations of TC,TOC and water-soluble ions in PM10 were 19.3~33.9,12.9~25.8,90.0 μg/m3,respectively in summer(June) and 16.8~59.4,11.8~56.0,69.8 μg/m3 in autumn(October).The concentrations of PM10 and total water-soluble ions were higher in autumn than those in summer.The concentration of TOC in PM10 was higher in summer than that in autumn,and the concentrations of TC and the total chemical elements were similar in summer and autumn.

  • 【文献出处】 过程工程学报 ,The Chinese Journal of Process Engineering , 编辑部邮箱 ,2006年S2期
  • 【分类号】X513
  • 【被引频次】3
  • 【下载频次】173
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