北京郊区夏季PM2.5和黑碳气溶胶的观测资料分析

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北京郊区夏季PM2.5和黑碳气溶胶的观测资料分析荆俊山1,2张仁健1陶俊3 1中国科学院大气物理研究所东亚区域气候—环境重点实验室,北京1000292中国科学院研究生院,北京100049;3环境保护部华南环境科学研究所,广州510655 城市近郊常受到城区污染物扩散和输送的影响,2010年7月21日至8月6日利用β射线颗粒物连续监测仪和黑碳仪对北京西北郊区PM2.5和黑碳气溶胶(BC)进行了连续观测。

结果表明,北京西北郊区夏季PM2.5和BC的质量浓度分别是(133.16±81.64)、(2. 89±1.62)μg/m3。

受明显的山谷风的影响,来自观测点东南方的城区的气流使PM2.5和BC浓度升高,来自观测点西北方向的风则使PM2.5和BC浓度降低。

受局地排放、区域输送和气象条件的共同影响,郊区的PM2.5和BC浓度表现出明显日变化特征,二者浓度在上午、傍晚和夜间显著上升。

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Analysis on charaeteristic of atmospheric boundary layer during a typical heavy fog process in Beijing area. Plateau Meteorology ( in Chinese), 2010, 29(5) : 1174-1182.万方数据北京郊区夏季PM2.5和黑碳气溶胶的观测资料分析作者:荆俊山, 张仁健, 陶俊, JING Junshan, ZHANG Renjian, TAO Jun作者单位:荆俊山,JING Junshan(中国科学院大气物理研究所东亚区域气候—环境重点实验室,北京100029;中国科学院研究生院,北京100049), 张仁健,ZHANG Renjian(中国科学院大气物理研究所东亚区域气候—环境重点实验室,北京,100029), 陶俊,TAO Jun(环境保护部华南环境科学研究所,广州,510655)刊名:气象科学英文刊名:Scientia Meteorologica Sinica年,卷(期):2011,31(4)本文链接:/Periodical_qxkx201104019.aspx。