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辽宁中部城市群灰霾污染的外来影响

洪也 杨婷 王喜全 马雁军 关颖 张云海 周德平 王扬锋 刘宁微

洪也, 杨婷, 王喜全, 马雁军, 关颖, 张云海, 周德平, 王扬锋, 刘宁微. 辽宁中部城市群灰霾污染的外来影响[J]. 气候与环境研究, 2015, 20(6): 675-684. doi: 10.3878/j.issn.1006-9585.2015.14278
引用本文: 洪也, 杨婷, 王喜全, 马雁军, 关颖, 张云海, 周德平, 王扬锋, 刘宁微. 辽宁中部城市群灰霾污染的外来影响[J]. 气候与环境研究, 2015, 20(6): 675-684. doi: 10.3878/j.issn.1006-9585.2015.14278
HONG Ye, YANG Ting, WANG Xiquan, MA Yanjun, GUAN ying, ZHANG Yunhai, ZHOU Deping, WANG Yangfeng, LIU Ningwei. Extrinsic Influence of Haze Episodes in the Central City Group of Liaoning Province[J]. Climatic and Environmental Research, 2015, 20(6): 675-684. doi: 10.3878/j.issn.1006-9585.2015.14278
Citation: HONG Ye, YANG Ting, WANG Xiquan, MA Yanjun, GUAN ying, ZHANG Yunhai, ZHOU Deping, WANG Yangfeng, LIU Ningwei. Extrinsic Influence of Haze Episodes in the Central City Group of Liaoning Province[J]. Climatic and Environmental Research, 2015, 20(6): 675-684. doi: 10.3878/j.issn.1006-9585.2015.14278

辽宁中部城市群灰霾污染的外来影响

doi: 10.3878/j.issn.1006-9585.2015.14278
基金项目: 中国气象局沈阳大气环境研究所基本科研业务费项目2015IAE-CMA01,环保公益性行业科研专项200809144,国家自然科学基金应急管理项目414400364,国家自然科学基金项目41375146,气象关键技术集成与应用项目CAMGJ2012M14,公益性行业(气象)科研专项GYHY201406031-1,辽宁省科技厅项目2013229031

Extrinsic Influence of Haze Episodes in the Central City Group of Liaoning Province

  • 摘要: 利用MODIS(MODerate-resolution Imaging Spectroradiometer)卫星资料、空气质量监测资料、地面气象资料及后向轨迹方法,对辽宁中部城市群代表性城市——沈阳市2009年全年发生的30 d首要污染物为PM10(空气动力学当量直径小于等于10 μm的颗粒物,即可吸入颗粒物)且空气污染指数API(Air pollution Index)为3级及以上污染过程的天气形势及污染来源进行了综合分析。研究结果表明:引发3级以上重污染事件的天气形势主要为4类,分别为高压均压场型(包括高压后均压场型、高压前均压场型和高压内均压场型)、长白山小高压型、弱低压场型及地形槽型。发生污染天气时气流主要有两个来向,即西南方向的京津冀来向和偏北方向的内蒙和长春来向。气流来自偏南方向的天数最多,为19 d。其中最容易受京津冀影响的天气型为高压后均压场型和地形槽型,共有8 d,占总污染天数的26.7%。因此,来自京津冀的外来输送对于辽宁中部城市群霾污染的影响不容小视,辽宁中部城市群空气质量的改善与临近区域的改善紧密相关。
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  • 收稿日期:  2014-12-22
  • 修回日期:  2015-05-27

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