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气象—化学双向耦合模式(WRF-NAQPMS)研制及其在京津冀秋季重霾模拟中的应用

王哲 王自发 李杰 郑海涛 晏平仲 李健军

王哲, 王自发, 李杰, 郑海涛, 晏平仲, 李健军. 气象—化学双向耦合模式(WRF-NAQPMS)研制及其在京津冀秋季重霾模拟中的应用[J]. 气候与环境研究, 2014, 19(2): 153-163. doi: 10.3878/j.issn.1006-9585.2014.13231
引用本文: 王哲, 王自发, 李杰, 郑海涛, 晏平仲, 李健军. 气象—化学双向耦合模式(WRF-NAQPMS)研制及其在京津冀秋季重霾模拟中的应用[J]. 气候与环境研究, 2014, 19(2): 153-163. doi: 10.3878/j.issn.1006-9585.2014.13231
WANG Zhe, WANG Zifa, LI Jie, ZHENG Haitao, YAN Pingzhong, LI Jianjun. Development of a Meteorology-Chemistry Two-Way Coupled Numerical Model (WRF-NAQPMS) and Its Application in a Severe Autumn Haze Simulation over the Beijing-Tianjin-Hebei Area, China[J]. Climatic and Environmental Research, 2014, 19(2): 153-163. doi: 10.3878/j.issn.1006-9585.2014.13231
Citation: WANG Zhe, WANG Zifa, LI Jie, ZHENG Haitao, YAN Pingzhong, LI Jianjun. Development of a Meteorology-Chemistry Two-Way Coupled Numerical Model (WRF-NAQPMS) and Its Application in a Severe Autumn Haze Simulation over the Beijing-Tianjin-Hebei Area, China[J]. Climatic and Environmental Research, 2014, 19(2): 153-163. doi: 10.3878/j.issn.1006-9585.2014.13231

气象—化学双向耦合模式(WRF-NAQPMS)研制及其在京津冀秋季重霾模拟中的应用

doi: 10.3878/j.issn.1006-9585.2014.13231
基金项目: 中国科学院战略性先导科技专项XDB05030200,国家自然科学基金项目41275138

Development of a Meteorology-Chemistry Two-Way Coupled Numerical Model (WRF-NAQPMS) and Its Application in a Severe Autumn Haze Simulation over the Beijing-Tianjin-Hebei Area, China

  • 摘要: 为解析大气污染物与气象的双向反馈机制及其对气象和环境的影响,建立基于Mie散射理论的气溶胶—光学性质模块,研制气象-化学双向耦合器,以嵌套网格空气质量预报模式NAQPMS (Nested Air Quality Prediction Modeling System)为基础,建立了NAQPMS和中尺度气象模式WRF (Weather Research and Forecasting Model)的双向耦合模式(WRF-NAQPMS)。利用此模式数值模拟了2013年9月27日至10月1日的北京-天津-河北地区一次秋季严重灰霾过程。结果表明,考虑气溶胶辐射反馈的双向耦合模式模拟的气象要素和细颗粒物(PM2.5)浓度与观测结果更为一致。灰霾期间,气溶胶直接辐射效应显著改变了边界层气象要素,北京-天津-河北地区地面接收的太阳短波辐射减少25%,2 m高度的温度平均下降1 ℃,湍流动能下降20%,10 m高度的风速降低超过0.2 m/s,边界层高度下降25%,使得边界层大气更加静稳,进而造成了重污染地区污染进一步加剧,如石家庄近地面细颗粒物浓度增加可达30%。分析表明灰霾与边界层气象要素之间存在一种正反馈机制,采用该机制的双向耦合模式有利于准确模拟和预报灰霾污染过程。
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出版历程
  • 收稿日期:  2013-12-23
  • 修回日期:  2014-02-10

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