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中国农学通报 ›› 2014, Vol. 30 ›› Issue (33): 168-175.doi: 10.11924/j.issn.1000-6850.2014-0805

所属专题: 农业气象

• 资源 环境 生态 土壤 气象 • 上一篇    下一篇

沈阳周边城市群大气污染物的输送场分析研究

沈秋宇,于杨,关惠戈   

  1. 辽宁省气象局,辽宁省气象信息中心,辽宁省气象局
  • 收稿日期:2014-03-24 修回日期:2014-11-18 接受日期:2014-05-14 出版日期:2015-01-08 发布日期:2015-01-08
  • 通讯作者: 沈秋宇
  • 基金资助:
    中央级公益性科研院所基本科研业务费项目 “基于 Models-3模式系统的辽宁中部城市 PM2.5数值模拟研究” (2013IAE-CMA04)。

Atmospheric Pollutants Transportation of Shenyang Surrounding Urban Agglomeration Analysis Research

沈秋宇,于杨 and 关惠戈   

  • Received:2014-03-24 Revised:2014-11-18 Accepted:2014-05-14 Online:2015-01-08 Published:2015-01-08

摘要: 主要采用MM5数值模式模拟分析沈阳及其周边的辽阳、抚顺、鞍山和本溪地区大气污染物输送场。结果表明该区域大气环境的输送场分布特征是:冬季和秋季流场形式是西北气流为主导,大气污染物从西北向东南输送;春季和夏季该区域的流场形式是以西南风盛行,大气污染物从西南到东北方向输送,但夏季的风速高于春季,输送程度较春季强。由于流场分布、逆温及逆湿等原因,该区域的冬季大气污染物浓度最高。

关键词: 评价方法, 评价方法

Abstract: This paper mainly uses MM5 method to analysis the atmospheric pollutants transport in Shenyang, Liaoyang, Fushun, Anshan and Benxi. The results showed that: in winter and autumn, the distribution characteristics of atmospheric environment in transportation field were mainly northwest flow, the air pollutants channel was transported from northwest to southeast, while in spring and summer, this region was mainly dominated by southwest flow, the air pollutants channel was transported from southwest to northeast. However, the wind velocity in summer is higher than that in spring and the convey degree is stronger. Because of the distribution flow field, inverse humidity and inverse temperature, the air pollutants emission concentration is the highest in winter.