大连市冬季一次典型大气重污染过程的成因分析  

Analysis on The Contributing Factors of A Typical Serious Air Pollution Episode in Winter of Dalian

作　　者：包艳英[1] 纪德钰[1] 徐洁[1] 

机构地区：[1]大连市环境监测中心,辽宁大连116023

出　　处：《中国环境管理干部学院学报》2017年第1期85-90,共6页Journal of Environmental Management College of China

摘　　要：从污染过程演变、天气条件分析、颗粒物组分变化、污染输送分析、后向轨迹分析等几方面,对大连市2014年12月28~29日发生的一次典型大气重污染过程的成因展开分析。分析结果表明:稳定的大气环流形势、地面风速小、湿度大,为此次污染的累积提供了有利气象条件;京津冀地区污染物的持续输送是此次重污染过程形成的主要原因。The causes of a typical serious air pollution episode occurred in Dalian city on December28 -29, 2014 was studied in term of the evolution of pollution process, the evolution of weather conditions, the change of particle composition, pollution transportation analysis, and backward trajectory analysis.The major results were as follows：（a） the stable atmospheric circulation, small wind speed and high humidity in surface provided favorable meteorological conditions for the accumulation of serious pollution.（b） the continuously pollution transmission from Beijing, Tianjin and Hebei region was the main reasons for the formation of the serious air pollution episode.

关 键 词：重污染 成因 气象条件 污染传输 

分 类 号：X511[环境科学与工程—环境工程]