Analysis on the Impacts of Straw Burning on Air Quality in Beijing -Tianjing - Hebei Region  

作　　者：Ma Xiaohui Tang Yixi Sun Zhaobin Li Ziming 

机构地区：[1]Beijing Institute of Urban Meteorology,CMA,Beijing 100089,China [2]Environmental Meteorology Forecast Center of Beijing-Tianjin-Hebei,Beijing 100089,China

出　　处：《Meteorological and Environmental Research》2017年第5期49-53,共5页气象与环境研究（英文版）

基　　金：Supported by Scientific Technology Item of State Grid Corporation of China(52010115002P)

摘　　要：The beginning of October is the high occurrence period of straw burning in North China and Jianghuai region. Heavy pollution weather caused by straw burning often takes place in recent two years,and thus human factor increases the unpredictability of the air quality forecast. In the early autumn of 2015,a continuous fog-haze weather and heavy air pollution event occurred in North China and Jianghuai region due to the straw burning. In this paper,the effect of straw burning on air quality under the same adverse diffusive meteorological conditions has been analyzed by using the ground and upper air meteorological observation data and air quality monitoring data of Environmental Protection Agency in recent two years. The comparison results show that the basic conditions of heavy pollution are weak wind and the unfavorable diffusion situation. In contrast,relative humidity is the key factor,only 40% of relative humidity during the straw burning can reach heavy pollution level during no straw burning.The beginning of October is the high occurrence period of straw burning in North China and Jianghuai region. Heavy pollution weather caused by straw burning often takes place in recent two years,and thus human factor increases the unpredictability of the air quality forecast. In the early autumn of 2015,a continuous fog-haze weather and heavy air pollution event occurred in North China and Jianghuai region due to the straw burning. In this paper,the effect of straw burning on air quality under the same adverse diffusive meteorological conditions has been analyzed by using the ground and upper air meteorological observation data and air quality monitoring data of Environmental Protection Agency in recent two years. The comparison results show that the basic conditions of heavy pollution are weak wind and the unfavorable diffusion situation. In contrast,relative humidity is the key factor,only 40% of relative humidity during the straw burning can reach heavy pollution level during no straw burning.

关 键 词：FOG and HAZE Heavy AIR pollution STRAW BURNING AIR quality Weather situation 

分 类 号：X51[环境科学与工程—环境工程] X712