摘要
利用2002年沈阳市沙尘天气时的环境监测资料和气象资料进行分析得出浮尘天气时环境空气中PM10浓度最大,空气污染最严重,空气中的尘主要来源于我国西北沙漠地区;沙尘暴出现频率低,持续时间短,但强度大,空气中PM10主要来源科尔沁沙漠、省内荒漠地带及本市地表沙尘;扬沙天气污染相对较轻,空气的PM10以本地地表尘为主。
In the article air pollution is analyzed for the sand and dust weather in 2002 in Shenyang.According to the data of environmental monitoring and meteorology,the analytical result shows that the concentration of PM_~10 is the highest and the air pollution is the worst in light dust weather,which the dust is mainly from the northwest deserts in China;sandstorm appears few,prolonging time is short, but its intension is strong,the PM_~10 in the air is mainly from Keerqin Desert,desert delt and ground dust in local place;the pollution in blowing sand weather is light,the PM_(10) in the air is mainly from ground dust in local place.
出处
《环境保护科学》
CAS
2005年第1期44-46,共3页
Environmental Protection Science
