环境科学与管理
環境科學與管理
배경과학여관리
ENVIRONMENTAL SCIENCE AND MANAGEMENT
2012年
4期
103-107
,共5页
PM10%降雨量%大气湿度%风速
PM10%降雨量%大氣濕度%風速
PM10%강우량%대기습도%풍속
PM10%rainfall%air humidity%wind speed
利用2006年-2010年上海市青浦区PM10和同期地面气象要素的监测资料,定量分析PM10的季节变化规律以及PM10与降雨量、大气湿度和风速之间的关系。分析结果表明:PM10浓度在夏季处于低值,冬季处于高值;5 mm/d以上的降雨对PM10有显著的清除作用,且春夏季降雨的清除作用大于秋冬季节。PM10浓度与大气湿度基本呈负相关关系。风速在一定范围内有利于PM10的扩散但不至造成扬尘,春季的适宜风速是1.5~3.5m/s,冬季的适宜风速是1.5~2.5 m/s。
利用2006年-2010年上海市青浦區PM10和同期地麵氣象要素的鑑測資料,定量分析PM10的季節變化規律以及PM10與降雨量、大氣濕度和風速之間的關繫。分析結果錶明:PM10濃度在夏季處于低值,鼕季處于高值;5 mm/d以上的降雨對PM10有顯著的清除作用,且春夏季降雨的清除作用大于鞦鼕季節。PM10濃度與大氣濕度基本呈負相關關繫。風速在一定範圍內有利于PM10的擴散但不至造成颺塵,春季的適宜風速是1.5~3.5m/s,鼕季的適宜風速是1.5~2.5 m/s。
이용2006년-2010년상해시청포구PM10화동기지면기상요소적감측자료,정량분석PM10적계절변화규률이급PM10여강우량、대기습도화풍속지간적관계。분석결과표명:PM10농도재하계처우저치,동계처우고치;5 mm/d이상적강우대PM10유현저적청제작용,차춘하계강우적청제작용대우추동계절。PM10농도여대기습도기본정부상관관계。풍속재일정범위내유리우PM10적확산단불지조성양진,춘계적괄의풍속시1.5~3.5m/s,동계적괄의풍속시1.5~2.5 m/s。
Based on the monitored data of PM10 and surface meteorological elements during 2006 and 2010,the thesis analyzes the seasonal variety of PM10 mass concentration and its relationship between rainfall,air humidity and wind speed in fixed quantity in Qingpu district of Shanghai.The results show that PM10 mass concentration is low in summer and high in winter;rainfall more than 5 millimetre per day eliminates the pollution of PM10.The elimination effects in spring and summer are better.There is a negative correlation between PM10 mass concentration and air humidity.Wind speed in certain range is helpful for pollutant diffusion without raising dust.The appropriate wind speed is 1.5~3.5 m/s in spring and 1.5~2.5 m/s in winter.