CAJ | 학술논문

对兰州市2011-2012年大气颗粒物污染状况进行了研究，在主导风向上设置采样点，分别连续监测PM10、TSP、风速、能见度。结果表明，兰州市颗粒物浓度的峰值出现在2-4月，TSP浓度最大值可达到2.465 mg/m3，PM10最大值可达到2.079 mg/m3；颗粒物污染的季节性强，以3、4月出现的频率最高，发生时间具有随机性；2012年兰州市全年颗粒物( PM10和TSP)平均小时浓度值低于2011年，沙尘天气发生频次较2011年有所降低，环境空气质量有所改善。
대란주시2011-2012년대기과립물오염상황진행료연구，재주도풍향상설치채양점，분별련속감측PM10、TSP、풍속、능견도。결과표명，란주시과립물농도적봉치출현재2-4월，TSP농도최대치가체도2.465 mg/m3，PM10최대치가체도2.079 mg/m3；과립물오염적계절성강，이3、4월출현적빈솔최고，발생시간구유수궤성；2012년란주시전년과립물( PM10화TSP)평균소시농도치저우2011년，사진천기발생빈차교2011년유소강저，배경공기질량유소개선。
The pollution property of atmospheric particulates in Lanzhou city in 2011-2012 was studied, as well as continuous monitoring of PM10 , TSP, wind speed, visibility in the sampling points in the dominant wind direction. The results show that the peak particle concentrations in Lanzhou city in February to April, maximum concentration of TSP can reach 2. 465 mg/m3 , the maximum PM10 value can reach 2. 079 mg/m3; Particulate matter pollution is seasonal, the highest frequency of occurrence in March to April and occurrence time is random;In 2012 in Lanzhou city, the particulate matter ( PM10 and TSP) average hourly concentration lower than 2011, dust weather frequency lower than in 2011, ambient air quality improved.