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大气细颗粒物(PM2.5)是指大气中空气动力学直径小于或等于2.5微米的颗粒物,也称可入肺颗粒物。它的直径小于人的发丝直径的1/20。虽然PM2.5只是地球大气成分中含量较少的一部分,但它对人类生产生活的影响却十分重要。与粒径较粗的大气颗粒物相比,PM2.5粒径小,富含大量的有毒、有害物质,且在大气中的停留时间长、输送距离远,因此它对人体健康和大气环境质量的影响更大。在我国,大气细颗粒物污染是一个...
ESTIMATING PM2.5 IN XI’AN , CHINA USING AEROSOL OPTICAL DEPTH OF NPP VIIRS DATA AND METEOROLOGICAL MEASUREMENTS
Aerosol optical depth PM2.5 VIIRS Remote sensing inversion Nonlinear model
2018/5/16
In recent years, the air pollution is becoming more and more serious, which not only causes the decrease of the visibility, but also affects the human health. As the most important pollutant particula...