气象科学2023，Vol.43Issue(6)：772-780,9.DOI:10.12306/2021jms.0081
南京地区气溶胶谱分布的湿度相关性分析和等效复折射率预测
Analysis of correlation between spectral distribution and humidity and equivalent complex refractive index prediction in Nanjing
摘要
Abstract
Through collecting atmospheric particulate matter by experiments,this paper described particle size distribution of atmospheric aerosols in Nanjing and explore the correlation between the concentration of different particle sizes and relative humidity.Furthermore,a monthly average model of aerosol chemical composition in Nanjing from July to November was established and a prediction method of aerosol equivalent complex refractive index was obtained.Results show that the atmospheric aerosol particles in Nanjing have a peak particle size in the range of 80-100 nm,which is a typical urban aerosol.The correlation between the number concentration and relative humidity is related to the size of particle.The correlation between number concentration and relative humidity varies with the season and size.From June to September,the relative humidity is negatively correlated with the concentration of fine particles,and positively correlated with coarse particles.From October to November,it is on the contrary.The method for obtaining The equivalent complex refractive index of aerosol is consistent with the data from the AERONET site,and the error range is 0-0.03.关键词
大气气溶胶/粒径谱分布/相对湿度/等效复折射率Key words
atmospheric aerosol/size distribution/relative humidity/equivalent complex refractive index分类
天文与地球科学引用本文复制引用
何晓宇,任登凤,程永强,束瑾,方明杰,刘璐..南京地区气溶胶谱分布的湿度相关性分析和等效复折射率预测[J].气象科学,2023,43(6):772-780,9.基金项目
江苏省大学生创新创业训练计划资助项目(201910288128Y) （201910288128Y）
