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PM2.5与PM10的时空分布特征及其相关性是大气颗粒物研究的主要内容，传统方法是基于监测站点数据进行分析，难以揭示PM2.5与PM10时空分布的区域特征.为此，本文利用地理加权回归模型估算了2016年新疆地区PM2.5与PM10的月均浓度，在此基础上对区域尺度的PM2.5与PM10浓度特征进行分析.结果表明：地理加权回归相较最小二乘回归的拟合精度更高，PM2.5和PM10的决定系数分别为0.93...
ESTIMATING HOURLY PM2.5 CONCENTRATIONS FROM HIMAWARI-8 AOD OVER HUBEI PROVINCE
Himawari-8 Hourly AOD Hourly PM2.5 Wind Hubei Province Observation Frequency
2018/11/9
Satellite remote sensing can effectively estimate the particulate matter on a large scale. Polar-orbiting satellites have limited frequency of observations, which cannot help us understand PM2.5 evolu...
A THTEE-DIMENSIONAL VARIATIONAL ASSIMILATION SCHEME FOR SATELLITE AOD
AOD, Aerosol, Data assimilation, Chemical species, WRF/Chem
2018/5/15
A three-dimensional variational data assimilation scheme is designed for satellite AOD based on the IMPROVE (Interagency Monitoring of Protected Visual Environments) equation. The observation operator...
ESTIMATING PM2.5 IN THE BEIJING-TIANJIN-HEBEI REGION USING MODIS AOD PRODUCTS FROM 2014 TO 2015
Air Pollution PM2.5 MODIS Aerosol Optical Depth
2016/7/8
Fine particulate matter with a diameter less than 2.5 μm (PM2.5) has harmful impacts on regional climate, economic development and public health. The high PM2.5 concentrations in China’s urban areas a...
Spectral Variations of AOD and Its Validation Using MODIS: First Cut Results from Kannur, India
Aerosol MICROTOP MODIS Meteorological Parameters Kannur
2013/2/26
The properties of aerosols present in the atmosphere are often influenced by the environment in which they are being disbursed. Subsequently, the variation in the environmental conditions may severely...
Applications of Satellite Data for Aerosol Optical Depth (AOD) Retrievals and Validation with AERONET Data
Aerosol Optical Depth MODIS Data Urban Area
2013/2/26
An understanding of the amount and type of aerosols present in the atmosphere is required for the atmospheric correction of satellite imagery. A sensitivity analysis of the atmospheric inputs to the M...
海面上空气溶胶的产生和传输在一定程度上和风有关，研究气溶胶和风速间的关系，对增加大气模式的预测精度有重要意义。文中使用CALIPSO卫星CALIOP激光雷达L2（V3.01）气溶胶层与云层数据，与准同步AQUA卫星的AMSR-E海面风速数据，采用2007年和2008年的1月、4月、7月、10月共8个月的观测数据，研究波长为532 nm的气溶胶光学厚度（AOD）与海面风速间的关系及其随季节、年份的变...
不锈钢冶炼用AOD炉内的射流行为和流体流动
Ar-O脱碳(AOD) 不锈钢冶炼
2008/12/4
在分析氩-氧脱碳(AOD)炉内侧吹射流行为特征的基础上，建立了描述AOD炉内三维流
动的数学模型，考察了喷吹气体流量和喷枪布置对AOD熔池内湍流场的影响规律. 结
果表明，供气强度对AOD炉内射流流股轨迹和钢液流动产生明显影响; 多枪喷吹，使
熔池中流场和湍动能分布变得更加合理. 计算结果与物理模型的观测结果吻合.