When new particles formed in the atmosphere grow over 50-80 nm,they can be activated as cloud condensation nuclei (CCN) and lead to an increase of cloud albedo.Knowledge gaps still existed,e.g.,1) in
Daily particulate matter (PM2.5) aerosol samples were collected in Tongyu,a semi-arid area in northeastern China in spring.The concentrations of organic carbon (OC) and elemental carbon (EC) were dete