#Pollution in Asian tropopause layer comes from human activities and natural sources, study finds
“#Pollution in Asian tropopause layer comes from human activities and natural sources, study finds” The two transport pathways for aerosols. Credit: WU Xue The Asian Tropopause Aerosol Layer (ATAL) is a thin layer of aerosol with a thickness of about 3-4 km, which appears regularly at the height of the tropopause layer during the Asian…