Seasonal to decadal variability of aerosols in the upper troposphere and lower stratosphere and its connection to anthropogenic and natural sources and multi-scale transport process

Mian Chin1, Huisheng Bian2, Qian Tan3, Ghassan Taha1,4, Valentina Aquila5 and Peter Richard Colarco6, (1)NASA Goddard Space Flight Center, Greenbelt, United States, (2)NASA Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Laboratory (Code 614), Greenbelt, MD, United States, (3)Bay Area Environmental Research Institute, San Jose, CA, United States, (4)Morgan State University, Baltimore, United States, (5)American University, Department of Environmental Science, Washington, United States, (6)NASA GSFC, Greenbelt, United States