Jasper F Kok¹, Ashok Gupta², Amato T Evan³, Adeyemi A Adebiyi⁴, Samuel Albani⁵, Yves Balkanski⁶, Ramiro Checa-Garcia⁷, Peter Richard Colarco⁸, Dr. Douglas Stephen Hamilton⁹, Yue Huang¹⁰, Akinori Ito¹¹, Martina Klose¹², Longlei Li¹³, Natalie M Mahowald¹³, Ron L Miller¹⁴, Vincenzo Obiso, Carlos Pérez García-Pando¹⁶, Adriana Rocha Lima¹⁷ and Jessica Wan¹³, (1)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)Vanderbilt University, Nashville, United States, (3)Scripps Institute of Oceanography, La Jolla, CA, United States, (4)University of Miami, Miami, United States, (5)University of Milano-Bicocca, Department of Environmental and Earth Sciences, Milano, Italy, (6)LSCE, CEA CNRS UVSQ, 91191, Gif sur Yvette, France, Gif-Sur-Yvette Cedex, France, (7)Karlsruhe Institute of Technology, Karlsruhe, Germany, (8)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (9)University of Maryland, College Park, United States, (10)Department of Atmospheric and Oceanic Sciences, University of California – Los Angeles, Los Angeles, United States, (11)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (12)Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research (IMK-TRO), Department Troposphere Research, Karlsruhe, Germany, (13)Cornell University, Department of Earth and Atmospheric Sciences, Ithaca, United States, (14)NASA Goddard Institute for Space Studies, New York, NY, United States, (15)NASA/GISS, New York, United States, (16)University of Maryland Baltimore County, Baltimore, United States