Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, Germany

Institute of Space and Atmospheric Studies, University of Saskatchewan, Saskatoon, Canada

CalTech/Jet Propulsion Laboratory, Pasadena, California, USA

Laboratoire Atmosphère, Milieux, Observations Spatiales (LATMOS), Institut Pierre Simon Laplace, Université Pierre et Marie Curie, Université Versailles St-Quentin-en-Yvelines, Centre National de la Recherche Scientifique, Paris, France

California Institute of Technology, Jet Propulsion Laboratory, Wrightwood, CA, USA

California Institute of Technology, Jet Propulsion Laboratory, Wrightwood, CA, USA

Laboratoire Atmosphère, Milieux, Observations Spatiales (LATMOS), Institut Pierre Simon Laplace, Université Pierre et Marie Curie, Université Versailles St-Quentin-en-Yvelines, Centre National de la Recherche Scientifique, Paris, France

Meteorological Observatory, Deutscher Wetterdienst, Hohenpeissenberg, Germany

National Institute of Public Health and Environmental Protection, P.O. Box 1, 3720 BA Bilthoven, the Netherlands

Department of Physics, University of Toronto, Ontario, Canada

Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529-0126, USA