Total OH reactivity measurements aboard the Zeppelin NT during the PEGASOS campaigns 2012 and 2013: Spatial and vertical distribution and contribution of substance classes

Robert Wegener1, Julia Jäger2, Andreas Hofzumahaus1, Hendrik Fuchs3, Sebastian Gomm4, Sebastian Broch3, Rolf Häseler4, Frank Holland1, Ralf Tillmann4, Thomas F Mentel5, Astrid Kiendler-Scharr3, Andreas Wahner3, Jennifer Kaiser6, Keding Lu7, Glenn Wolfe8, Frank N Keutsch9 and Mitchell P Thayer10, (1)Forschungszentrum Jülich GmbH, Jülich 52428, Germany, (2)Scientific Analysis Laboratories Limited, Manchester, United Kingdom, (3)Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany, (4)Forschungszentrum Jülich, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany, (5)IEK-8-Troposphere, Juelich, Germany, (6)Georgia Tech, School of Civil and Environmental Engineering, Atlanta, GA, United States, (7)Peking University, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Beijing, China, (8)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (9)Harvard University, School of Engineering and Applied Sciences, Department of Chemistry and Chemical Biology and Department of Earth and Planetary Sciences, Cambridge, MA, United States, (10)University of Wisconsin Madison, Chemistry, Madison, WI, United States