Mengchu Tao¹, Paul Konopka¹, Felix Ploeger¹, Xiaolu Yan¹, Jonathon S. Wright², Mohamadou Diallo¹, Stephan Fueglistaler³ and Martin Riese¹, (1)Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research(IEK-7): Stratosphere, Jülich, Germany, (2)Tsinghua University, Department of Earth System Science, Beijing, China, (3)Princeton University, Department of Geosciences, Princeton, NJ, United States