Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly its influence on the oxidative capacity of the troposphere. After summarizing the current state of knowledge, the objectives of the project Influence of Stratosphere-Troposphere Exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity (STACCATO), recently funded by the European Union, are outlined. Several papers in this Journal of Geophysical Research–Atmospheres special section present the results of this project, of which this paper gives an overview. STACCATO developed a new concept of STE in the extratropics, explored the capacities of different types of methods and models to diagnose STE, and identified their various strengths and shortcomings. Extensive measurements were made in central Europe, including the first monitoring over an extended period of time of beryllium-10 (10Be), to provide a suitable database for case studies of stratospheric intrusions and for model validation. Photochemical models were used to examine the impact of STE on tropospheric ozone and the oxidizing capacity of the troposphere. Studies of the present interannual variability of STE and projections into the future were made using reanalysis data and climate models.
 
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Paolo Cristofanelli (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Paolo Bonasoni (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - W.Collins (Climate Research, Met Office) - Johann Feichter (Max-Planck Institute for Meteorology,) - Caroline Forster (Department of Ecology, Technical University of Munich) - Paul James (Department of Ecology, Technical University of Munich,) - Andreas Stohl (Department of Ecology, Technical University Munich,) - A. Kentarchos (The “Nello Carrara” Institute of Applied Physics (IFAC)) - P.W. Kubik (Paul Scherrer Institute) - J. Meloen (Division of Atmospheric Composition, Royal Netherlands Meteorological Institute) - A. Frank (Institute of Meteorology and Physics, University of Agricultural Sciences) - E. Gerasopoulos (Nuclear Physics Department, Aristotle University of Thessaloniki,) - H.W. Gaggeler (Paul Scherrer Institute;Department of Chemistry and Biochemistry, University of Bern,) - H. Kromp-Kolb (Institute of Meteorology and Physics University of Agriculture) - Bernd C. Krüger (Institute of Meteorology and Physics University of Agriculture) - C. Land (Max Planck Institute for Meteorology, Hamburg, Germany) - Alexandros Papayannis (Department of Physics, National Technical University of Athens) - Alfred Priller (Vienna Environmental Research Accelerator) - Petra Seibert (Institute of Meteorology and Physics, University of Agricultural Sciences) - Michael Sprenger (Institute for Atmospheric and Climate Science, ETH Zürich,) - G. J. Roelofs (Institute for Marine and Atmospheric Research Utrecht (IMAU), Utrecht University) - H.E. Scheel (Institute of Meteorology and Climate Research Atmospheric Environmental Research (IMK-IFU)) - C. Schnabel (Paul Scherrer Institute;Department of Chemistry and Biochemistry, University of Bern) - P. Siegmund (Royal Netherlands Meteorological Institute) - Leonhard Tobler (Paul Scherrer Institute,Department of Chemistry and Biochemistry, University of Bern) - Thomas Trickl (Institute of Meteorology and Climate Research Atmospheric Environmental Research (IMK-IFU)) - Heini Wernli (Institute for Atmospheric and Climate Science) - V. Wirth (Institute of Atmospheric Physics, University of Mainz) - Prodromos Zanis (Department of Meteorology and Climatology School of Geology, Faculty of Sciences Aristotle University of Thessaloniki) - C.S. Zerefos (Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki) (2003) . Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/0c9b3fde-fceb-43bf-807f-efad562bfc19
 

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JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 108, NO. D12, 8516, doi:10.1029/2002JD002490, 2003
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  • Lagrangian model , Brewer-Dobson circulation , trajectories , reanalysis , tropopause
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"Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO"

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 108, NO. D12, 8516, doi:10.1029/2002JD002490, 2003

Stohl, A., Bonasoni, P., Cristofanelli, P., Collins, W., Feichter, J., Frank, A., Forster, C., Gerasopoulos, E., Gäggeler, H., James, P., Kentarchos, T., Kromp-Kolb, H., Kruger, B., Land, C., Meloen, J., Papayannis, A., Priller, A., Seibert, P., Sprenger, M., Roelofs, G. J., Scheel, H. E., Schnabel, C., Siegmund, P., Tobler, L., Trickl, T., Wernli, H., Wirth, V., Zanis,

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