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          Institute: MPI für Meteorologie     Collection: Atmosphere in the Earth System     Display Documents

ID: 174093.0, MPI für Meteorologie / Atmosphere in the Earth System
Stratosphere-troposphere exchange: A review, and what we have learned from STACCATO
Authors:Stohl, A.; Bonasoni, P.; Cristofanelli, P.; Collins, W.; Feichter, Johann; Frank, A.; Forster, C.; Gerasopoulos, E.; Gaggeler, H.; James, P.; Kentarchos, T.; Kromp-Kolb, H.; Kruger, B.; Land, Christine; 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, P.; Zerefos, C.
Date of Publication (YYYY-MM-DD):2003-05-10
Title of Journal:Journal of Geophysical Research-Atmospheres
Journal Abbrev.:J. Geophys. Res.-Atmos.
Issue / Number:D12
Sequence Number of Article:8516
Review Status:not specified
Audience:Not Specified
Abstract / Description: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 ( 10 Be), 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.
Comment of the Author/Creator:Date: 2003, MAY 10
External Publication Status:published
Document Type:Article
Communicated by:Carola Kauhs
Affiliations:MPI für Meteorologie
External Affiliations:Tech Univ Munich, Dept Ecol, D-85354 Freising Weihenstephan, Germany.; CNR, I-40129 Bologna, Italy.; Meteorol Off, Div Climate Res, Bracknell RG12 2SZ, Berks, England.; Max Planck Inst Meteorol, D-20146 Hamburg, Germany.; Agr Univ Vienna, Inst Phys & Meteorol, A-1180 Vienna, Austria.; Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece.; Univ Bern, Dept Radio & Umweltchem, CH-3012 Bern, Switzerland.; Univ Utrecht, Inst Marine & Atmospher Res, NL-35008 TA Utrecht, Netherlands.; Royal Netherlands Meteorol Inst, NL-3730 AE De Bilt, Netherlands.; Natl Tech Univ Athens, Dept Phys, G-15780 Zografos, Greece.; Vienna Environm Res Accelerator, A-1090 Vienna, Austria.; ETH, Inst Atmospher & Climate Sci, CH-8093 Zurich, Switzerland.; Forschungszentrum Karlsruhe, Inst Meteorol & Climatol, D-82467 Garmisch Partenkirchen, Germany.; Univ Mainz, Inst Atmospher Phys, D-55099 Mainz, Germany.
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