Stratospheric ozone intrusion episodes recorded at Mt.Cimone during the VOTALP project: case studies
In order to point out and study transports of ozone rich air masses in the lower troposphere from the stratosphere/upper troposphere, continuous measurements of several parameters have been undertaken at Mt. Cimone during the European Community VOTALP project (Vertical Ozone Transport in the Alps). Several high values of surface ozone concentration due to vertical stratospheric-tropospheric exchanges have been recorded in the four mountain peak stations involved in this project (Jungfraujoch, Sonnblick, Zugspitze and Mt. Cimone) in 1996–1997. This paper presents and analyses data concerning the Mt. Cimone ground-based station, which is the highest peak of the Italian Northern Apennines and the most representative WMO-GAW site in Italy. Episodes of vertical exchange in the lower stratosphere, as tropopause folding, or in the upper troposphere, as down draft transport, have been registered at Mt. Cimone since March 1996 and subsequently studied. In fact, the comparison between the behaviours of different background trace gases at a mountain baseline station, the weather situations and the backward trajectory analyses can bring to light these events and be very useful for a better knowledge of transport phenomena. Correlation between high level of ozone concentration, chemical and meteorological parameters and three-dimensional backward trajectories relative to two particular events are herein presented.
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Paolo Bonasoni (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Franco Evangelisti (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Ubaldo Bonafè (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Andreas Stohl (Department of Ecology, Technical University Munich) - Laura Tositti (Environmental Radiochemistry Laboratory, Dept. Of Chemistry of Bologna University) - Tiziano Colombo (Italian Air Force Meteorological Service – C.A.M.M. Mt. Cimone,) - Ottavio Tubertini (Environmental Radioactivity Center, Dept. of Chemistry, University of Bologna) - Fabrizio Ravegnani (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) (2000) . Stratospheric ozone intrusion episodes recorded at Mt.Cimone during the VOTALP project: case studies. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/2de939d7-212a-491d-b420-565847f03527 |
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- Cut-off low , Surface ozone , Carbon dioxide , Carbon monoxide , Tropopause folding , Stratospheric tracers
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“Stratosphere-troposphere exchanges: case studies recorded at Mt. Cimone during VOTALP project”
Atmospheric Environment, 34(9), 2000. Pages 443-446
P Bonasoni, F Evangelisti, U Bonafe, H Feldmann, M Memmesheimer, A Stohl, L Tositti, L.H Kromp-Kolb, T Colombo
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- p.bonasoni@isac.cnr.it
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- U.Bonafe@isac.cnr.it
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- Department of Ecology, Technical University Munich
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- Environmental Radiochemistry Laboratory, Dept. Of Chemistry of Bologna University
- laura.tositti@unibo.it
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- Italian Air Force Meteorological Service – C.A.M.M. Mt. Cimone,
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- nlinfo@sciencedirect.com
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- Environmental Radioactivity Center, Dept. of Chemistry, University of Bologna
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- F.Ravegnani@isac.cnr.it
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- p.bonasoni@isac.cnr.it
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- U.Bonafe@isac.cnr.it
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- Department of Ecology, Technical University Munich
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- Environmental Radiochemistry Laboratory, Dept. Of Chemistry of Bologna University
- laura.tositti@unibo.it
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- Italian Air Force Meteorological Service – C.A.M.M. Mt. Cimone,
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- nlinfo@sciencedirect.com
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- Environmental Radioactivity Center, Dept. of Chemistry, University of Bologna
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- Institute of Atmospheric Sciences and Climate (ISAC) - CNR
- F.Ravegnani@isac.cnr.it
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