Anomalous high ozone concentrations recorded at a high mountain station in Italy in summer 2003

In order to evaluate the possible effects of heatwave phenomena on background O3 concentrations, the average summer O3 concentrations at the high mountain station of Mt. Cimone (MTC—2165 m a.s.l.) have been analyzed. In particular, at this baseline station unusually high O3 concentrations were recorded during August 2003, when an intense heatwave (the “August heatwave”) affected Europe. During this heatwave, the highest O3 concentrations were recorded at MTC in connection with air masses coming from continental Europe and the Po basin boundary layer as shown by three-dimensional air mass back-trajectory and mixing height analyzes. However, high O3 concentrations were also recorded in air masses coming from the middle troposphere (above 3000 m a.s.l.), thus suggesting the presence of O3-rich atmospheric layers over Europe. This could be due to the large extension of the mixing layer which favoured the transport of high concentrations of O3 and its precursors to altitudes that would usually be in the free troposphere. Other than from traffic and industrial activities, a contribution to the high O3 concentrations recorded at MTC during the August heatwave could derive from fires in the North of Italy, as suggested by a well-documented episode and supported by in situ CO2 measurements used as non-conventional tracer for fire emissions.
 
Citation proposal
Paolo Cristofanelli (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Paolo Bonasoni (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - G. Carboni (CESI) - Francescopiero Calzolari (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - L. Casarola (CESI) - Stefano Zauli Sajani (Regional Agency for Environmental Protection,ARPA ,Modena) - Riccardo Santaguida (Italian Air Force Meteorological Service – C.A.M.M. Mt. Cimone) (2006) . Anomalous high ozone concentrations recorded at a high mountain station in Italy in summer 2003. Elsevier Science Publishing Company https://geoportal.mountaingenius.org/geonetwork/srv/api/records/8b710049-1262-451b-a07a-4e62a86bd752
 

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Date ( Publication )
2006-11-28T00:00:00
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Atmospheric Environment Vol.41
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7
Page
1383-1394
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Atmospheric Environment Volume 41, Issue 7, March 2007, Pages 1383-1394
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Atmospheric Environment
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ISSN
1352-2310
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The journal scope is broad and includes processes involving chemistry and physics of the atmosphere as well as subjects related to human health, welfare, climate change, and environmental policy. Atmospheric Environment publishes original research and review articles, special issues and supplements, and New Directions columns.
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Keywords
  • the high mountain station
Keywords ( Place )
  • Mt.Cimone
Keywords
  • SHARE , GAW
Keywords
  • ozone , statistical analysis , air quality , biomass , broadcast burning , climatology , heat effects
Keywords
  • Europe , Italy
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  • Climatology, meteorology, atmosphere
  • Geoscientific information
  • Environment
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Abstract:"Anomalous high ozone concentrations recorded at a high mountain station in Italy in summer 2003."  

Abstract:"Anomalous high ozone concentrations recorded at a high mountain station in Italy in summer 2003."

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“Anomalous high ozone concentrations recorded at a high mountain station in Italy in summer 2003”.

Atmospheric Environment Volume 41, Issue 7, March 2007, Pages 1383-1394

P. Cristofanelli, P. Bonasoni, , G. Carboni, F. Calzolari, L. Casarola, S. Zauli Sajani, R. Santaguida

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8b710049-1262-451b-a07a-4e62a86bd752   XML
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eng
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UTF8
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2012-03-08T16:20:46
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ISO 19115:2003/19139
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