Ozone monitoring in a Mediterranean forest using diffusive and continuous sampling (Articolo in rivista)

Type
Label
  • Ozone monitoring in a Mediterranean forest using diffusive and continuous sampling (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00216-004-2831-7 (literal)
Alternative label
  • De Santis, F., Zona, D., Bellagotti, R., Vichi F., and Allegrini I. (2004)
    Ozone monitoring in a Mediterranean forest using diffusive and continuous sampling
    in Analytical & bioanalytical chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Santis, F., Zona, D., Bellagotti, R., Vichi F., and Allegrini I. (literal)
Pagina inizio
  • 818 (literal)
Pagina fine
  • 823 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.springerlink.com/content/vbl9acnpnnd6tec7/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 380 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto sull'Inquinamento Amtosferico (literal)
Titolo
  • Ozone monitoring in a Mediterranean forest using diffusive and continuous sampling (literal)
Abstract
  • Ambient ozone was measured in a forest in Castelporziano (Italy) characterised by the prevailing presence of Holm-oak trees (Quercus ilex L.) from June to November 2003. Two methods for measuring ozone were used: long-term monitoring using diffusive samplers at three heights within the canopy, and continuous monitoring at two heights using the UV method. Results for one week mean ozone levels above and below the canopy from the diffusive samplers were compared to those obtained using the automatic analyser at the same levels. A good correlation between the two sampling techniques was found. Continuous monitoring showed a daily cycle with a midday maximum and a nocturnal minimum. While the forest floor consistently had the lowest ozone concentration, there were no differences during most daytime hours. The midday maximum is clearly due to downward mixing with O3-rich air from above. The night-time ozone decay within the canopy is the result of dry deposition of O3 and most likely due to reaction with biogenically produced NO. AOT40 within and above the canopy mostly exceeded the critical levels. (literal)
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