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Évolution temporelle des concentrations d'ozone pendant les épisodes photochimiques dans les Alpes-Maritimes

Abstract : Temporal evolution of ozone concentrations during photochemical episodes in the Alpes-Maritimes The ozone pollution affects regularly the Alpes-Maritimes between April and September every year. These episodes said photochemical are periods during which the ozone concentrations are sharply superior to the background ozone concentrations in the troposphere. Between 1998 and 2009 all the episodes was listed in the department to characterize the evolution of the ozone concentrations in the course of the days of J-1 to J+i (i being the last day of ozone pollution). It would seem that the ozone behaviour day after day is more ordered by the evolution of certain meteorological variables at macro-scale rather than by the meteorological variations at fine scale. Besides, on this sample of 12 photochemical seasons, a trend to the decrease of the intensity of the ozone peaks observes; this evolution could be connected to the decline of the primary pollutant emissions.
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https://hal.archives-ouvertes.fr/hal-00515486
Contributor : Nicolas Martin <>
Submitted on : Tuesday, September 7, 2010 - 11:03:37 AM
Last modification on : Monday, June 29, 2020 - 6:45:45 AM
Long-term archiving on: : Wednesday, December 8, 2010 - 2:36:13 AM

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  • HAL Id : hal-00515486, version 1

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Nicolas Martin, Pierre Carrega. Évolution temporelle des concentrations d'ozone pendant les épisodes photochimiques dans les Alpes-Maritimes. 2010. ⟨hal-00515486⟩

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