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Regional transport and dilution during high pollution episodes in southeastern France: Summary of findings from the ESCOMPTE experiment

Drobinski, Ph. and Said, F. and Ancellet, G. and Arteta, J. and Augustin, P. and Bastin, S. and Brut, A. and Caccia, J. L. and Campistron, B. and Cautenet, S. and Colette, A. and Coll, I. and Corsmeier, U. and Cros, B. and Dabas, A. and Delbarre, H. and Dufour, A. and Durand, P. and Guénard, V. and Hasel, M. and Kalthoff, N. and Kottmeier, Ch. and Lasry, F. and Lemonsu, A. and Lohou, F. and Masson, V. and Menut, L. and Moppert, C. and Peuch, V.H. and Puygrenier, V. and Reitebuch, Oliver and Vautard, R. (2007) Regional transport and dilution during high pollution episodes in southeastern France: Summary of findings from the ESCOMPTE experiment. Journal of Geophysical Research, 112 (D13105), pp. 1-26. DOI: 10.1029/2006JD007494.

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In the French Mediterranean basin the large city of Marseille and its industrialized suburbs (oil plants in the Fos-Berre area) are major pollutant sources that cause frequent and hazardous pollution episodes, especially in summer when intense solar heating enhances the photochemical activity and when the sea breeze circulation redistributes pollutants farther north in the countryside. This paper summarizes the findings of 5 years of research on the sea breeze in southern France and related mesoscale transport and dilution of pollutants within the Field Experiment to Constraint Models of Atmospheric Pollution and Emissions Transport (ESCOMPTE) program held in June and July 2001. This paper provides an overview of the experimental and numerical challenges identified before the ESCOMPTE field experiment and summarizes the key findings made in observation, simulation, and theory. We specifically address the role of large-scale atmospheric circulation to local ozone vertical distribution and the mesoscale processes driving horizontal advection of pollutants and vertical transport and mixing via entrainment at the top of the sea breeze or at the front and venting along the sloped terrain. The crucial importance of the interactions between processes of various spatial and temporal scales is thus highlighted. The advances in numerical modeling and forecasting of sea breeze events and ozone pollution episodes in southern France are also underlined. Finally, we conclude and point out some open research questions needing further investigation.

Document Type:Article
Title:Regional transport and dilution during high pollution episodes in southeastern France: Summary of findings from the ESCOMPTE experiment
AuthorsInstitution or Email of Authors
Drobinski, Ph.Univ. Pierre et Marie Curie, Paris, F
Said, F.Univ. Paul Sabatier, Toulouse, F
Ancellet, G.Univ. Pierre et Marie Curie, Paris, F
Arteta, J.Univ. Blaise Pascal, Aubière, F
Augustin, P.Univ. du Littoral-Côte d'Opale, Dunkerque, F
Bastin, S.Univ. Pierre et Marie Curie, Paris, F
Brut, A.Univ. Paul Sabatier, Toulouse, F
Caccia, J. L.Univ. du Sud Toulon-Var, Toulouse, F
Campistron, B.Univ. Paul Sabatier, Toulouse, F
Cautenet, S.Univ. Blaise Pascal, Aubière, F
Colette, A.Univ. Pierre et Marie Curie, Paris, F
Coll, I.LISA, Créteil, F
Corsmeier, U.FZK-IMK, Karlsruhe
Cros, B.Univ. Paul Sabatier, Toulouse, F
Dabas, A.Météo-France, Toulouse, F
Delbarre, H.Univ. du Littoral-Côte d'Opale, Dunkerque, F
Dufour, A.Météo-France, Toulouse, F
Durand, P.Univ. Paul Sabatier, Toulouse, F
Guénard, V.Univ. du Sud Toulon-Var, Toulon, F
Hasel, M.FZK-IMK, Karlsruhe
Kalthoff, N.FZK-IMK, Karlsruhe
Kottmeier, Ch.FZK-IMK, Karlsruhe
Lasry, F.LISA, Créteil, F
Lemonsu, A.Météo-France, Toulouse, F
Lohou, F.Univ. Paul Sabatier, Toulouse, F
Masson, V.Météo-France, Toulouse, F
Menut, L.École Polytechnique, Palaiseau, F
Moppert, C.Univ. Paul Sabatier, Toulouse, F
Peuch, V.H.Météo-France, Toulouse, F
Puygrenier, V.Univ. Paul Sabatier, Toulouse, F
Reitebuch, OliverUNSPECIFIED
Vautard, R.LSCE, Gif-sur-Yvette, F
Journal or Publication Title:Journal of Geophysical Research
Refereed publication:Yes
In Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1-26
Keywords:mesoscale meteorology, air pollution, coastal atmospheric circulation, French Mediterranean basin
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt ADM II (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Oliver Reitebuch
Deposited On:13 Jul 2007
Last Modified:20 Oct 2014 14:31

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