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Interactions aérosols- rayonnement-climat en région méditerranéenne Impact de l'effet radiatif direct sur le cycle de l'eau

Marc Mallet 1 François Dulac 2 Pierre Nabat 3 Paola Formenti 4 Jean Sciare 2 Gregory Roberts 3 Cyrielle Denjean 4 Jacques Pelon 5 Didier Tanré 6 Frédéric Parol 6 Gérard Ancellet 5 Frédéric Auriol 6 Luc Blarel 6 Tierry Bourrianne 3 Gérard Brogniez 6 Patrick Chazette 2 Servanne Chevaillier 4 Marine Claeys 7 Aurélie Colomb 8 Barbara d'Anna 9 Yevgeny Derimian 6 Karine Desboeufs 4 Jean-Francois Doussin 4 Pierre Durand 1 Anaïs Féron 2 Hélène Ferré 10 Laurence Fleury 10 Evelyn Freney 8 Philippe Goloub 11 Noël Grand 4 Eric Hamonou 2 Isabelle Jankowiak 6 Matthieu Jeannot 12 Dominique Lambert 1 Jean-François Léon 1 Sylvain Mailler 13 Laurent Menut 13 Géraud Momboisse 14 José Nicolas 9 Thierry Podvin 6 Véronique Pont 1 Géraldine Rea 13 Jean-Baptiste Renard 12 Laurent Roblou 1 Alfons Schwarzenboeck 8 Karine Sellegri 8 Michaël Sicard 15 Fabien Solmon 16 Samuel Somot 7 Benjamin Torres 6 Julien Totems 2 Sylvain Triquet 4 Nicolas Verdier 17 Christian Verwaerde 6 Damien Vignelles 12
Abstract : An experimental campaign, coupled with three-dimensional modeling, was conducted in the western Mediterranean during the summer of 2013 to study the impact of aerosols on the radiative balance and climate of this region. In situ observations were obtained on the ground, aboard two research aircraft and balloons to characterize the physico-chemical and optical properties of particles and their vertical stratification. This campaign was mainly characterized by moderate events of desert aerosols. During these episodes, strong vertical stratification was observed and the measurements of the optical properties reveal moderate absorbing particles in the visible spectrum. Climate simulations indicate a significant impact of aerosols in particular by changing the surface temperature of the sea, the ocean-atmosphere fluxes and consequently seasonal precipitation.
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Marc Mallet, François Dulac, Pierre Nabat, Paola Formenti, Jean Sciare, et al.. Interactions aérosols- rayonnement-climat en région méditerranéenne Impact de l'effet radiatif direct sur le cycle de l'eau. La Météorologie, Météo et Climat, 2015, pp.29-38. ⟨10.4267/2042/57860⟩. ⟨insu-01233173⟩



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