Diurnal cycle of coastal anthropogenic pollutant transport over southern West Africa during the DACCIWA campaign

Adrien Deroubaix 1, 2 Laurent Menut 2 Cyrille Flamant 1 Joel Brito 3 Cyrielle Denjean 4 Volker Dreiling 5 Andreas Fink 6 Corinne Jambert 7 Norbert Kalthoff 6 Peter Knippertz 6 Russ Ladkin 8 Sylvain Mailler 2 Marlon Maranan 6 Federica Pacifico 7 Bruno Piguet 4 Guillaume Siour 9 Solène Turquety 2
1 TROPO - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
2 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
3 LaMP - Laboratoire de Météorologie Physique - Clermont Auvergne
4 CNRM - Centre national de recherches météorologiques
5 DLR - Deutsches Zentrum für Luft- und Raumfahrt [Oberpfaffenhofen-Wessling]
6 IMK - Institut für Meteorologie und Klimaforschung
7 LA - Laboratoire d'aérologie
8 BAS - British Antarctic Survey
9 LISA (UMR_7583) - Laboratoire Interuniversitaire des Systèmes Atmosphériques
Abstract : During the monsoon season, pollutants emitted by large coastal cities and biomass burning plumes originating from central Africa have complex transport pathways over southern West Africa (SWA). The Dynamics-Aerosol-Chemistry-Cloud Interactions in West Africa (DACCIWA) field campaign has provided numerous dynamical and chemical measurements in and around the super-site of Savè in Benin (≈ 185 km away from the coast), which allows quan-tification of the relative contribution of advected pollutants. Through the combination of in situ ground measurements with aircraft, radio-sounding, satellite, and high-resolution chemistry-transport modeling with the CHIMERE model, the source attribution and transport pathways of pollutants inland (here, NO x and CO) are carefully analyzed for the
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INSU | CNRS | METEO | UPEC-UPEM | UVSQ | OMP-LA | ACL-SF | ACL-SVSAE | X-LMD | PSL | X | ENPC | OMP | PRES_CLERMONT | LAMP | X-DEP-MECA | ENS-PARIS | UNIV-PARIS-SACLAY | PARISTECH | SORBONNE-UNIVERSITE | LATMOS | LMD | ENPC-LMD | UNIV-PARIS7 | USPC | UNIV-TLSE3 | SU-SCIENCES | UPEC | LISA

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Adrien Deroubaix, Laurent Menut, Cyrille Flamant, Joel Brito, Cyrielle Denjean, et al.. Diurnal cycle of coastal anthropogenic pollutant transport over southern West Africa during the DACCIWA campaign. Atmospheric Chemistry and Physics, European Geosciences Union, 2019, 19 (1), pp.473-497. ⟨10.5194/acp-19-473-2019⟩. ⟨insu-01981087⟩

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