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Sensitivity of low-level clouds and precipitation to anthropogenic aerosol emission in southern West Africa: a DACCIWA case study

Abstract : During the West African summer monsoon, pollutants emitted in urbanized coastal areas modify cloud cover and precipitation patterns. The Dynamics-Aerosol-Chemistry-Cloud-Interactions in West Africa (DACCIWA) field campaign provided numerous aircraft-based and ground-based observations, which are used here to evaluate two experiments made with the coupled WRF-CHIMERE model, integrating both the direct and indirect aerosol effect on meteorology. During one welldocumented week (1-7 July 2016), the impacts of anthropogenic aerosols on the diurnal cycle of low-level clouds and pre-5
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Submitted on : Thursday, April 15, 2021 - 9:42:12 AM
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Adrien Deroubaix, Laurent Menut, Cyrille Flamant, Peter Knippertz, Andreas Fink, et al.. Sensitivity of low-level clouds and precipitation to anthropogenic aerosol emission in southern West Africa: a DACCIWA case study. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2021, pp.(under review). ⟨10.5194/acp-2020-1306⟩. ⟨insu-03198739⟩

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