|From||Jean-Pierre Chaboureau <Jean-Pierre.Chaboureau@aero.obs-mip.fr>|
|Date||Wed, 08 Jan 2014 15:43:30 +0100|
PhD studentship in clouds and climate at University of Toulouse Supervisor: Dr Jean-Pierre Chaboureau (Laboratoire d'Aérologie, University of Toulouse and CNRS) Application deadline: 28 February 2014 The primary objective of this project is to investigate the complex chain of interaction between aerosols and clouds, one of the largest uncertainties in our understanding of climate and man-made climate change. This uncertainty depends not only on our incomplete knowledge on emission and nucleation processes, but also on the interaction between microphysical and dynamical processes with many impacts and nonlinear feedbacks. Mesoscale models now allow to perform Large Eddy Simulations (LES) on large areas where processes from cloud to regional scales are explicitly represented. The current capacity conjugated to develop new generation microphysical schemes will lead to significantly advance our understanding of the aerosol cloud interaction. This project will combine high-resolution aerosol-cloud modelling with detailed representations of aerosol and cloud microphysical processes performed with the Meso-NH model (http://mesonh.aero.obs-mip.fr) with extensive analysis of data from a field campaign. One emphasis of this work will be the representation of rain processes in current models and their sensitivity to resolution and parameterization. This project is funded by Dynamics-aerosol-chemistry-cloud interactions in West Africa (DACCIWA), an European Union collaborative project aiming to quantify key processes and feedbacks controlling aerosol cloud interactions, which is part of the European Union research cluster "Aerosols and Climate" (http://www.aerosols-climate.org/). DACCIWA will improve our scientific understanding of interactions between emissions, clouds, radiation, precipitation and regional circulations in southern West Africa. DACCIWA will conduct a major field campaign planned for June 2015 to collect high-quality observations involving three European research aircraft and a wide range of surface-based instrumentation at two supersites in Ghana and Benin. This project opportunities to experience collaborative research in a consortium of 15 leading international partners from France, Germany, Ghana, Nigeria, Switzerland and United Kingdom. Candidates should hold or expect to gain a master's degree in Physics, Atmospheric Science, Meteorology or a related field and preferably experience in atmospheric sciences and scientific modelling. Interested candidates should send their Curriculum Vitae and a letter of motivation by 28 February 2014 to Dr Jean-Pierre Chaboureau (firstname.lastname@example.org) -- Jean-Pierre.Chaboureau@aero.obs-mip.fr Tel +33 5 6133 2750 Laboratoire d'Aerologie, University of Toulouse/CNRS, France Observatoire Midi-Pyrenees, 14 avenue Belin, F-31400 Toulouse http://mesonh.aero.obs-mip.fr/chaboureau/ Fax +33 5 6133 2790
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