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Atmospheric Science Letters 12, 14-15 (2011) 116-122
The West African climate system: a review of the AMMA model inter-comparison initiatives
P. M. Ruti 1, J. E. Williams 2, F. Hourdin 3, 4, F. Guichard 5, A. Boone 5, P. Van Velthoven 2, F. Favot 5, I. Musat 4, M. Rummukainen 6, M. Domínguez 7, M. Á. Gaertner 7, J. P. Lafore 5, T. Losada 8, M. B. Rodriguez De Fonseca 8, J. Polcher 4, F. Giorgi 9, Y. Xue 10, Idir Bouarar 3, 11, Kathy S. Law 3, 11, B. Josse 5, B. Barret 12, X. Yang 13, C. Mari 12, A. K. Traore 14
(2011)

We review the African Monsoon Multidisciplinary Analysis (AMMA) model inter-comparison activities for West Africa. The Model Inter-comparison Project is an evaluation exercise of how global and regional atmospheric models represent seasonal and intra-seasonal variations of the climate and rainfall over the Sahel. The Land surface Model Inter-comparison Project in turn focuses on modelling critical land surface processes over West Africa and on their link with the atmosphere. The CHEmistry Model Inter-comparison Project (CHEMIP) is a comparison of the tropospheric composition as simulated by a number of Chemical Transport Models (CTM) and Chemistry-Climate Models. We highlight the main model limitations and provide recommendations for future development.
1:  UTMEA, Climate and Impact modeling Lab
ENEA
2:  Royal Netherlands Meteorological Institute
Royal Netherlands Meteorological Institute
3:  Institut Pierre-Simon-Laplace (IPSL)
CNRS : FR636 – Institut de recherche pour le développement [IRD] – CEA – CNES – INSU – Université Pierre et Marie Curie (UPMC) - Paris VI – Université de Versailles Saint-Quentin-en-Yvelines – Ecole normale supérieure de Paris - ENS Paris
4:  Laboratoire de Météorologie Dynamique (LMD)
CNRS : UMR8539 – INSU – Université Pierre et Marie Curie (UPMC) - Paris VI – Polytechnique - X – Ecole normale supérieure de Paris - ENS Paris
5:  Groupe d'étude de l'atmosphère météorologique (CNRM-GAME)
CNRS : URA1357 – INSU – Météo France
6:  Swedish Meteorological and Hydrological Institute (SMHI)
Ministry of the Environment
7:  Instituto de Ciencias Ambientales
Universidad de Castilla-La Mancha
8:  Departamento de Geofisica y Meteorologia, Facultad de Ciencias Fisicas
Universidad Complutense
9:  International Centre for Theoretical Physics (ICTP)
International Centre for Theoretical Physics
10:  Department of Geography
University of California Los Angeles
11:  Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS)
CNRS : UMR8190 – Université Pierre et Marie Curie (UPMC) - Paris VI – Université de Versailles Saint-Quentin-en-Yvelines – INSU
12:  Laboratoire d'aérologie (LA)
CNRS : UMR5560 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III
13:  Centre for Atmosphere Science
University of Cambridge
14:  Laboratoire de Physique de l'Atmosphère et de l'Océan Siméon Fongang (LPAOSF)
Université Cheikh Anta Diop de Dakar
Sciences of the Universe/Earth Sciences/Climatology

Environmental Sciences/Global Changes
Regional and global model uncertainties – Systematic errors – African monsoon