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Quarterly Quarterly Journal of the Royal Meteorological Society 136, S1 (2010) 8-33
The AMMA field campaigns: multiscale and multidisciplinary observations in the West African region
Thierry Lebel 1, Douglas J. Parker 2, Cyrille Flamant 3, 4, Bernard Bourlès 5, Béatrice Marticoréna 6, Eric Mougin 7, Christophe Peugeot 8, Arona Diedhiou 1, J. M. Haywood 9, Jean-Blaise Ngamini 10, Jan Polcher 11, Jean-Luc Redelsperger 12, Chris D. Thorncroft 13
(2010-01)

AMMA--the African Monsoon Multidisciplinary Analysis--is the biggest programme of research into environment and climate ever attempted in Africa. AMMA has involved a comprehensive field experiment bringing together ocean, land and atmospheric measurements, on time-scales ranging from hourly and daily variability up to the changes in seasonal activity over a number of years. Many of the publications in this special issue make use of subsets of the AMMA measurements, collected from a diverse set of sensors. As a general introduction to the special issue, this paper provides a comprehensive overview of the AMMA observational programme, and summarises the scientific strategy which has defined the field deployment. The relationship between the existing observational monitoring networks of the region and the new sensors deployed for AMMA, and for the future, is described. Making use of regional and sub-regional maps, the main groups of sensors are described in terms of their deployment periods and their spatial co-ordination. The key linkages between different groups of measurements are also outlined, in terms of the strategy for their combined use and in terms of their interdependence. Some brief summaries of conditions sampled during the three years of the AMMA Extended Observing Period are also given.
1:  Laboratoire d'étude des transferts en hydrologie et environnement (LTHE)
CNRS : UMR5564 – OSUG – INSU – Université Joseph Fourier - Grenoble I – Institut National Polytechnique de Grenoble (INPG) – Institut de recherche pour le développement [IRD] : UR012
2:  School of Earth and Enrironment [Leeds] (SEE)
University of Leeds
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 Atmosphères, Milieux, Observations Spatiales (LATMOS)
CNRS : UMR8190 – Université Pierre et Marie Curie [UPMC] - Paris VI – Université de Versailles Saint-Quentin-en-Yvelines – INSU
5:  Laboratoire d'études en Géophysique et océanographie spatiales (LEGOS)
CNRS : UMR5566 – Institut de recherche pour le développement [IRD] – CNES – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III
6:  Laboratoire inter-universitaire des systèmes atmosphèriques (LISA)
CNRS : UMR7583 – INSU – Université Paris VII - Paris Diderot – Université Paris-Est Créteil Val-de-Marne (UPEC)
7:  Centre d'études spatiales de la biosphère (CESBIO)
CNRS : UMR5126 – Institut de recherche pour le développement [IRD] – CNES – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III
8:  Hydrosciences Montpellier (HSM)
CNRS : UMR5569 – Institut de recherche pour le développement [IRD] – Université Montpellier II - Sciences et techniques
9:  Met Office Hadley Centre
Met Office
10:  ASECNA
ASECNA
11:  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
12:  Groupe d'étude de l'atmosphère météorologique (CNRM-GAME)
CNRS : URA1357 – INSU – Météo France
13:  Department of Earth and Atmospheric Sciences
University at Albany
OLVAC
Sciences of the Universe/Ocean, Atmosphere
Environment – Climate – Monitoring – strategy