Paeth H., Hall N.M.J., Gaertner M.A., Alonso M.D., Moumouni S., Polcher J., Ruti P. M., Fink A. H., Gosset Marielle, Lebel Thierry, Gaye A.T., Rowell D.P., Moufouma-Okia W., Jacob D., Rockel B., Giorgi F., Rummukainen M. (2011). Progress in regional downscaling of west African precipitation. In :
Monsoon Multidisciplinary Analysis (AMMA) : an integrated project for understanding of the West African climate system and its human dimension. Atmospheric Science Letters, 12 (1), p. 75-82. ISSN 1530-261X.
Titre du document
Progress in regional downscaling of west African precipitation
Année de publication
2011
Auteurs
Paeth H., Hall N.M.J., Gaertner M.A., Alonso M.D., Moumouni S., Polcher J., Ruti P. M., Fink A. H., Gosset Marielle, Lebel Thierry, Gaye A.T., Rowell D.P., Moufouma-Okia W., Jacob D., Rockel B., Giorgi F., Rummukainen M.
In
Monsoon Multidisciplinary Analysis (AMMA) : an integrated project for understanding of the West African climate system and its human dimension
Source
Atmospheric Science Letters, 2011,
12 (1), p. 75-82 ISSN 1530-261X
We review the recent progress in dynamical and statistical downscaling approaches for west African precipitation and perform a regional climate model (RCM) intercomparison using the novel multi-model RCM data set from the Ensembles-based Predictions of Climate Changes and Their Impacts (ENSEMBLES) and African Monsoon Multidisciplinary Analyses (AMMA) projects. Present RCMs have distinct systematic errors in terms of west African precipitation varying in amplitude and pattern across models. This is also reflected in a relatively large spread in projected future precipitation trends. Altogether, the ENSEMBLES RCMs indicate a prevailing drying tendency in sub-Saharan Africa. Statistical post-processing of simulated precipitation is a promising tool to reduce systematic model errors before application in impact studies.
Plan de classement
Sciences du milieu [021]
;
Hydrologie [062]
Localisation
Fonds IRD [F B010053189]
Identifiant IRD
fdi:010053189
