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Laboratoire d'études en Géophysique et océanographie spatiales |  |
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Laboratoire d'études en Géophysique et océanographie spatiales | |
| HAL: insu-00648904, version 1 |
| DOI: 10.1002/asl.306 |
| Detailed view |  Export this paper |
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| Atmospheric Science Letters 12, 1 (2011) 75-82 |
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| Progress in regional downscaling of west African precipitation |
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| H. Paeth 1N. M. J. Hall 2 |
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| (2011-02-22) |
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| 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. |
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| 1: | Geographical Institute |
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University of Würzburg |
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| 2: | Laboratoire d'études en Géophysique et océanographie spatiales (LEGOS) |
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CNRS : UMR5566 – Institut de recherche pour le développement [IRD] – CNES – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III |
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| 3: | Instituto de Ciencias Ambientales |
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Universidad de Castilla-La Mancha |
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| 4: | UAC |
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UAC |
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| 5: | Laboratoire de Météorologie Dynamique (LMD) |
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CNRS : UMR8539 – INSU – Université Pierre et Marie Curie [UPMC] - Paris VI – Polytechnique - X – Ecole normale supérieure de Paris - ENS Paris |
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| 6: | Ente per le Nuove tecnologie, l?Energia e l?Ambiente (ENEA) |
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gouvernement italien |
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| 7: | Institute of Geophysics and Meteorology |
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University of Cologne |
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| 8: | Laboratoire d'étude des transferts en hydrologie et environnement (LTHE) |
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CNRS : UMR5564 – OSUG – INSU – Université Joseph Fourier - Grenoble I – Institut National Polytechnique de Grenoble (INPG) – Institut de recherche pour le développement [IRD] : UR012 |
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| 9: | Laboratoire de Physique de l'Atmosphère et de l'océan Siméon Fongang |
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University Cheikh Anta Diop |
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| 10: | Met Office Hadley Centre |
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Met Office Hadley Centre |
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| 11: | Max-Planck Institute for Meteorology |
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Max-Planck Institute for Meteorology |
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| 12: | GKSS |
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GKSS |
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| 13: | ICTP |
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ICTP Trieste |
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| 14: | Swedish Meteorological and Hydrological Institute (SMHI) |
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Ministry of the Environment |
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| OLVAC HMCI |
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| subject | : | Sciences of the Universe/Earth Sciences/Geomorphology |
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| dynamical downscaling – statistical downscaling – model intercomparison – West Africa – climate change |
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| insu-00648904, version 1 | |
| http://hal-insu.archives-ouvertes.fr/insu-00648904 | |
| oai:hal-insu.archives-ouvertes.fr:insu-00648904 | |
| From: Pascale Talour | |
| Submitted on: Tuesday, 6 December 2011 15:35:53 | |
| Updated on: Monday, 11 March 2013 11:39:28 | |
