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Title

Progress in regional downscaling of west African precipitation

Publication Year

2011

Author(s)
  • Paeth, Heiko
  • Hall, Nicholas M. J.
  • Angel Gaertner, Miguel
  • Dominguez Alonso, Marta
  • Moumouni, Sounmaila
  • Polcher, Jan
  • Ruti, Paolo M.
  • Fink, Andreas H.
  • Gosset, Marielle
  • Lebel, Thierry
  • Gaye, Amadou T.
  • Rowell, David P.
  • Moufouma-Okia, Wilfran
  • Jacob, Daniela
  • Rockel, Burkhardt
  • Giorgi, Filippo
  • Rummukainen, Markku
Source
ATMOSPHERIC SCIENCE LETTERS Volume: 12 Issue: 1 Pages: 75-82 Published: 2011
ISSN
1530-261X
Abstract

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. Copyright (C) 2011 Royal Meteorological Society

Author Keyword(s)
  • dynamical downscaling
  • statistical downscaling
  • model intercomparison
  • West Africa
  • climate change
KeyWord(s) Plus
  • CLIMATE MODEL REGCM3
  • SIMULATED PRECIPITATION
  • DRY YEARS
  • PART II
  • MONSOON
  • SAHEL
  • VARIABILITY
  • RAINFALL
  • PROJECTIONS
  • RESOLUTION
ESI Discipline(s)
  • Geosciences
Web of Science Category(ies)
  • Geochemistry & Geophysics
  • Meteorology & Atmospheric Sciences
Adress(es)

[Paeth, Heiko] Univ Wurzburg, Inst Geog, D-97074 Wurzburg, Germany; [Hall, Nicholas M. J.] Univ Toulouse, LEGOS, Toulouse, France; [Angel Gaertner, Miguel; Dominguez Alonso, Marta] Univ Castilla La Mancha, Inst Ciencias Ambientales, Toledo, Spain; [Moumouni, Sounmaila] UAC, Abomey Calavi, Benin; [Polcher, Jan] LMD, Paris, France; [Ruti, Paolo M.] ENEA, Rome, Italy; [Fink, Andreas H.] Univ Cologne, Inst Geophys & Meteorol, Colgne, Germany; [Gosset, Marielle; Lebel, Thierry] IRD, LTHE, Grenoble, France; [Gosset, Marielle; Lebel, Thierry] Univ Grenoble 1, Grenoble, France; [Gaye, Amadou T.] UCAD, Dakar, Senegal; [Rowell, David P.; Moufouma-Okia, Wilfran] Hadley Ctr, Met Off, Exeter, Devon, England; [Jacob, Daniela] Max Planck Inst Meteorol, Hamburg, Germany; [Rockel, Burkhardt] GKSS Forschungszentrum Geesthacht GmbH, D-2054 Geesthacht, Germany; [Giorgi, Filippo] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy; [Rummukainen, Markku] SMHI, Norrkoping, Sweden

Reprint Adress

Paeth, H (reprint author), Univ Wurzburg, Inst Geog, D-97074 Wurzburg, Germany.

Country(ies)
  • Benin
  • France
  • Germany
  • Italy
  • Senegal
  • Spain
  • Sweden
  • United Kingdom
CNRS - Adress(es)
  • Laboratoire d'étude des transferts en hydrologie et environnement (LTHE), UMR5564
  • Laboratoire d'études en Géophysique et océanographie spatiales (LEGOS), UMR5566
  • Laboratoire de météorologie dynamique (LMD), UMR8539
Accession Number
WOS:000287816700013
uid:/S7G56HWH
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