60 ans de pluies mensuelles en Afrique - Période 1940-1999

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60 ans de pluies mensuelles en Afrique - Période 1940-1999
Mahé, Gil; Rouché, Nathalie; Dieulin, Claudine; Boyer, Jean-François; Boubacar, Ibrahim; Crès, Agnes; Valton, Catherine; Servat, Eric; Paturel, Jean-Emmanuel, 2026, "60 ans de pluies mensuelles en Afrique - Période 1940-1999", https://doi.org/10.23708/KSLYSF, DataSuds, V1
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Description
60 ans de pluies mensuelles en Afrique - Période 1940-1999 HydroSciences Montpellier a hérité du laboratoire d’hydrologie de l’IRD, d’une très importante base de données hydroclimatiques sur l’Afrique de l’Ouest et Centrale, nommée SIEREM. Différents programmes de recherche ont permis aux hydrologues d’HSM d’enrichir cette base sur la période post 1980 et sur la totalité du continent africain. Un long travail de critique a permis de constituer une base de données de référence des pluies d’Afrique au pas de temps mensuel. En raison de données trop rares et trop hétérogènes sur le début du XXème siècle, les grilles ont été calculées de 1940 à 1999 (720 mois).
  • Nous proposons en téléchargement les grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations. La méthode est l’Inverse Distance Pondérée, le pas de temps est mensuel et l’échelle spatiale est le demi-degré carré.
  • Un fichier .pdf à l’intérieur de chaque fichier .zip détaille le mode opératoire de la confection des grilles et la description du fichier. La carte des pluies est disponible au Service Editions IRD.
    • (2012-09-01)
    Subject Computer and Information Science; Earth and Environmental Sciences
    Keyword Afrique, Scientific information systems, Precipitation, Grilles de pluie mensuelle, Monthly rainfall grids, Hydrological modelling, Africa
    Related Publication Dieulin, C.; Mahé, G.; Paturel, J.-E.; Ejjiyar, S.; Tramblay, Y.; Rouché, N.; EL Mansouri, B. A New 60-Year 1940/1999 Monthly-Gridded Rainfall Data Set for Africa. Water 2019, 11, 387. https://doi.org/10.3390/w11020387
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    hsm_sierem_africa_40_49_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: 5a8580365f8dd21a07bc22fd4bc740ec
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    hsm_sierem_africa_50_59_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: edf6447e91bea4fd769a6f0070da3fe6
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    hsm_sierem_africa_60_69_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: 9e14c8115fd1044a3c813771fc42217a
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    hsm_sierem_africa_70_79_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: 85c0d19698a7c91f4d03ba421e8f0940
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    hsm_sierem_africa_80_89_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: 18496a91b0478eb90db0814a27470a8e
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    hsm_sierem_africa_90_99_v1.zip
    SIEREM_PluiesMensuelles/ZIP Archive - 1.2 MB
    Published Feb 11, 2026
    2 Downloads
    MD5: c8bb8530bebc22a1f5f93fcf67315976
    grilles (un fichier par décennie, 120 grilles par fichier) calculées à partir des données observées aux stations.
    Données
    Readme_60ansPluiesMensuellesenAfrique.txt
    SIEREM_PluiesMensuelles/Plain Text - 6.7 KB
    Published Feb 11, 2026
    2 Downloads
    MD5: 66d37e83f0bd733acd88e42a6979d60b
    fichier a lire description du contenu de l'ensemble de données
    Documentation
    Preview "SIEREM_PluiesMensuelles/Readme_60ansPluiesMensuellesenAfrique.txt"
    Sierem_MetadataForASCIIGrids60PM.pdf
    Sierem_MetadataForASCIIGrids60PM.pdf
    SIEREM_PluiesMensuelles/Adobe PDF - 60.4 KB
    Published Feb 11, 2026
    2 Downloads
    MD5: 61ef624f323efac93416afbd9feebd0b
    Métadonnées des fichiers grilles : détaille le mode opératoire de la confection des grilles et la description du fichier.
    Documentation
    Preview "SIEREM_PluiesMensuelles/Sierem_MetadataForASCIIGrids60PM.pdf"
    Sierem_PluiesMensuelles60.JPG
    Sierem_PluiesMensuelles60.JPG
    SIEREM_PluiesMensuelles/JPEG Image - 46.7 KB
    Published Feb 11, 2026
    2 Downloads
    MD5: 1727aac41b3d5a10f12f7672d63bd49b
    Nombre de stations par maille de 0,5x 0,5 degré
    Documentation
    Preview "SIEREM_PluiesMensuelles/Sierem_PluiesMensuelles60.JPG"
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