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  • L'article du mois ( aout 2017)

    Modelling rock wall permafrost degradation in the Mont Blanc massif from the LIA to the end of the 21st century

    F.Magnin, J.-Y. Josnin, L. Ravanel, J. Pergaud, B. Pohl, and P. Deline. The Cryosphere, 11, 1813–1834, 2017

    Permafrost degradation in high mountain rock walls provokes destabilisation, constituting a threat for human activities. In the Mont Blanc massif, more than 700 rockfalls have been inventoried in recent years (2003, 2007–2015). Understanding permafrost evolution is thus crucial to sustain this densely populated area. This study investigates the changes in rock wall permafrost from 1850 to the recent period and possible optimistic or pessimistic evolutions during the 21st century.

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  • L'article du mois ( septembre 2017)

    Major role of water bodies on diurnal precipitation regimes in Eastern Africa. International Journal of Climatology, doi:10.1002/joc.5197

    Camberlin, P., Gitau, W., Planchon, O., Dubreuil, V., Funatsu, B. M., & Philippon, N. 2017

    Mean diurnal rainfall regimes over eastern Africa are studied based on 3-hourly data from the TRMM 3B42 data set, averaged over 1998-2014. Good consistency is found with in situ data. Over land, a dominant late afternoon maximum is found. However many inland regions show a delayed rainfall maximum (evening, nighttime or morning).  Indirect evidence is found that sea breeze effects can be detected at great distances from the coast. Over the lakes, a morning or late night maximum generally prevails which strongly contrasts with the regime of land areas.

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  • Colloque DataBFC

    DataBFC - ouvrir et gérer les données de la recherche en Bourgogne Franche-Comté

    Besançon, 13-15/11/17, Maison des Sciences de l'Homme et de l'Environnement Claude-Nicolas Ledoux.

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  • Les seminaires du CRC/SEDS

    jeudi 21 septembre à 14h00 salle des cours du CRC

    Le Mont Blanc : un laboratoire naturel des interactions entre surrection, érosion et climat

    par Jean Louis Mugnier, DR CNRS, IsTerre Grenoble

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