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Impact des sécheresses en Bretagne sur le bilan hydrique: modélisation à partir du climat d'années passées.

Abstract : Brittany, as many french territories, experiences some drought issues which can vary in intensity and duration. The aim of this project is to determine the impacts of droughts on soil water resources since the early XIXth century. Thus, a soil water balance suited to regional scales was used and applied in different cities of Brittany and surroundings such as Rennes, Plougonvelin and Nantes. The evaporation deficiency obtained at a monthly scale revealed droughts intensity and inter-annual variability. At a yearly scale an upwards tendency of the deficiency was noticed. At a monthly scale the inter-annual variability was clearly shown and revealed a 4-year period rhythm with soils lacking of water for one summer month.
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Conference papers
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https://halshs.archives-ouvertes.fr/halshs-00526873
Contributor : Vincent Dubreuil <>
Submitted on : Saturday, October 16, 2010 - 1:28:08 PM
Last modification on : Wednesday, June 3, 2020 - 8:51:48 PM

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  • HAL Id : halshs-00526873, version 1
  • PRODINRA : 247119

Citation

Chloé Lamy, Vincent Dubreuil. Impact des sécheresses en Bretagne sur le bilan hydrique: modélisation à partir du climat d'années passées.. Risques et changement climatique, Sep 2010, Rennes, France. pp.325-330. ⟨halshs-00526873⟩

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