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Fortes pluies et crues de septembre 1992 sur le bassin cristallin de l'Ardèche en amont d'Aubenas : causes et conséquences / The heavy rainfall and floods of September 1992 in the crystalline river basin of the Ardèche above Aubenas : causes and consequences

Revue de géographie de Lyon
PERSEE Program
Publication Date
DOI: 10.3406/geoca.1993.5853
  • Mediterranean Storms
  • Floods
  • Morphological Damage
  • Human Losses
  • Ardèche
  • Crue
  • Dégâts Morphologiques
  • Pertes Humaines
  • Orages Méditerranéens
  • Ardèche
  • Earth Science


During the month of September 1992 a storm sequence of considerable intensity (nearly 300 mm of rainfall in 24 hours) was focused over the eastern border of the Massif Central between Les Vans and Cheylard, an area 70 km long and 30 km wide. The rainfall rapidly produced violent flooding of the Ardèche and its tributaries : the waters of the small Fontolière river rose 2 metres in 15 minutes, with an observed flow of 800 m3/s ; the Ardèche itself rose 7 metres at Pont-de-Labeaume. Although the human and material consequences were less serious than those produced by the flooding of the Ouvèze at Vaison- la-Romaine, the flooding of the Ardèche and its tributaries damaged river banks, bridge parapets, camp sites and supermarkets in the area above Aubenas, and killed 4 people. This event forms part of a much more widespread meteorological phenomenon which concerned the Mediterranean region of France at this period.

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