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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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  • California ; Coulée boueuse ; Dynamique de versant ; Etats-Unis ; Montagne ; Mouvement de masse ; Neige ; Précipitation ; Risque naturel ; Sierra Nevada
  • Observations were made in the Tuolumne, Merced, San Joaquin, and Kings River drainages during the 1982 to 1993 period. Of the 36 debris flows observed, 6 were examined in detail to provide specific data on this phenomenon. Triggering events
  • This study included interpretation of aerial photographs, detailed geologic mapping of surficial deposits at trench sites, profiling fault scarps, excavating and mapping trenches at two sites, and radiocarbon dating key stratigraphic units
  • To date, most studies have considered the sedimentology of palaeo-tsunamis while almost no detailed studies have been undertaken in areas known to have been affected by tsunamis in recent times. Research on contemporary tsunamis show that coastal