K. Okunishi et H. Suwa, Assessment of hazard potential of debris flows in relation to the reclamation of forests on the foot of volcanoes, FOR SCI, 54, 1998, pp. 563-568
This paper focuses on the hazards due to debris flows in the alluvial fans
on the foot of volcanoes. A case study is carried out to assess the hazards
associated with the transformation of forests to golf courses. A close exa
mination of geomorphic evidence gives the history of occurrence of the debr
is flows of varied ages in the past and the estimate of their recurrence. T
o generalize this result, hazard potential is defined, from which hazard an
d risk are derived according to the time span, location and details of the
reclamation.