Assessment Of Post Fire Debris Flow Potential
In A Mediterranean Type Ecosystem
Author(s)
I. D. Mitsopoulos & D. Mironidis
Abstract
The expansion of human development into forested areas has created a situation
where wildfires can adversely affect lives and property, as can the flooding and
landslides that occur in the aftermath of wildfires. An estimation of post wildfire
debris flow activity was determinated in a recently burnt area occupied by typical
Mediterranean vegetation. A simple method that measures fire severity was
applied and a detailed map of debris flow generation potential was created using
a Geographical Information System. The analyses indicates that the area of the
basin burned, the area of the basin with slopes greater than or equal to 20%, and
fire severity affect debris flow peak discharge. By utilizing this method local
land management agencies can develop debris flow specific mitigation efforts to
watersheds that are the most prone to extreme fire events.
Keywords: wildfires, debris flow potential, Geographical Information System,
Mediterranean ecosystem.
1 Introduction
Wildland fires are the most destructive disturbance of the natural lands in the
Mediterranean Basin. Mediterranean landscapes have always been subjected to
fire, thus burning has became part of their dynamic natural equilibrium [1].
Recent changes in land-use patterns in the Mediterranean Basin have implied the
reduction or abandonment of traditional activities, such as extensive grazing or
Keywords
wildfires, debris flow potential, Geographical Information System,
Mediterranean ecosystem.
Related Book
Other papers in this volume
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