The Cause And Mechanism Of The Fatal Flood In
Eleftheres, Kavala, Northern Greece
Author(s)
D. Emmanouloudis & M. Kaikis
Abstract
On 17 November 1992, after a brief (t<30 min) but very heavy rainfall, the small
torrents (four in all) flowing across the community of Eleftheres, Kavala,
Northern Greece, flooded and caused extensive and intense flood disasters. It
should be stressed that a few months earlier (August 1992), a ravaging fire had
totally deforested the area of the drainage basins of the above torrents. The
largest torrent, with a surface area of only 0.91 km 2 , formed a huge debris flow
which moved in waves downwards, at first in the bed and then out of it, flooding
the village of Eleftheres and, sweeping everything away, it demolished houses
and almost buried the village in mud. As a result of this activity, three people
were killed, dozens of others were injured and all the local activities were
suspended for a period of several months. The torrent in question had never
before operated as a debris flow torrent, nor had any landslides or similar
geological phenomena causing debris flow occurred in its basin. The present
paper studies the causes and the mechanism of the formation of debris flow of
peculiar origin in this particular torrent and attempts to provide an interpretation
of the phenomenon of the formation of debris flow in a torrent bed without an
obvious cause, such as pre-flood feeding of the bed.
Keywords: deforestation, fatal flood, debris flow.
1 Introduction
Debris flow is a very important and famous geological phenomenon. Many
researchers all over the world have studied the debris flow dynamics and process
Keywords
deforestation, fatal flood, debris flow.
Related Book
Other papers in this volume
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