A Review On Acoustic Monitoring Of Debris Flow
Author(s)
J. Hübl, A. Kogelnig, E. Suriñach, I. Vilajosana & B. W. McArdell
Abstract
Debris flows and debris floods are processes that occur in high alpine regions
with consequences on infrastructure and settlements. Recently several studies
have been conducted by the authors using a new approach to gather knowledge
about debris flows using a combination of two acoustic sensors: seismic sensors
and infrasound microphones. Both sensors have been individually used in many
previous studies. But the potential combination of infrasonic and seismic sensors
for monitoring natural hazards, which could take advantage of the benefits of
both sensor technologies, has not been evaluated to date.
As a consequence, in this study the most important characteristic of acoustic
signals from debris flows monitored at different locations in the Austrian and
Swiss Alps are summarized and possible interfering signals are presented.
Additionally, the data will be compared with other measurements, such as e.g.
flow depth, for the interpretation, verification and validation of the seismic and
infrasonic data.
Keywords: debris flow, monitoring, infrasound, seismic waves.
1 Introduction
This study presents a comprehensive summary of debris flows monitoring using
a combination of two acoustic sensors: seismometers and infrasound
microphones. Both sensors have been individually used previously. Various
Keywords
debris flow, monitoring, infrasound, seismic waves.
Related Book
Other papers in this volume
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