Rock falls, landslides, debris flows and floods threaten roads, inhabited areas or regions frequented by tourists. In such situations, electronic monitoring systems can often complement or even replace structural measures – usually at a lower cost and certainly with a weaker impact on the alpine scenery. In addition, they are installed fast, are flexible in their use and adjustable at any time.

At a glance: Size matters. Organizational measures vs. constructional measures. Remote sensing. Case studies.