Debris-flow monitoring in the Catalan Pyrenees. Lessons learnt ...
Debris-flow monitoring in the Catalan Pyrenees. Lessons learnt ...
Debris-flow monitoring in the Catalan Pyrenees. Lessons learnt ...
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De ebris-<strong>flow</strong><br />
monito or<strong>in</strong>g <strong>in</strong> <strong>the</strong> Pyren nees<br />
Ground vibration measurements for alarm issues<br />
• Design of wireless alarm system<br />
• General set-up<br />
• 2 – 3 geophones <strong>in</strong>stalled close to <strong>the</strong> torrent<br />
• 1 gateway activat<strong>in</strong>g SMS, optical and acoustic alarm devices<br />
• Specifications<br />
• Each geophone connected via <strong>the</strong> signal conditioner<br />
to Vibrat<strong>in</strong>g Wire (VW) wireless node<br />
• If alarm threshold is exceeded at VW node,<br />
node sends alarm signal to gateway<br />
• gateway concentrates signals from different nodes and<br />
activates ma<strong>in</strong> alarm<br />
BOZEN<br />
Wi-Fi<br />
3G<br />
SMS<br />
alarm<br />
devices
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