WB3: Risk Management
WB3: Risk Management
WB3: Risk Management
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Displacement2C. Monitoring Systems - IBIS-L Ground-based InSARAdvantagesDisadvantages- Fast Setup- High Cost of OperationMountain <strong>Risk</strong>sResearch Training Network30,0025,0020,0015,0010,005,000,00True Prism 14App Prism 14PSge-9551PSge-9550PSge-9642-5,002/23/09 12:00 2/23/09 16:48 2/23/09 21:36 2/24/09 2:24 2/24/09 7:12 2/24/09 12:00 2/24/09 16:48Date-Rapid Acquisition ofLarge area- High SpatialCoverage-Remote Sensingtechnique = no directcontact with targetnecessary- Sub-millimeterAccuracy-ContinuousAutonomous OperationPossible-Restricted access tosystem necessary (e.g.Private Properties- Spatial Resolutiondecreases with distance(larger pixel size)- No discrete pointobservation =Onlyaverage displacementsper pixel- Only Line-of-SightDisplacement=noabsolute values for themovement of materials-Rapid processing withpossibility to see resultson site- Post-processing anddata correction necessaryMOUNTAIN RISKS: Mid-term Meeting, Diablerets, 26-27 June 2009