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GIS in the Rockies 2009 Presentation
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Hydrographic Survey
in Shallow Water Streams
BRIDGE
SCOUR
≈ 60% of all
bridge failures
$50 Billion
Property Damage
Caused by floods
In U.S. in 1990’s
Reservoir Sedimentation
Habitat Analysis
Single Beam Depth Sounders
USACE EM 1110-2-1003 Standard?
vs
Multibeam Depth Sounders
Multibeam vs Single Beam Depth Sounders
Shallow Areas
Amount of Data
Bathymetric LiDAR
Questions?Questions?
Anthony Alvarado (alvaradoa@ayresassociates.com)Dusty Robinson (robinsond@ayresassociates.com)
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