brian bruckno, ph.d. virginia department of transportation
DESCRIPTION
RITA-10 Project. Validation of New Applications for Interferometric Synthetic Aperture Radar [InSAR] Data: Geohazards and Infrastructure Distress. InSAR. Geohazards and Assets. Karst. Brian Bruckno, Ph.D. Virginia Department of Transportation. Bridges. Buttresses. Slopes. - PowerPoint PPT PresentationTRANSCRIPT
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Brian Bruckno, Ph.D.Virginia Department of Transportation
Validation of New Applications for Interferometric Synthetic
Aperture Radar [InSAR] Data: Geohazards and Infrastructure
Distress
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
The views, opinions, findings, and conclusions reflected in this paper are the responsibility of the authors only and do
not represent the official policy or position of the USDOT/RITA, or any state or other entity
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RITA-10 ProjectU.S. DOT Research and Innovative Technology
Administration No. RITARS-11-H-UVA “Sinkhole Detection and Bridge/Landslide Monitoring for Transportation
Infrastructure by Automated Analysis of Interferometric Synthetic Aperture Radar Images”
Core Team:
•Dr. Scott Acton Ph.D. (P.I.), UVA•Dr. Edward Hoppe, Ph.D., VCTIR•Dr. Brian Bruckno, Ph.D., VDOT
•Stacey Roosa, VDOT•Elizabeth Campbell, VDOT
•Dr. William Niemann, Ph.D., Marshall University•TRE Canada
•Andrea Vaccari, Michael Steuchli, UVA
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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InSAR
Interferometric Synthetic Aperture Radar
R1
R2
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
•COSMO-SkyMed (ISA)•32 images collected over ~1 year
•X-band •Millimeter-scale accuracy in
elevation measurements
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InSAR
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
40 km40 km
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InSAR
298,956 InSAR Points (“Scatterers”)
Each scatterer is associated with a history of motion: Displacement, Velocity, Acceleration, Coherence, and Effective Area
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
40 km40 km40 km40 km
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InSAR
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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InSAR
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Karst
ESRI ArcMap10.0, TRE dataset, DMME Data, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Karst
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
Scatterer Acceleration and Velocity With Respect to Proximity to Mapped Sinkholes
Proximity
Kinematic
Entire Dataset
Away-from Sinkhole
Within Sinkhole
Acceleration -1.11 -1.76 -2.24
Proximity
Kinematic
Entire Dataset
Within100 ft
100 to 200 ft
200 to 300 ft
300 to 400ft
Velocity +0.22 -0.21 -0.07 -0.03 -0.045
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Karst
ESRI ArcMap10.0, TRE dataset, DMME Data, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Karst
ESRI ArcMap10.0, TRE dataset, DMME Data, VAGISP Base
POINT AEO68
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
AqDate
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Karst
Vesuvius Sinkhole Summer /Fall 2012 (Hoppe)
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Bridges
ESRI ArcMap10.0, TRE dataset, VAGISP Base
POINT A6RGE
-12
-10
-8
-6
-4
-2
0
AqDate
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Bridges
Route NOS Bridge February 2013 (Hoppe)
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Bridges
Route NOS Bridge February 2013 (Bruckno)
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Buttresses
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Buttresses
ESRI ArcMap10.0, TRE dataset, VAGISP Base
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Buttresses
Greenville Rock Buttress Winter 2013 (Bruckno)
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Buttresses
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
Greenville Rock Buttress Winter 2013 (Bruckno)
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Buttresses
Greenville Rock Buttress Winter 2013 (Bruckno)
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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Buttresses
Greenville Rock Buttress, Niemann raw data/SiroVision
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
Rock Slopes
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ESRI ArcMap10.0, Niemann raw data, Bruckno DEM, VAGISP Base
Broad Failure Mode
Field Conditions
Rock Slopes
Low-angle Wedge Failures
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ESRI ArcMap10.0, Niemann raw data/SiroJoint, Bruckno DEM, VAGISP Base
SiroJoint
Rock Slopes
Low-angle Wedge Failures
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ESRI ArcMap10.0, Niemann raw data/SiroVision, Bruckno DEM, VAGISP Base
EA :724C : .89Vel: -2.12Acc: -23.65
ESRI ArcMap10.0, Bruckno DEM, VAGISP Base
Rock Slopes
EA :491C : .88Vel: -5.1Acc: -22.51
EA :624C : .89Vel: -7.32Acc: -19.84
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Conclusion
•InSAR data and metadata validated for:
•Karst inventory
•At-risk bridges
•Rock buttress inventory and behavior
•Rock slopes inventory and behavior
RITA-10Project
InSAR
Geohazards and Assets
Conclusion
Karst
Bridges
Buttresses
Slopes
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This is a one-million dollar hole in the ground.
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This is a one-million dollar hole in the ground.
Thank you.Comments and
questions welcome.