characterizing landslide deformation using insar
DESCRIPTION
Alberta Geological Survey's work with corner reflector InSAR at the Little Smoky landslide in Alberta.Presented in 2008 at the 4th Canadian Conference on Geohazards.TRANSCRIPT
Characterizing Complex Deep Seated Landslide Deformation using Corner
Reflector InSAR: Little Smoky Landslide, Alberta
Characterizing Complex Deep Seated Characterizing Complex Deep Seated Landslide Deformation using Corner Landslide Deformation using Corner
Reflector InSAR: Little Smoky Reflector InSAR: Little Smoky Landslide, AlbertaLandslide, Alberta
C.R. Froese1, V. Poncos2, R. Skirrow3, M. Mansour4, C.D. Martin4
1 Alberta Geological Survey/Energy Resources Conservation Board2 Canadian Centre for Remote Sensing
3 Alberta Transportation4 University of Alberta
C.R. FroeseC.R. Froese11, V. Poncos, V. Poncos22, R. Skirrow, R. Skirrow33, M. , M. MansourMansour44, C.D. Martin, C.D. Martin44
1 Alberta Geological Survey/Energy Resources Conservation Board1 Alberta Geological Survey/Energy Resources Conservation Board2 Canadian Centre for Remote Sensing2 Canadian Centre for Remote Sensing
3 Alberta Transportation3 Alberta Transportation4 University of Alberta4 University of Alberta
OverviewOverview
•• Little Smoky OverviewLittle Smoky Overview•• InSAR OverviewInSAR Overview•• Corner Reflector Design and Corner Reflector Design and
InstallationInstallation•• ResultsResults
Alberta InSAR SitesAlberta InSAR Sites
Little Smoky RiverLittle Smoky River
Little Smoky LandslideLittle Smoky Landslide
Northeast SideNortheast Side
Southwest SideSouthwest Side
Expected Relative MovementExpected Relative Movement
Pulse
Range
Echo
RaRadio dio DDetection etection AAnd nd RRanginganging
Interferometric Radar: ConceptInterferometric Radar: Concept
PulsePulse
EchoEcho
InterferometryInterferometry
Location A Location B
Pass 1Pass 2
Pass 1Pass 2
Coherence Image and Differential Interferogram of the Radarsat Coherence Image and Differential Interferogram of the Radarsat pair (October 4, 2002 to October 28, 2002).pair (October 4, 2002 to October 28, 2002).
Differential InSARDifferential InSAR
Corner Reflector InSAR at Little SmokyCorner Reflector InSAR at Little Smoky
Corner Reflector InSAR at Little SmokyCorner Reflector InSAR at Little Smoky
Corner Reflector InSAR at Little SmokyCorner Reflector InSAR at Little Smoky
Corner Reflector InSAR at Little SmokyCorner Reflector InSAR at Little Smoky
Southwest Side ResultsSouthwest Side Results
Northeast Side ResultsNortheast Side Results
AcknowledgmentsAcknowledgments
CCRS: Vern Singhroy, Bob Hawkins, CCRS: Vern Singhroy, Bob Hawkins, Kevin MurhaganKevin Murhagan
Canadian Space AgencyCanadian Space Agency
Alberta TransportationAlberta Transportation
[email protected]@ercb.ca