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

Questions?Questions?corey.froese@ercb.cacorey.froese@ercb.ca