Characterizing Landslide Movement at the Boulder Creek Earthflow, Northern California, Using L-band InSAR

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dc.contributor.authorStimely, Laura Lyn, 1982-
dc.date.accessioned2009-12-24T01:06:09Z
dc.date.available2009-12-24T01:06:09Z
dc.date.issued2009-09
dc.descriptionix, 60 p. : col. ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.en_US
dc.description.abstractSpatial and temporal patterns of movement of the Boulder Creek earthflow were investigated using 26 interferograms derived from ALOS satellite radar images acquired between February 2007 and February 2008. Persistently unstable hillslopes in Northern California are ideally suited to the study of the dynamics and morphological signature of earthflows, as the deeply sheared melange lithology, high seasonal rainfall, and fast uplift rates promote widespread deep-seated landsliding. In addition to identifying multiple active landslides in the region, L-band InSAR reveals varying deformation rates in the accumulation, transport, and toe regions of the Boulder Creek earthflow. Downslope displacement rates up to 1.8 m/yr are observed on the earthflow over a I-year period. The pattern of deformation is similar to that observed from 1944-2006 inferred from aerial photography. Interferograms highlight spatially variable rates controlled by lithology and gullies, and movement correlates with seasonal rainfall with a phase lag of ~2 months.en_US
dc.description.sponsorshipCommittee in Charge: Dr. Joshua J. Roering, Chair; Dr. David A. Schmidt; Dr. John M. Loganen_US
dc.identifier.urihttps://hdl.handle.net/1794/10028
dc.language.isoen_USen_US
dc.publisherUniversity of Oregonen_US
dc.relation.ispartofseriesUniversity of Oregon theses, Dept. of Geological Sciences, M.S., 2009;
dc.subjectEarthflows -- California -- Boulder Creek
dc.titleCharacterizing Landslide Movement at the Boulder Creek Earthflow, Northern California, Using L-band InSARen_US
dc.typeThesisen_US

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