Effects of Mass Wasting and Uplift on Fluvial Networks within the Central Franciscan Melange Complex - Eel River, CA

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dc.contributor.advisorRoering, Joshua
dc.contributor.authorShaw, Samuel
dc.date.accessioned2018-04-10T15:03:00Z
dc.date.available2018-04-10T15:03:00Z
dc.date.issued2018-04-10
dc.description.abstractThe Eel River watershed has a high concentration of slow-moving landslides, or earthflows, due to argillaceous mélange bedrock and high tectonic uplift. Earthflows within this area are highly dissected by ephemeral channels, or gullies. Despite the pervasiveness of gullying in this area, the role of fluvial systems in relation to earthflows and varying uplift is poorly understood. To understand the role of earthflows and tectonics in dictating channel processes, we investigate channels in areas of differential uplift and mass failure activity. Channel networks are connected and continuous in catchments without earthflows, and disconnected and prone to bank failure on earthflow surfaces. Gully profiles are influenced BY earthflow undulations, which attenuate with fluvial incision after earthflows cease activity. We find notable differences in fluvial dissection between areas of high and low landslide activity. We find that mass wasting and local bedrock have a strong influence on formation and organization of channels.en_US
dc.identifier.urihttps://hdl.handle.net/1794/23145
dc.language.isoen_US
dc.publisherUniversity of Oregon
dc.rightsAll Rights Reserved.
dc.subjectDisturbanceen_US
dc.subjectDrainage Densityen_US
dc.subjectEarthflowsen_US
dc.subjectGulliesen_US
dc.subjectMass wastingen_US
dc.subjectNorthern Californiaen_US
dc.titleEffects of Mass Wasting and Uplift on Fluvial Networks within the Central Franciscan Melange Complex - Eel River, CA
dc.typeElectronic Thesis or Dissertation
thesis.degree.disciplineDepartment of Geological Sciences
thesis.degree.grantorUniversity of Oregon
thesis.degree.levelmasters
thesis.degree.nameM.S.

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