Subaqueous Mass Movements and their Consequences: Assessing Geohazards, Environmental Implications and Economic Significance of Subaqueous Landslides
CONTAINS OPEN ACCESS
The challenges facing submarine mass movement researchers and engineers are plentiful and exciting. This book follows several high-profile submarine landslide disasters that have reached the world's attention over the past few years. For decades, researchers have been mapping the world's mass movements. Their significant impacts on the Earth by distributing sediment on phenomenal scales is undeniable. Their importance in the origins of buried resources has long been understood. Their hazard potential ranges from damaging to apocalyptic, frequently damaging local infrastructure and sometimes devastating whole coastlines. Moving beyond mapping advances, the subaqueous mass movement scientists and practitioners are now also focussed on assessing the consequences of mass movements, and the measurement and modelling of events, hazard analysis and mitigation. Many state-of-the-art examples are provided in this book, which is produced under the auspices of the United Nations Educational, Scientific and Cultural Organisation Program S4SLIDE (Significance of Modern and Ancient Submarine Slope LandSLIDEs).
Slope failure and mass transport processes along the Queen Charlotte Fault, southeastern Alaska
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Published:September 30, 2019
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CiteCitation
Daniel S. Brothers, Brian D. Andrews, Maureen A. L. Walton, H. Gary Greene, J. Vaughn Barrie, Nathan C. Miller, Uri ten Brink, Amy E. East, Peter J. Haeussler, Jared W. Kluesner, James E. Conrad, 2019. "Slope failure and mass transport processes along the Queen Charlotte Fault, southeastern Alaska", Subaqueous Mass Movements and their Consequences: Assessing Geohazards, Environmental Implications and Economic Significance of Subaqueous Landslides, D.G. Lintern, D.C. Mosher, L.G. Moscardelli, P.T. Bobrowsky, C. Campbell, J. Chaytor, J. Clague, A. Georgiopoulou, P. Lajeunesse, A. Normandeau, D. Piper, M. Scherwath, C. Stacey, D. Turmel
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Abstract
The Queen Charlotte Fault defines the Pacific–North America transform plate boundary in western Canada and southeastern Alaska for c. 900 km. The entire length of the fault is submerged along a continental margin dominated by Quaternary glacial processes, yet the geomorphology along the margin has never been systematically examined due to the absence of high-resolution seafloor mapping data. Hence the geological processes that influence the distribution, character and timing of mass transport events and their associated hazards remain poorly understood. Here we develop a classification of the first-order shape of the continental shelf, slope and rise to examine potential...
- Alaska
- bathymetry
- continental shelf
- data processing
- East Pacific
- failures
- geophysical methods
- geophysical profiles
- geophysical surveys
- mass movements
- North Pacific
- Northeast Pacific
- ocean floors
- Pacific Ocean
- processes
- Queen Charlotte Fault
- reflection methods
- sedimentation
- sediments
- seismic methods
- seismic profiles
- slope stability
- slumping
- surveys
- tectonics
- United States