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  • 1
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    Subaqueous Mass Movements and Their Consequences: Assessing Geohazards, Environmental Implications and Economic Significance of Subaqueous Landslides (2019)
    London : The Geological Society
    Details
    Keywords: mass movements ; subaqueous landslides ; geohazards
    Description / Table of Contents: Advancing from subaqueous mass movement case studies to providing advice and mitigation / D. Gwyn Lintern, David C. Mosher and Martin Scherwath / Geological Society, London, Special Publications, 477, 1-14, 21 June 2019, https://doi.org/10.1144/SP477-2018-190 --- Tectonics and mass movements --- The nature of small to medium earthquakes along the Eastern Mediterranean passive continental margins, and their possible relationships to landslides and submarine salt-tectonic-related shallow faults / Oded Katz and Yariv Hamiel / Geological Society, London, Special Publications, 477, 15-22, 6 March 2018, https://doi.org/10.1144/SP477.5 --- Spatial and temporal cross-cutting relationships between fault structures and slope failures along the outer Kumano Basin and Nankai accretionary wedge, SW Japan / J. K. Lackey, G. F. Moore, M. Strasser, A. Kopf and C. S. Ferreira / Geological Society, London, Special Publications, 477, 23-36, 6 March 2018, https://doi.org/10.1144/SP477.10 --- Evidence for surface sediment remobilization by earthquakes in the Nankai forearc region from sedimentary records / Natsumi Okutsu, Juichiro Ashi, Asuka Yamaguchi, Tomohisa Irino, Ken Ikehara, Toshiya Kanamatsu, Yusuke Suganuma and Masafumi Murayama / Geological Society, London, Special Publications, 477, 37-45, 27 March 2018, https://doi.org/10.1144/SP477.22 --- Slope failures along the deformation front of the Cascadia margin: linking slide morphology to subduction zone parameters / Michael Riedel, Michelle M. Côté, Morelia Urlaub, Jacob Geersen, Nastasja A. Scholz, Kathrin Naegeli and George D. Spence / Geological Society, London, Special Publications, 477, 47-67, 27 April 2018, https://doi.org/10.1144/SP477.33 --- Slope failure and mass transport processes along the Queen Charlotte Fault, southeastern Alaska / 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 and James E. Conrad / Geological Society, London, Special Publications, 477, 69-83, 21 May 2018, https://doi.org/10.1144/SP477.30 --- Slope failure and mass transport processes along the Queen Charlotte Fault Zone, western British Columbia / H. Gary Greene, J. Vaughn Barrie, Daniel S. Brothers, James E. Conrad, Kim Conway, Amy E. East, Randy Enkin, Katherine L. Maier, Stuart P. Nishenko, Maureen A. L. Walton and Kristin M. M. Rohr / Geological Society, London, Special Publications, 477, 85-106, 24 May 2018, https://doi.org/10.1144/SP477.31 --- Mass-wasting processes along the margins of the Ulleung Basin, East Sea: insights from multichannel seismic reflection and multibeam echosounder data / Senay Horozal, Jang-Jun Bahk, Sang Hoon Lee, Deniz Cukur, Roger Urgeles, Gil Young Kim, Seong-Pil Kim, Byong-Jae Ryu and Jin-Ho Kim / Geological Society, London, Special Publications, 477, 107-119, 30 April 2018, https://doi.org/10.1144/SP477.18 --- Assessment of the effect of mass-transport deposits on fault propagation in Penobscot area, offshore Nova Scotia / Tuviere Omeru, Samson I. Bankole, Byami A. Jolly, Obafemi S. Seyi and Joses B. Omojola / Geological Society, London, Special Publications, 477, 121-131, 27 March 2018, https://doi.org/10.1144/SP477.23 --- Open-slope, translational submarine landslide in a tectonically active volcanic continental margin (Licosa submarine landslide, southern Tyrrhenian Sea) / M. Sammartini, A. Camerlenghi, F. Budillon, D. D. Insinga, F. Zgur, A. Conforti, M. Iorio, R. Romeo and R. Tonielli / Geological Society, London, Special Publications, 477, 133-150, 24 May 2018, https://doi.org/10.1144/SP477.34 --- Mass transport deposits, fluid flow and gas hydrates in passive margins --- Mass wasting along the NW African continental margin / S. Krastel, W. Li, M. Urlaub, A. Georgiopoulou, R. B. Wynn, T. Schwenk, C. Stevenson and P. Feldens / Geological Society, London, Special Publications, 477, 151-167, 23 May 2018, https://doi.org/10.1144/SP477.36 --- Subsurface controls on the development of the Cape Fear Slide Complex, central US Atlantic Margin / Jenna C. Hill, Daniel S. Brothers, Matthew J. Hornbach, Derek E. Sawyer, Donna J. Shillington and Anne Bécel / Geological Society, London, Special Publications, 477, 169-181, 28 March 2018, https://doi.org/10.1144/SP477.17 --- Repeated large-scale mass-transport deposits and consequent rapid sedimentation in the western part of the Bay of Bengal, India / Yuzuru Yamamoto, Shun Chiyonobu, Toshiya Kanamatsu, Naokazu Ahagon, Kan Aoike, Nana Kamiya, Takanori Ojima, Takehiro Hirose, Takamitsu Sugihara, Saneatsu Saito, Masataka Kinoshita, Yusuke Kubo, Yasuhiro Yamada and NGHP-02 Scientists / Geological Society, London, Special Publications, 477, 183-193, 28 March 2018, https://doi.org/10.1144/SP477.12 --- Giant mass-transport deposits in the southern Scotia Sea (Antarctica) / Luis Somoza, Teresa Medialdea and Francisco J. González / Geological Society, London, Special Publications, 477, 195-205, 6 March 2018, https://doi.org/10.1144/SP477.2 --- Submarine landslides offshore Yamba, NSW, Australia: an analysis of their timing, downslope motion and possible causes / Thomas Hubble, Serena Yeung, Samantha Clarke, Alan Baxter and Fabio De Blasio / Geological Society, London, Special Publications, 477, 207-222, 30 April 2018, https://doi.org/10.1144/SP477.11 --- Mass transport deposits in modern and outcrop sedimentology --- Entrainment and abrasion of megaclasts during submarine landsliding and their impact on flow behaviour / D. M. Hodgson, H. L. Brooks, A. Ortiz-Karpf, Y. Spychala, D. R. Lee and C. A.-L. Jackson / Geological Society, London, Special Publications, 477, 223-240, 28 March 2018, https://doi.org/10.1144/SP477.26 --- Preferential formation of a slide plane in translational submarine landslide deposits in a Pleistocene forearc basin fill exposed in east-central Japan / Masayuki Utsunomiya, Atsushi Noda and Makoto Otsubo / Geological Society, London, Special Publications, 477, 241-253, 23 March 2018, https://doi.org/10.1144/SP477.3 --- Formation of excess fluid pressure, sediment fluidization and mass-transport deposits in the Plio-Pleistocene Boso forearc basin, central Japan / Nana Kamiya, Masayuki Utsunomiya, Yuzuru Yamamoto, Junichi Fukuoka, Feng Zhang and Weiren Lin / Geological Society, London, Special Publications, 477, 255-264, 26 March 2018, https://doi.org/10.1144/SP477.20 --- Stratal architecture and evolution of a slope mass-transport complex, Isaac Formation, Neoproterozoic Windermere Supergroup, southern Canadian Cordillera, British Columbia, Canada / Lilian Navarro and R. William C. Arnott / Geological Society, London, Special Publications, 477, 265-276, 3 May 2018, https://doi.org/10.1144/SP477.24 --- Tsunami risk assessment --- Extending the terrestrial depositional record of marine geohazards in coastal NW British Columbia / David Huntley, Peter Bobrowsky, James Goff, Catherine Chagué, Douglas Stead, Davide Donati and Danial Mariampillai / Geological Society, London, Special Publications, 477, 277-292, 27 March 2018, https://doi.org/10.1144/SP477.4 --- Tsunami modelling of the 7250 cal years BP Betsiamites submarine landslide / Dominique Turmel, Jacques Locat, Jonathan Leblanc and Geneviève Cauchon-Voyer / Geological Society, London, Special Publications, 477, 293-301, 6 March 2018, https://doi.org/10.1144/SP477.9 --- Bulgarian tsunami on 7 May 2007: numerical investigation of the hypothesis of a submarine-landslide origin / Oleg I. Gusev, Gayaz S. Khakimzyanov and Leonid B. Chubarov / Geological Society, London, Special Publications, 477, 303-313, 23 March 2018, https://doi.org/10.1144/SP477.6 --- Modelling the 1929 Grand Banks slump and landslide tsunami / Finn Løvholt, Irena Schulten, David Mosher, Carl Harbitz and Sebastian Krastel / Geological Society, London, Special Publications, 477, 315-331, 17 April 2018, https://doi.org/10.1144/SP477.28 --- Failure and post-failure analysis of submarine mass movements using geomorphology and geomechanical concepts / Jacques Locat / Geological Society, London, Special Publications, 477, 333-351, 30 April 2018, https://doi.org/10.1144/SP477.27 --- SPLASH: semi-empirical prediction of landslide-generated displacement wave run-up heights / Thierry Oppikofer, Reginald L. Hermanns, Nicholas J. Roberts and Martina Böhme / Geological Society, London, Special Publications, 477, 353-366, 17 March 2018, https://doi.org/10.1144/SP477.1 --- Assessments of subaqueous mass movements in labs, lakes, fjords and coastal areas --- Morphological characterization of submarine slope failures in a semi-enclosed fjord, Frobisher Bay, eastern Canadian Arctic / Robert Deering, Trevor Bell, Donald L. Forbes, Calvin Campbell and Evan Edinger / Geological Society, London, Special Publications, 477, 367-376, 24 May 2018, https://doi.org/10.1144/SP477.35 --- New evidence for a major late Quaternary submarine landslide on the external western levee of Laurentian Fan / Alexandre Normandeau, D. Calvin Campbell, David J. W. Piper and Kimberley A. Jenner / Geological Society, London, Special Publications, 477, 377-387, 28 March 2018, https://doi.org/10.1144/SP477.14 --- Failure dynamics of landslide scars on the lower continental slope of the Tyrrhenian Calabrian margin: insights from an integrated morpho-bathymetric and seismic analysis / Daniele Casalbore, Eleonora Martorelli, Alessandro Bosman, Eleonora Morelli and Francesco Latino Chiocci / Geological Society, London, Special Publications, 477, 389-397, 23 March 2018, https://doi.org/10.1144/SP477.16 --- Quantitative characterization of subaqueous landslides in Lake Zurich (Switzerland) based on a high-resolution bathymetric dataset / M. Strupler, F. S. Anselmetti, M. Hilbe and M. Strasser / Geological Society, London, Special Publications, 477, 399-412, 6 March 2018, https://doi.org/10.1144/SP477.7 --- Tsunami hazard from lacustrine mass wasting in Lake Tekapo, New Zealand / Joshu J. Mountjoy, Xiaoming Wang, Susi Woelz, Sean Fitzsimons, Jamie D. Howarth, Alan R. Orpin and William Power / Geological Society, London, Special Publications, 477, 413-426, 27 April 2018, https://doi.org/10.1144/SP477.21 --- Sediment mass movement of a particle-laden turbidity current based on ultrasound velocity profiling and the distribution of sediment concentration / Shun Nomura, Jumpei Hitomi, Giovanni De Cesare, Yasushi Takeda, Yuzuru Yamamoto and Hide Sakaguchi / Geological Society, London, Special Publications, 477, 427-437, 3 May 2018, https://doi.org/10.1144/SP477.19 --- A two-dimensional layer-averaged numerical model for turbidity currents / Shihao Yang, Yi An and Qingquan Liu / Geological Society, London, Special Publications, 477, 439-454, 23 May 2018, https://doi.org/10.1144/SP477.32 --- Policy, classification and providing advice for mitigation --- A consistent global approach for the morphometric characterization of subaqueous landslides / Michael Clare, Jason Chaytor, Oliver Dabson, Davide Gamboa, Aggeliki Georgiopoulou, Harry Eady, James Hunt, Christopher Jackson, Oded Katz, Sebastian Krastel, Ricardo León, Aaron Micallef, Jasper Moernaut, Roberto Moriconi, Lorena Moscardelli, Christof Mueller, Alexandre Normandeau, Marco Patacci, Michael Steventon, Morelia Urlaub, David Völker, Lesli Wood and Zane Jobe / Geological Society, London, Special Publications, 477, 455-477, 28 March 2018, https://doi.org/10.1144/SP477.15 --- Seismic and lithofacies characterization of a gravity core transect down the submarine Tuaheni Landslide Complex, NE New Zealand / Jannis Kuhlmann, Alan R. Orpin, Joshu J. Mountjoy, Gareth J. Crutchley, Stuart Henrys, Ryan Lunenburg and Katrin Huhn / Geological Society, London, Special Publications, 477, 479-495, 31 July 2018, https://doi.org/10.1144/SP477.37 --- Submarine landslide catalogue onshore/offshore harmonization: Spain as a case study / Ricardo León, Juan Carlos García-Davalillo, David Casas and Carmen Julia Giménez-Moreno / Geological Society, London, Special Publications, 477, 497-510, 31 July 2018, https://doi.org/10.1144/SP477.38 --- Combining in situ monitoring using seabed instruments and numerical modelling to assess the transient stability of underwater slopes / Morelia Urlaub and Heinrich Villinger / Geological Society, London, Special Publications, 477, 511-521, 6 March 2018, https://doi.org/10.1144/SP477.8 --- Effects of stress on failure behaviour of shallow-marine muds from the northern Gulf of Mexico / Brandon Dugan and Xin Zhao / Geological Society, London, Special Publications, 477, 523-536, 27 April 2018, https://doi.org/10.1144/SP477.13 --- Shear margin moraine, mass transport deposits and soft beds revealed by high-resolution P-Cable three-dimensional seismic data in the Hoop area, Barents Sea / Benjamin Bellwald and Sverre Planke / Geological Society, London, Special Publications, 477, 537-548, 28 March 2018, https://doi.org/10.1144/SP477.29 --- Geohazard assessment related to submarine instabilities in Bjørnafjorden, Norway / Brian Carlton, Maarten Vanneste, Carl Fredrik Forsberg, Siren Knudsen, Finn Løvholt, Tore Kvalstad, Søren Holm, Heidi Kjennbakken, Muhammad Adeel Mazhar, Samson Degago and Haflidi Haflidason / Geological Society, London, Special Publications, 477, 549-566, 31 July 2018, https://doi.org/10.1144/SP477.39 --- Providing multidisciplinary scientific advice for coastal planning in Kitimat Arm, British Columbia / Gwyn Lintern, Andrée Blais-Stevens, Cooper Stacey, John Shaw, Peter Bobrowsky, Kim Conway, David Huntley, Kevin Mackillop, Irina Overeem and Martin Scherwath / Geological Society, London, Special Publications, 477, 567-581, 16 April 2019, https://doi.org/10.1144/SP477.40 --- Surficial sediment failures due to the 1929 Grand Banks Earthquake, St Pierre Slope / Irena Schulten, David C. Mosher, Sebastian Krastel, David J. W. Piper and Markus Kienast / Geological Society, London, Special Publications, 477, 583-596, 3 May 2018, https://doi.org/10.1144/SP477.25
    Pages: Online-Ressource (IX, 609 Seiten) , Illustrationen, Diagramme
    ISBN: 9781786203823
    URL: https://sp.lyellcollection.org/content/477/1
    Language: English
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Holocene paleohydrology of a hypersaline lake in southeastern Alberta (1993)
    Springer
    Journal of paleolimnology 8 (1993), S. 103-120 
    Details
    ISSN: 1573-0417
    Keywords: pollen analysis ; paleobotany ; mineralogy ; Great Plains ; drought ; paleosalinity ; paleoclimatology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences
    Notes: Abstract Analyses of pollen, plant macrofossils, sediment mineralogy, geochemistry, and lithology of cores from Chappice Lake, southeastern Alberta, provide an outline of paleohydrological changes spanning the last 7300 radiocarbon years. Situated near the northern margin of the Great Plains, Chappice Lake is currently a small (1.5 km2), shallow (〈1 m), hypersaline lake. Results of this study suggest that the lake has experienced significant changes in water level and chemistry during the Holocene. From 7300 to 6000 BP the lake oscillated between relatively high stands and desiccation. From 6000 to 4400 BP it was smaller than present and ponded highly saline water. Although extreme water level variations of the preceding period had ceased, pronounced seasonal fluctuations persisted. Between 4400 and 2600 BP, lake level was more stable but gradually rising. Carbonates were a major component of the sediments deposited during this interval. A large, relatively fresh lake existed from 2600 to 1000 BP. Illite was the dominant mineral deposited during this period, but since then has been a minor constituent in a mineral suite dominated by detrital silicates. A series of low-water, high-salinity stands occurred between 1000 and 600 BP, although these low stands were not as pronounced as low-water intervals in the middle Holocene. Relatively high water levels were sustained from 600 BP until the late 1800s. The lake declined significantly in the last one hundred years, notably during the historically documented droughts of the late 1800s, 1920s, 1930s, and 1980s. The timing of paleohydrological events at Chappice Lake corresponds closely with well documented Holocene climatic intervals, such as the Hypsithermal, Neoglaciation, Medieval Warm Period, and Little Ice Age. In addition, historic lake-level fluctuations can be related directly to climate. As a result, the Chappice Lake sedimentary succession offers a rare opportunity to obtain a high-resolution, surrogate record of Holocene climate on the northern Great Plains, and to observe the response of lake chemistry and biota to significant environmental change.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00119784
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    Paper (German National Licenses)
    Fulltext
  • 3
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    Early Wisconsinan (MIS 4) glaciation on Haida Gwaii, British Columbia, and implications for biological refugia (2015)
    National Research Council Canada (NRC)
    Details
    Publication Date: 2015-11-25
    Description: Sea cliffs at Cape Ball on Graham Island, British Columbia, expose a thick sequence of Pleistocene sediments deposited during at least two glaciations. In sequence, from the base of the section, the units are (1) stony mud, (2) till, (3) silt, sand, and peat, (4) stony mud, (5) laminated sand and silt, (6) cross-bedded sand, and (7) till. Of special interest is unit 4, a massive to weakly stratified mud containing scattered stones that was deposited during the penultimate Pleistocene glaciation (marine isotope stage (MIS) 4). This unit contains wood and marine shell fragments that have yielded non-finite radiocarbon ages. Sand and silt with thin stringers of peat (unit 3) directly underlie this stony mud, and returned an optical age of 57.3 ± 5.7 ka. The stony mud is unconformably overlain by ponded sediments (unit 5) and advance outwash (unit 6) and till (unit 7) deposited during the Fraser Glaciation (MIS 2). The optically dated unit and a correlative peat and silty sand unit at a nearby exposure have pollen spectra with almost 100% non-arboreal pollen. Very low values of tree pollen, coupled with high frequencies of sedges, grasses, composites, Ericales, and the arctic–alpine indicator Koenigia islandica, indicate tundra vegetation and a cold climate. Abundant coprophilous Sporormiella (69%–91%) and Sordaria type (14%–47%) fungal spores in the peat samples indicate the former presence of grazing mammals at Cape Ball during MIS 4. During the MIS 3 interstade, subalpine forest existed at low elevations on Graham Island, providing environments suitable for the development of genetically distinct bird and mammal populations that survived in lowland refugia during the Fraser Glaciation.
    Print ISSN: 0008-4077
    Electronic ISSN: 1480-3313
    Topics: Geosciences
    Published by National Research Council Canada (NRC)
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  • 4
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    Rheological evolution of the Mount Meager 2010 debris avalanche, southwestern British Columbia (2017)
    Geological Society of America (GSA)
    In: Geosphere
    Details
    Publication Date: 2017-04-01
    Description: On 6 August 2010, a large (~50 Mm 3 ) debris avalanche occurred on the flank of Mount Meager in the southern Coast Mountains of British Columbia, Canada. We studied the deposits to infer the morphodynamics of the landslide from initiation to emplacement. Structure from motion (SfM) photogrammetry, based on oblique photos taken with a standard SLR camera during a low helicopter traverse, was used to create high-resolution orthophotos and base maps. Interpretation of the images and maps allowed us to recognize two main rheological phases in the debris avalanche. Just below the source area, in the valley of Capricorn Creek, the landslide separated into two phases, one water-rich and more mobile, and the other water-poor and less mobile. The water-rich phase spread quickly, achieved high superelevation on the valley sides, and left distal scattered deposits. The main water-poor phase moved more slowly, did not superelevate, and formed a thick continuous deposit (up to ~30 m) on the valley floor. The water-poor flow deposit has structural features such as hummocks, brittle-ductile faults, and shear zones. Our study, based on a freshly emplaced deposit, advances understanding of large mass movements by showing that a single landslide can develop multiple rheology phases with different behaviors. Rheological evolution and separation of phases should always be taken into account to provide better risk assessment scenarios.
    Electronic ISSN: 1553-040X
    Topics: Geosciences
    Published by Geological Society of America (GSA)
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  • 5
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    Cordilleran Ice Sheet mass loss preceded climate reversals near the Pleistocene Termination (2017)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2017-11-10
    Description: The Cordilleran Ice Sheet (CIS) once covered an area comparable to that of Greenland. Previous geologic evidence and numerical models indicate that the ice sheet covered much of westernmost Canada as late as 12.5 thousand years ago (ka). New data indicate that substantial areas throughout westernmost Canada were ice free prior to 12.5 ka and some as early as 14.0 ka, with implications for climate dynamics and the timing of meltwater discharge to the Pacific and Arctic oceans. Early Bølling-Allerød warmth halved the mass of the CIS in as little as 500 years, causing 2.5 to 3.0 meters of sea-level rise. Dozens of cirque and valley glaciers, along with the southern margin of the CIS, advanced into recently deglaciated regions during the Bølling-Allerød and Younger Dryas.
    Keywords: Atmospheric Science
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    ‘Boundary’: mapping and visualizing climatically changed landscapes at Kaskawulsh Glacier and Kluane Lake, Yukon (2018)
    Taylor & Francis
    Details
    Publication Date: 2018-06-04
    Electronic ISSN: 1744-5647
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Taylor & Francis
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  • 7
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    Cordilleran Ice Sheet mass loss preceded climate reversals near the Pleistocene Termination (2017)
    American Association for the Advancement of Science
    Details
    Publication Date: 2017-11-09
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science
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  • 8
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    Structure, stability and tsunami hazard associated with a rock slope in Knight Inlet, British Columbia (2015)
    Copernicus
    Details
    Publication Date: 2015-01-07
    Description: Rockfalls and rockslides during the past 12 000 years have deposited bouldery debris cones on the seafloor beneath massive rock slopes throughout the inner part of Knight Inlet. The 885 m high rock slope situated across from the Kwalate site, a former First Nations village destroyed in the late 1500s by a slide-induced wave, exposes the contact between a Late Cretaceous dioritic pluton and metamorphic rocks of the Upper Triassic Karmutsen Formation. The pluton margin is strongly foliated in parallel with primary and secondary fabrics in the metamorphic rocks, resulting in highly persistent brittle structures. Other important structures include a set of sheeting joints and highly persistent mafic dykes and faults. Stability analysis identified the potential for planar and wedge failure. We made empirical estimates of impulse waves generated by potential slides ranging in size from 0.5 to 3.5 Mm3, with results suggesting mid-inlet wave heights in the order of 6 to 26 m. As several similar rock slopes fronted by large submarine debris cones exist in the inner part of Knight Inlet, it is clear that tsunami hazards should be considered in coastal infrastructure development and land-use planning in this area.
    Electronic ISSN: 2195-9269
    Topics: Geography , Geosciences
    Published by Copernicus on behalf of European Geosciences Union.
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  • 9
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    Structure, stability, and tsunami hazard associated with a rock slope in Knight Inlet, British Columbia (2015)
    Copernicus
    Details
    Publication Date: 2015-06-30
    Description: Rockfalls and rockslides during the past 12 000 years have deposited bouldery debris cones on the seafloor beneath massive rock slopes throughout the inner part of Knight Inlet. The 885 m high rock slope, located across from a former First Nations village destroyed in the late 1500s by a slide-induced wave, exposes the contact between a Late Cretaceous dioritic pluton and metamorphic rocks of the Upper Triassic Karmutsen Formation. The pluton margin is strongly foliated parallel to primary and secondary fabrics in the metamorphic rocks, resulting in highly persistent brittle structures. Other important structures include a set of sheeting joints and highly persistent mafic dykes and faults. Stability analysis indicates that planar and wedge rock slope failures up to about 500 000 m3 in volume could occur. We suspect that failures of this size in this setting would have the potential to generate locally hazardous waves. As several similar rock slopes fronted by large submarine debris cones exist in the inner part of Knight Inlet, it is clear that tsunami hazards should be considered in coastal infrastructure development and land-use planning in this area.
    Print ISSN: 1561-8633
    Electronic ISSN: 1684-9981
    Topics: Geography , Geosciences
    Published by Copernicus on behalf of European Geosciences Union.
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  • 10
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    7000 year record of lake-level change on the northern Great Plains: A high-resolution proxy of past climate (1992)
    Geological Society of America
    Details
    Publication Date: 1992-01-01
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
    Published by Geological Society of America
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