Submarine landslides – architecture, controlling factors and environments. A summary. / Scarselli, Nicola.

Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis. 2nd Edition. ed. Elsevier, 2020. p. 417-439.

Research output: Chapter in Book/Report/Conference proceedingChapter

Published

Standard

Submarine landslides – architecture, controlling factors and environments. A summary. / Scarselli, Nicola.

Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis. 2nd Edition. ed. Elsevier, 2020. p. 417-439.

Research output: Chapter in Book/Report/Conference proceedingChapter

Harvard

Scarselli, N 2020, Submarine landslides – architecture, controlling factors and environments. A summary. in Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis. 2nd Edition edn, Elsevier, pp. 417-439. https://doi.org/10.1016/B978-0-444-64134-2.00015-8

APA

Scarselli, N. (2020). Submarine landslides – architecture, controlling factors and environments. A summary. In Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis (2nd Edition ed., pp. 417-439). Elsevier. https://doi.org/10.1016/B978-0-444-64134-2.00015-8

Vancouver

Scarselli N. Submarine landslides – architecture, controlling factors and environments. A summary. In Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis. 2nd Edition ed. Elsevier. 2020. p. 417-439 https://doi.org/10.1016/B978-0-444-64134-2.00015-8

Author

Scarselli, Nicola. / Submarine landslides – architecture, controlling factors and environments. A summary. Regional Geology and Tectonics: Volume 1: Principles of Geologic Analysis. 2nd Edition. ed. Elsevier, 2020. pp. 417-439

BibTeX

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title = "Submarine landslides – architecture, controlling factors and environments. A summary.",
abstract = "Submarine landslides are a broad term for indicating the phenomena of failure of near-seabed sediments under the effect of gravity. This occurs with the concomitance of stresses applied to the seabed with the ensuing of environmental conditions that might cause sediment weakening. Submarine landslides are typically classified based on the type of movement that produces them – e.g. slide, slump, creep. Recent studies have also proposed alternative classifications based on the morphology of the resultant deposits (i.e. confined vs frontally emergent failures) and based on the submarine physiographic region from which landslides initiate (i.e. attached vs detached failures).The overall morphology of landslide deposits reflects the dominant collapse process, with sliding and slumping, for example, generating distinct products. Failures, however, share a typical tripartite architecture with an updip headwall domain, a translational domain and a downslope toe domain, each typified by distinct structures. Carefully examination of these structures can provide evidence – kinematic indicators – which are critical for unravelling the evolution of submarine landslides.Landslides occur in a variety of submarine environments which are governed by specific natural processes often able to cause slope failure. These factors are referred as to triggering factors, if they act over a short period ultimately causing failure (e.g. earthquakes), or preconditioning factors, if they arise during deposition, and solely favour slope collapse (e.g. stiff vs weak sediments). Statistical studies of submarine landslides from a variety of locations worldwide demonstrate that most occur on gentle slopes, with the largest ones found in seismically quiet regions. These results imply that slope steepness and seismic activity are not the only controls on size and distribution of landslides, but instead the combination of multiple preconditioning and triggering factors might be critical for defining their mode of initiation and emplacement.",
author = "Nicola Scarselli",
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RIS

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N2 - Submarine landslides are a broad term for indicating the phenomena of failure of near-seabed sediments under the effect of gravity. This occurs with the concomitance of stresses applied to the seabed with the ensuing of environmental conditions that might cause sediment weakening. Submarine landslides are typically classified based on the type of movement that produces them – e.g. slide, slump, creep. Recent studies have also proposed alternative classifications based on the morphology of the resultant deposits (i.e. confined vs frontally emergent failures) and based on the submarine physiographic region from which landslides initiate (i.e. attached vs detached failures).The overall morphology of landslide deposits reflects the dominant collapse process, with sliding and slumping, for example, generating distinct products. Failures, however, share a typical tripartite architecture with an updip headwall domain, a translational domain and a downslope toe domain, each typified by distinct structures. Carefully examination of these structures can provide evidence – kinematic indicators – which are critical for unravelling the evolution of submarine landslides.Landslides occur in a variety of submarine environments which are governed by specific natural processes often able to cause slope failure. These factors are referred as to triggering factors, if they act over a short period ultimately causing failure (e.g. earthquakes), or preconditioning factors, if they arise during deposition, and solely favour slope collapse (e.g. stiff vs weak sediments). Statistical studies of submarine landslides from a variety of locations worldwide demonstrate that most occur on gentle slopes, with the largest ones found in seismically quiet regions. These results imply that slope steepness and seismic activity are not the only controls on size and distribution of landslides, but instead the combination of multiple preconditioning and triggering factors might be critical for defining their mode of initiation and emplacement.

AB - Submarine landslides are a broad term for indicating the phenomena of failure of near-seabed sediments under the effect of gravity. This occurs with the concomitance of stresses applied to the seabed with the ensuing of environmental conditions that might cause sediment weakening. Submarine landslides are typically classified based on the type of movement that produces them – e.g. slide, slump, creep. Recent studies have also proposed alternative classifications based on the morphology of the resultant deposits (i.e. confined vs frontally emergent failures) and based on the submarine physiographic region from which landslides initiate (i.e. attached vs detached failures).The overall morphology of landslide deposits reflects the dominant collapse process, with sliding and slumping, for example, generating distinct products. Failures, however, share a typical tripartite architecture with an updip headwall domain, a translational domain and a downslope toe domain, each typified by distinct structures. Carefully examination of these structures can provide evidence – kinematic indicators – which are critical for unravelling the evolution of submarine landslides.Landslides occur in a variety of submarine environments which are governed by specific natural processes often able to cause slope failure. These factors are referred as to triggering factors, if they act over a short period ultimately causing failure (e.g. earthquakes), or preconditioning factors, if they arise during deposition, and solely favour slope collapse (e.g. stiff vs weak sediments). Statistical studies of submarine landslides from a variety of locations worldwide demonstrate that most occur on gentle slopes, with the largest ones found in seismically quiet regions. These results imply that slope steepness and seismic activity are not the only controls on size and distribution of landslides, but instead the combination of multiple preconditioning and triggering factors might be critical for defining their mode of initiation and emplacement.

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BT - Regional Geology and Tectonics

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