Mass wasting along the Labrador shelf margin: Submersible observations

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1987 English Publisher:Springer Science and Business Media LLCJournal:Geo-Marine Letters, volume 7, pages 199-205 (issn: 0276-0460, eissn: 1432-1157,

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Authors: H. W. Josenhans; J. V. Barrie; L. A. Kiely;

doi: 10.1007/bf02242772

Mass wasting along the Labrador shelf margin: Submersible observations

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Abstract

A dissected valley system along the central portion of the Labrador upper slope has been investigated using geophysical and submersible observations. The complex slope is a result of mass wasting on a steep slope gradient which appears to be independent of processes on the bank top. Small scale slumping and creep, a result of biological activity and iceberg rafting, and large-scale debris flows occur presently below 750 m water depth. A recent debris flow in the valley was examined in detail. Degraded iceberg scour marks are the principal sea bed feature above 750 m water depth.

Related Organizations

Geological Survey of Canada
Canada
Memorial University of Newfoundland
Canada
Bedford Institute of Oceanography
Canada

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