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- W2034659250 abstract "Modern and relict scours produced by iceberg keels have been reported from a number of high latitude continental shelves in the Northern Hemisphere and Antarctica, but observations are largely absent from the East Greenland shelf. About 18 km3 yr−1 of icebergs are calved into the Scoresby Sund fjord system, East Greenland. These icebergs have submarine keels with drafts up to 550 m. Modern iceberg contacts with the sea floor are inferred from calculated keel depths and stationary icebergs identified on sequential Landsat imagery. Acoustic profiles (Parasound, 3.5 kHz) of the sea floor show that scouring is a significant process in water depths < 550 m. Iceberg scouring intensity varies inversely with water depth. The most intense scouring occurs at depths of < 300–400 m. Iceberg scours were observed on over 25,000 km2 of the East Greenland shelf, at 69–72°N and 75°N. Scours are being actively produced on the modern shelf, but relict scours probably dating back to the Late Weichselian are also present. The rate of iceberg production from Greenland Ice Sheet outlet glaciers, and iceberg drift tracks on the shelf, suggests that iceberg scouring is important over a significant proportion of the 500,000 km2 area above the shelf break around Greenland." @default.
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- W2034659250 date "1993-04-01" @default.
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- W2034659250 title "Iceberg scouring in Scoresby Sund and on the East Greenland continental shelf" @default.
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- W2034659250 doi "https://doi.org/10.1016/0025-3227(93)90187-z" @default.
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