About: Seabed gouging by ice

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Seabed gouging by ice is a process that occurs when floating ice features (typically icebergs and sea ice ridges) drift into shallower areas and their keel comes into contact with the seabed. As they keep drifting, they produce long, narrow furrows most often called gouges, or scours. This phenomenon is common in offshore environments where ice is known to exist. Although it also occurs in rivers and lakes, it appears to be better documented from oceans and sea expanses.

Attributes	Values
rdf:type	Election
rdfs:label	Affouillement des fonds marins par la glace (fr) Seabed gouging by ice (en)
rdfs:comment	Lorsqu’une formation de glace flottante (typiquement un iceberg ou un fragment de banquise) dérive dans une zone peu profonde, il arrive que la partie immergée (la quille) de cette glace touche le fond de l’eau. Elle se met alors à racler les sédiments en y laissant un sillon – c’est le phénomène de l’affouillement (Wadhams 2000, Weeks 2010, ch. 13). Si ce phénomène est le plus souvent observé dans les mers et les océans, on le remarque également dans les rivières et les lacs (Noble and Comfort 1982, Grass 1984). (fr) Seabed gouging by ice is a process that occurs when floating ice features (typically icebergs and sea ice ridges) drift into shallower areas and their keel comes into contact with the seabed. As they keep drifting, they produce long, narrow furrows most often called gouges, or scours. This phenomenon is common in offshore environments where ice is known to exist. Although it also occurs in rivers and lakes, it appears to be better documented from oceans and sea expanses. (en)
foaf:depiction
dct:subject	Sea ice Glaciology Oceanography
Wikipage page ID	1452030 (xsd:integer)
Wikipage revision ID	1118960680 (xsd:integer)
Link from a Wikipage to another Wikipage	Bending Beaufort Sea Bloop Deformation (mechanics) Sea ice Arctic Circle Arctic ecology United States Geological Survey Pipeline transport Fathometer Continental shelf Offshore Technology Conference Offshore drilling Offshore geotechnical engineering Seabed Ice calving Ice cap Ice sheet Ice shelf Iceberg Icicle Drift ice Glacier Seawater Glaciology Bridge scour Fast ice Freshwater Hypoxia (environmental) Oceanography Svalbard Pleistocene Sonar Oil spill Sea ice Pressure ridge (ice) Side-scan sonar Stamukha Submarine pipeline Strudel (ice) Glacial ice dbr:Marine_Georesources_and_Geotechnology
Link from a Wikipage to an external page	http://www.j-pipe-eng.com/Abstract.cfm%3Fcat_no=2232s https://zenodo.org/record/1258198%7C https://www.int-res.com/articles/meps/162/m162p001.pdf
sameAs	Seabed gouging by ice Seabed gouging by ice Seabed gouging by ice Seabed gouging by ice
dbp:wikiPageUsesTemplate	dbt:Cite_journal dbt:Clear dbt:Convert dbt:Not_a_typo dbt:Refbegin dbt:Refend dbt:Reflist dbt:Short_description
thumbnail	wiki-commons:Special:FilePath/SeabedScouringByIce1.svg?width=300
has abstract	Lorsqu’une formation de glace flottante (typiquement un iceberg ou un fragment de banquise) dérive dans une zone peu profonde, il arrive que la partie immergée (la quille) de cette glace touche le fond de l’eau. Elle se met alors à racler les sédiments en y laissant un sillon – c’est le phénomène de l’affouillement (Wadhams 2000, Weeks 2010, ch. 13). Si ce phénomène est le plus souvent observé dans les mers et les océans, on le remarque également dans les rivières et les lacs (Noble and Comfort 1982, Grass 1984). (fr) Seabed gouging by ice is a process that occurs when floating ice features (typically icebergs and sea ice ridges) drift into shallower areas and their keel comes into contact with the seabed. As they keep drifting, they produce long, narrow furrows most often called gouges, or scours. This phenomenon is common in offshore environments where ice is known to exist. Although it also occurs in rivers and lakes, it appears to be better documented from oceans and sea expanses. Seabed scours produced via this mechanism should not be confused with strudel scours. These result from spring run-off water flowing onto the surface of a given sea ice expanse, which eventually drains away through cracks, seal breathing holes, etc. The resulting turbulence is strong enough to carve a depression into the seabed. Seabed scouring by ice should also be distinguished from another scouring mechanism: the erosion of the sediments around a structure due to water currents, a well known issue in ocean engineering and river hydraulics – see bridge scour. (en)
gold:hypernym	Process
prov:wasDerivedFrom	wikipedia-en:Seabed_gouging_by_ice?oldid=1118960680&ns=0
page length (characters) of wiki page	27204 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Seabed_gouging_by_ice
is Link from a Wikipage to another Wikipage of	Metocean Bloop Oil platform Geopolitics of the Arctic Offshore drilling Offshore geotechnical engineering Iceberg Gouge Marine ice sheet instability Kemp Caldera Scour Pressure ridge (ice) Vladimir Ryabinin Outline of oceanography

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