Seabed gouging by ice

Iceberg drifting into shallower waters and gouging the seabed as it comes into contact with it.

Drifting sea ice pressure ridges can also gouge the seabed.

Illustration of an echo sounding operation, here with a multibeam sonar used to map seabed bathymetry.

Anatomy of a gouged seabed, with three zones: Zone 1 is where the soil is removed (to form the gouge), Zone 2 where soil displacement occurs, and Zone 3 where there is none.

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.

单词	Ice scour
释义	Ice scour 英语百科 Seabed gouging by ice 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.
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Ice scour

Seabed gouging by ice