Key words Flashcards

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1
Q

What is sea ice flow?

A

A large pack of floating ice often defined as a flat piece at least 20m across as its widest

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2
Q

What is drift ice?

A

Floating field of sea ice composed of several ice floes

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3
Q

What is leads?

A

Narrow, linear fractures in sea ice formed through dynamical processes, they play a critical role in the exchange of mass and energy between ocean and atmosphere in Polar regions

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4
Q

What polynyas?

A

An area of open water surrounding by sea ice. Unfrozen seawater within otherwise contiguous pack ice

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5
Q

What is Lomonosov ridge?

A

Its an unusual underwater ridge of continental crust in the Artic ocean. Spans 1800km between the New Siberian isalnds and over the central part of the ocean to ellesmere islands. Russia claims its there’s

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