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Polynya
Polynya (disambiguation)

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Polynya

A polynya /pəˈlɪnjə/ is an area of open water surrounded by sea ice. It is now used as geographical term for an area of unfrozen sea within the ice pack. It is a loanword from Russian: полынья (polynya) Russian pronunciation: [pəlɨˈnʲja], which refers to a natural ice hole, and was adopted in the 19th century by polar explorers to describe navigable portions of the sea. In past decades, for example, some polynyas, such as the Weddell Polynya, have lasted over multiple winters (1974–1976).

Formation

Polynyas are formed through two main processes:

Sensible heat polynya: this is thermodynamically driven, and typically occurs when warm water upwelling keeps the surface water temperature at or above the freezing point. This reduces ice production and may stop it altogether.

Latent heat polynya: is formed through the action of katabatic wind or ocean currents which act to drive ice away from a fixed boundary, such as a coastline, fast ice, or an ice bridge. The polynya forms initially by the first year pack ice being driven away from the coast, which leaves an area of open water within which new ice is formed. This new ice is then also herded downwind toward the first year pack ice. When it reaches the pack ice the new ice is consolidated onto the pack ice. The latent heat polynya is the open water region between the coast and the ice pack.

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Polynya

Polynya (disambiguation)

A polynya is a non-linear area of open water surrounded by sea ice.

Polynya may also refer to:

Polynia (ship), a ship crushed in sea ice in 1891 and commemorated in the song Old Polina

Kane’s Polynia, an open sea rumored to exist around the North Pole in the 19th century

Polynia Island, an island in Canada once part of the British Arctic Territories

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Polynya_(disambiguation)

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I'm counting up the tolls
That I have paid for living my life
I'm patchin up the holes
Being gouged by this mass condemnation
But I won't be responsible for the things they've said and done
And I won't be responsible for any battles lost or won
Every person in this world can drop dead except for you
Every person in this world is on their side but you
And wherever you may go
I will go
I've come in from the cold
And I'm so glad that I've found my home
I'm keepin all I hold
It's not often that you get the things you've asked for
But you can't be responsible for the things they'll take away
I won't be opposable
Don't want to fight for every day
The questions you ask me have answers
Plain and clear
I will go and leave forever on the day
They find the boy who loves you half as much as I do
And until that day I will remain and never go away
But I can't be responsible for all the things they've done to you
They won't be held accountable and there's nothing you can do
They depend on the truth
Every person in this world can drop dead except for you
Every person in this world is on their side but you
And wherever you may go

Latest News for: polynya

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China's Antarctic mission charts rare polynyas

CCTV 13 Mar 2025

China's 41st Antarctic expedition has successfully ...

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Polynya

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Polynya (disambiguation)

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China's Antarctic mission charts rare polynyas

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