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Concept information

قلمرو > قلمرو سیاره‌ای > منطقه اقیانوسی > یخ گشایی غیر خطی/یخ پیرامون

Preferred term

یخ گشایی غیر خطی/یخ پیرامون  

Type

  • http://www.irandoc.ac.ir/onto/irandoc-meta/Concept

Definitions

  • A polynya is any non-linear area of open water surrounded by sea ice. It is now used as geographical term for areas of sea in Arctic or Antarctic regions which remain unfrozen for much of the year.

Obsolete

  • false

In other languages

URI

http://www.irandoc.acir/onto/irandoc/SWEETT03958

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