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Keywords:

  • coastal polynya;
  • passive microwave;
  • sea ice production

In Arctic coastal polynyas, persistent areas of thin ice, a large amount of new ice forms during winters. Significant heat is lost through these regions of thin ice. Knowing how much ice is produced in polynyas is important for determining overall cold saline water formation in the Arctic Ocean. However, because of the difficulty of making in situ measurements, there have been few studies of ice production in coastal Arctic polynyas.