Polynyas News

Articles, resources, and announcements from Polynyas.

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SeaWiFS image of the Southern Hemisphere, September 1997 to August 1998.

Polynyas, CO2, and Diatoms in the Southern Ocean

Not all phytoplankton are created equal.

Feature Article

July 23, 2020

The image above shows Antarctic sea ice extent from February 2022, using DMSP SSM/I, SSMIS, and Nimbus 7 SMMR.

Phytoplankton and Polynyas

Researchers use averaged ice concentrations to estimate sea ice cover.

Feature Article

July 23, 2020

The image above shows detailed measurements of sea surface height from the ERS-1 altimeter.

Oceanic Convection in the Greenland Sea Odden Region as Interpreted in Satellite Data

SAR and in situ data help model convection-driven ice-edge retreat causing growth of Nordbukta.

Feature Article

July 22, 2020

This image of the Oates and Pennell Coasts of Antarctica, acquired by MODIS on December 3, 2002, shows several large polynyas.

Life in Icy Waters

Publication from NASA ESDIS describing research uses of data from EOSDIS - scientists use SSM/I data to locate Antarctic polynyas.

Feature Article

July 22, 2020

The above image shows a research vessel at the edge of a first year ice floe.

Ice & Sky

Canadian RADARSAT data is used to indicate the presence of open water in polar ice.

Feature Article

July 22, 2020

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