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Ice in the Sea of Okhotsk
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Ice in the Sea of Okhotsk

April 2, 2012
In late March, 2012 sea ice hugged the shores of Russia’s Sakhalin Island and covered much of the Sea of Okhotsk. As spring brings increasing sunlight to the region, the ice will begin to break up and flow out to the Pacific Ocean. On March 23, the Japanese Meteorological Agency predicted that ice would flow out of the Goyoumai Pass and the Kunashiri Pass near Hokkaido, Japan in the upcoming week, and warned ships to be cautious about the movement of sea ice.

The National Snow and Ice Data Center (NSIDC) announced that the Arctic sea ice reached its maximum extent for the winter of 2011-2012 on March 18. The total extent was 15.24 million square kilometers (5.88 million square miles), which was below the 1979-2000 average, but still slightly above the record low, which was recorded during the winter of 2010-2011.

The Sea of Okhotsk lies at a similar latitude as Portland, Oregon and Venice, Italy, and the Sea is the southernmost extent of Artic sea ice. It is generally icebound from November to June, and is frequently covered in heavy fog, making clear images, such as this one, difficult to acquire.

The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite captured this true-color image of the shifting sea ice on March 25, 2012.

Credits: Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC


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