Jeff Schmaltz, MODIS Rapid Response Team, NASA/GSFC
One day before spring in the Northern Hemisphere, ice in the northern and eastern arms of the Baltic Sea appear to be releasing their wintry grip on the coastlines of Sweden (top left) and Finland (center). The northern arm is called the Gulf of Bothnia, and the eastern arm is called the Gulf of Finland. A little more brown than white is showing on the ground on the southern tip of Finland and northern Estonia (bottom center), indicating that snow cover is retreating somewhat. Meanwhile, the glacier carved lakes of central and southern Finland are still packed with ice, as is much larger Lake Ladoga in western Russia (right). At top right, an inlet of the White Sea is ice-free and deep, clear blue. This image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite on March 20, 2003.
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