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Image: Copernicus Sentinel-3A captures Bering Sea


Image: Copernicus Sentinel-3A captures Bering Sea

Credit: contains modified Copernicus Sentinel data (2017), processed by ESA , CC BY-SA 3.0 IGO The Copernicus Sentinel-3A satellite brings us over the Bering Sea, north of the Alaska Peninsula, on 26 March.

Seasonal sea ice dominates the upper part of the image. Ice plays an important role in the sea’s ecosystem. Growing algae attach to the bottom of the ice; when the ice melts in the spring, it leaves behind a layer of nutrient-rich freshwater on which the algae thrive. Organisms higher up the food chain then eat the algae.
In the top-right corner, we can see part of Alaska’s mainland blanketed with snow, as well as Nunivak Island appearing like a massive piece of floating ice.
At the centre of the image are the islands of Saint Paul and Saint George – part of the Pribilof Islands. An estimated two million seabirds nest on these islands annually.
The swirling clouds on the right side of the image are the result of a meteorological phenomenon known as a von Kármán vortex street. As wind-driven clouds pass over the Unimak Island on the right edge of the image, they flow around the high volcanoes to form the large spinning eddies that can clearly be seen in the image.
Explore further:Cloud streets off of the Aleutian Islands
Provided by:European Space Agency

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