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Science

Submission + - Cryosat-2 Returns First Map of Arctic Circle (bbc.co.uk)

H3xx writes: The European Space Agency (Esa) satellite Cryosat-2 was launched in April, carrying one of the highest resolution synthetic aperture radars ever put in orbit. Cryosat's primary mission is to measure sea-ice thickness, which has been in sharp decline in recent decades. Its ability also to map the shape of the sea surface will tell scientists if Arctic currents are changing as a result of winds being allowed to blow more easily on ice-free waters.

Today, radar data from the European satellite has been used to make a map of ocean circulation across the Arctic basin.

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