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This Sentinel-1 radar composite image takes us to the northeastern tip of Ellesmere Island (lower-left), where the Nares Strait opens up into the Lincoln Sea in the Canadian Arctic.

The image was created by combining three radar scans from Copernicus Sentinel-1 captured in December, January and February. Each image has been assigned a colour – red, green and blue – and create this colourful composite when combined. Colours show changes between acquisitions, such as the movement of ice in the Lincoln Sea, while the static landmass is grey.

The obvious distinction between the red and yellow depicts how the ice cover has changed over the three months.

View the full resolution image.

Credit: contains modified Copernicus Sentinel data (2016-17), processed by ESA

Alert, Canada

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