Break-up 2006 (true colour) - April 20

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Satellite image: ice break-up in Temagami, 2006

Posted April 20, 2006                                                                                                Photo: NASA/NOAA

Break-up progress

Continuing warm weather shrinks the ice cover and turns much of it into black ice, the last stage before break-up. Much of Lake Temagami has reached this point.

Except for Lake Nipissing, the lakes south of Temagami are ice free.

This true-colour image replaces the infrared today as it better reflects the actual ice condition. Once the ice becomes uniformly thin the infrared loses resolution.

The white shading angled across the photo is clouds.













Infrared Key


   open water

Dark blue

     very thin ice


     thin ice

Bright turquoise

     thick ice

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