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Color-classified Seasat synthetic aperture radar image of pack ice in the Beaufort Sea west of Banks Island, Northwest Territories, Canada (4 October 1978). The image is a combination of the color-classified image and the original image and shows the following separable ice classes: red, multiyear ice; black, new or grease ice; yellow, young or pancake ice; and bluish-white, open water. See page 371. [W. F. Weeks, Snow and Ice Branch, Cold Regions Research and Engineering Laboratory, Hanover, New Hampshire 03755]


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Science. ISSN 0036-8075 (print), 1095-9203 (online)