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This photograph from a March 27, 2015 NASA IceBridge flight shows a mixture of deformed, snow-covered, first-year sea ice floes, interspersed by open-water leads, brash ice and thin, snow-free nilas and young sea ice over the East Beaufort Sea. Nilas are thin sheets of smooth, level ice less than 10 centimeters (4 inches) thick and appear darkest when thin. Credit: NASA/Operation Ice Bridge. High-resolution image

The Arctic sets yet another record low maximum extent

News Release

Warming ocean water undercuts Antarctic ice shelves

Spotlight

“Upside-down rivers” of warm ocean water threaten the stability of floating ice shelves in Antarctica, according to a new study led by researchers at the National Snow and Ice Data Center published today in Nature Geoscience. The study highlights how parts of Antarctica’s ice sheet may be weakening due to contact with warm ocean water.

The sad tale of the St. Patrick Bay ice caps

Feature Story

Mark Serreze spent the summers of 1982 and 1983 studying two ice caps near St. Patrick Bay on Ellesmere Island in Nunavut, Canada. These ice caps have dramatically shrunk over the past fifty years and and are likely to soon disappear entirely.

NSIDC researchers to test new Antarctic weather station on frozen Colorado lake

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Crevasse in dissipator of Stockje Glacier. Aug. 11, 1894. Photographed by Harry F. Reid. Image Credit: Courtesy NSIDC Glacier Photograph Collection NSIDC Glacier Photograph Collection

CU-Boulder Libraries, NSIDC win grant to digitize historical Glacier Photograph Collection

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A sharper view of the ice edge

Feature Story

Researchers at NSIDC and their colleagues have developed a way to improve sea ice edge forecasts in the Arctic. The new method bumps up the accuracy of the six-hour forecast by almost 40 percent, making forecasts more reliable and navigation in the Arctic safer.

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