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Antarctica2194 viewsSea ice concentration from the NSIDC Sea Ice Index.
Fimbul Ice Shelf2177 viewsThe Fimbul Ice Shelf is punctuated by numerous ice rises that occur where isolated rocky islands are covered by ice. Ice shelves may be particularly sensitive to changes in climate, and recently ice shelves in the Antarctic Peninsula have experienced rapid retreat
2161 viewsResearcher sets up equipment during the U.S.-Norway Scientific Traverse of East Antarctica.
Image Credit: Ted Scambos, NSIDC
2146 viewsThis view of the Antarctic Ice Sheet remained unchanged during much of the traverse.
Image Credit: Ted Scambos, NSIDC
2134 viewsResearchers saw Sastrugi such as this one during the traverse.
Image Credit: Ted Scambos, NSIDC
Antarctic Snow Dunes2115 viewsExtensive snow dunes wrinkle the surface of large parts of East and West Antarctica. The dunes are up to 100 kilometers long and separated by 2 to 4 kilometers, but only a few meters high. Comparison of modern satellite images with images acquired four decades earlier reveals that the dunes are nearly motionless.
2101 viewsThis Landsat image of Crane Glacier on the Antarctic Peninsula is overlain with ICESat and Airborne Topopgraphic Mapper (ATM) tracks. ATM is a lidar sensor that is now part of the IceBridge mission. Over time, ICESat and ATM measurements, together with visible imagery, can detect thinning of the ice and accelerated flow of ice into the ocean. Large glaciers such as Crane have the potential to contribute significantly to sea level rise.
2047 viewsThis in-flight photo shows the edge of the Larsen B Ice Shelf. The surface is melted, and ice flows off the edge like a waterfall.
Photo Credit: Courtesy Ted Scambos and Rob Bauer, NSIDC
IceTrek Web site
1935 viewsThis traverse vehicle has a radar for sensing crevasses.
Image Credit: Ted Scambos, NSIDC
1934 viewsSouth Pole station looks tiny when viewed from a distance.
Image Credit: Ted Scambos, NSIDC
1933 viewsResearchers stop to check out the snow during the traverse of East Antarctica.
Image Credit: Ted Scambos, NSIDC
Allan Hills1909 viewsThe Allan Hills are located on the flanks of the TransAntarctic Mountains. Ice upwells onto the hills where combinations of winds and solar insolation cause the ice to quickly ablate. Meteorites that once fell over a large region of East Antarctica have been carried by glacier motion into this small locality.
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