| Search results - "change" |
Arctic Buildings18 viewsDue to changes in the ice floe surface, it was not uncommon for camps to relocate to more stable ground. This photograph was taken during the rebuilding of the camp NP-22 in 1980. Aluminum tent poles are at the right, and an overturned boat is at the left. Image credit: EWG.
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Taking Scientific Measurements19 viewsDetermining instrument location by theodolite. A theodolite is a high-precision surveying instrument. Because the ice floes rotated and changed in topography as they drifted, undergoing freezing and thawing, station members needed to regularly determine the position of the instruments relative to each other and to North. Image credit: EWG.
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Fimbul Ice Shelf1015 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
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692 viewsOne of the most studied and interesting ice streams in Antarctica, Ice Stream B shows a number of features that indicate past changes and ongoing evolution. In this subscene the upstream ends of several ice stream shear margins are highlighted. Characteristic crevasse patterns, nicknamed "chromosomes," mark the ends of several of these margin traces.
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197 viewsElders Lhakpa Chinzum and Pasang Dorie (left and right center) of Phurpe village in Tsum Valley meet with Shari Gearheard (far left) and other visitors from Nunavut to talk about their life and changes in Tsum. Dhawa Lama, the group's new friend and guide, originally from Tsum himself, helps with translation. Credit: Henry Huntington
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166 viewsInuit hunter Liemikie Palluq (left) and Shari Gearheard dressed in the traditional clothing of their Tsumba hosts, during an exchange to Nepal in 2012. Sharing culture, traditions, and ways of life were an important part of the exchange. Credit: Henry Huntington
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1449 viewsThis view of the Antarctic Ice Sheet remained unchanged during much of the traverse.
Image Credit: Ted Scambos, NSIDC
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1309 viewsThis view of the Antarctic Ice Sheet remained unchanged during much of the traverse.
Image Credit: Ted Scambos, NSIDC
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284 viewsThe Sea-Ice Knowledge Exchange team arrives in Qaanaaq.
Image courtesy Andy Mahoney
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2007 Arctic Sea Ice Animation496 viewsThis animation of September sea ice concentration from 1979 to 2007 shows that sea ice has been declining over the thirty years of the satellite record.
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Arctic Sea Ice Concentration 2008, Google Earth410 viewsSea Ice: Daily Concentration and Extent (SSM/I Sensor) for 2008 melt season, shown in Google Earth
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800 viewsThis map shows the spatial distribution of the rate of elevation change from the Elevation Change of the Southern Greenland Ice Sheet from 1978-1988 data set. The data was acquired from Seasat and Geosat radar altimeter data. It shows a 2000 m surface elevation contour, the ice divide, and the locations of nine shallow and three deeper ice cores in the study area.
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