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The satellite images have pixel ground resolutions of under 0.5 meters, and overlapping images from different angles can be used to extract elevation data for DEMs. Based only on satellite position, there may be errors of several meters, but through ground control registration these can be reduced to point-to-point errors of 20 centimeters or ...
A satellite orbiting hundreds of miles above Earth recently captured rare images of an atmospheric phenomenon that makes Antarctica glaciers appear to be smoking. The wisps of "sea smoke" blowing ...
Currently, geostationary and polar-orbiting satellite observations can be used to generate wind vectors based on cloud motions or water vapor target movements over a series of three satellite images. However, the paths of the geostationary and polar-orbiting satellites leave a band of high latitudes not covered near the Antarctic and Southern ...
Scientists from the University College London and the British Antarctic Survey discover that a snow covered volcano on Mount Michael on Saunders Island in the South Sandwich Islands contains a lake of lava within its crater.
Parts of icy Antarctica are turning green with plant life as the region is gripped by extreme heat events, new research shows, sparking concerns about the changing landscape on this vast continent.
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The striking images, made from sonar readings, can help boats avoid dangerous obstacles in the poorly understood Southern Ocean. Hi-res images show the ocean floor around Antarctica in ...
Lake Vostok (Russian: озеро Восток, romanized: ozero Vostok) is the largest of Antarctica's 675 known [3] subglacial lakes.Lake Vostok is located at the southern Pole of Cold, beneath Russia's Vostok Station under the surface of the central East Antarctic Ice Sheet, which is at 3,488 m (11,444 ft) above mean sea level.