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Antarctic Sub-glacial Lakes
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The following animation helps to explain the dynamics of subglacial water exchange and what it looks like from space. Starting from an artist's concept of the Antarctic surface we move down to a cross section of the ice sheet with lakes hidden deep beneath. As pressure is exerted on one lake, the water in it is forced to an adjacent lake. This water movement results in elevation changes at the surface over both lakes, detectable by NASA satellites. The camera then moves to a 'top-down' view of a system of these hidden lakes and streams before dissolving into observed satellite data.
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This animation illustrates the dynamics of the network of subglacial lakes far beneath the ice streams of Antarctica.
Duration: 21.0 seconds
Available formats:
1280x720
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720x480
Frames
352x240 (29.97 fps)
MPEG-1
4 MB
320x218
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69 KB
160x80
PNG
18 KB
80x40
PNG
5 KB
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