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"description": "In this visualization of Antarctica, we cruise along the coastline of the Amundsen Sea from Cape Dart to the Pine Island Bay. Initially we pass the massive Getz Ice Shelf on our right stretching over 300 miles (500 km) along the coast. As we approach the Smith Glacier and the Dotson Ice Shelf, the sea surface becomes transparent allowing us to see the ocean flows moving under the surface. These flows portray the direction, speed and temperature of the ocean circulation based on version 3 of the ECCO ocean circulation model. The flows are colored by temperature, spanning the range from 29.75 degrees fahrenteit (-1.25 degrees celsius) shown in blue to 34.25 degrees fahrenheit (+1.25 degrees celsius) shown in red. We see the ocean flows circulating around the Pine Island Bay and under the adjacent floating ice tongue of the Thwaites Glacier.
As we approach the Pine Island Glacier, we dip below the surface of the bay and see the stratification of the temperature in the ocean flows, with the coldest water shown in blue near the surface and the warmer water shown in red at lower depths. We move forward under the floating ice of the Pine Island Glacier and see how the warmer ocean flows are circulating under the glacier's floating tongue, eroding the ice from beneath.
The topography in this visualization has been exaggerated by 4x above sea level and 15x below sea level in order to more clearly observe the change in ocean temperature at various depths.
This version is provided in Dome Master format meant for projection onto a planetarium dome. A version of this visualization designed to play on a flat screen is available here.",
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"name": "Cindy Starr",
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"name": "Leann Johnson",
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"name": "Laurence Schuler",
"employer": "ADNET Systems, Inc."
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{
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"employer": "ADNET Systems, Inc."
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"sensor": "ETM+",
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{
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{
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"description": "A self-consistent dataset of the Antarctic Ice Sheet based on the conservation of mass",
"credit": "Morlighem, M., Rignot, E., Binder, T. et al. Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet. Nature Geoscience 13, 132–137 (2020)",
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"description": "High resolution, time-stamped Digital Surface Model (DSM) of Antarctica at 100-meter spatial resolution",
"credit": "DEMs provided by the Byrd Polar and Climate Research Center and the Polar Geospatial. Computer time provided through a Blue Waters Innovation Initiative. DEMs produced using data from DigitalGlobe, Inc.",
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"title": "Antarctic Ocean Flows: an excerpt from Atlas of a Changing Earth (4k format)",
"description": "This visualization shows how the ocean circulation in the Amundsen Sea, Antarctica flows around and under the floating ice shelves and glaciers. The ocean flows are colored by temperature with blue indicating colder and red showing warmer currents. This version includes a title, credits, narration and music.This video is also available on our YouTube channel. || Antarctic_flows_2021_flat_HD_Audio.00310_print.jpg (1024x576) [81.9 KB] || Antarctic_flows_2021_flat_HD_Audio.mp4 (1920x1080) [286.8 MB] || Antarctic_flows_2021_flat_HD_Audio.webm (1920x1080) [16.4 MB] || Antarctic_flows_2021_flat_4k_Audio.mp4 (3840x2160) [1.1 GB] || Antarctic_flows_2021_flat_4k_Audio.en_US.srt [1.3 KB] || Antarctic_flows_2021_flat_4k_Audio.en_US.vtt [1.3 KB] || ",
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