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Visualization of the mass change over the Antarctic Ice Sheet from January 2004 through June 2014. The color on the surface of the ice sheet shows the change in equivalent water height while the graph overlay shows the total accumulated change in gigatons.", "items": [ { "id": 278529, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441986, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_Wgraph_p30.2521_print.jpg", "filename": "GRACE_Antarctic_Wgraph_p30.2521_print.jpg", "media_type": "Image", "alt_text": "Visualization of the mass change over the Antarctic Ice Sheet from January 2004 through June 2014. 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The color on the surface of the ice sheet shows the change in equivalent water height while the graph overlay shows the total accumulated change in gigatons.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 278525, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441991, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_Wgraph_p30_360p.mp4", "filename": "GRACE_Antarctic_Wgraph_p30_360p.mp4", "media_type": "Movie", "alt_text": "Visualization of the mass change over the Antarctic Ice Sheet from January 2004 through June 2014. 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The color on the surface of the ice sheet shows the change in equivalent water height while the graph overlay shows the total accumulated change in gigatons.", "width": 0, "height": 0, "pixels": 0 } }, { "id": 278533, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441994, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/MASCON_solution_antartica_4347.key", "filename": "MASCON_solution_antartica_4347.key", "media_type": "Presentation", "alt_text": "Visualization of the mass change over the Antarctic Ice Sheet from January 2004 through June 2014. 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This animations shows the change in the mass of the Antarctic Ice Sheet between January 2004 and June 2014 as measured by the pair of GRACE satellites. The 1-arc-deg NASA GSFC mascon solution data was resampled to a 5130 x 5130 data array using Kriging interpolation. A color scale was applied in the range of +250 to -250 centimeters of equivalent water height, where blue values indicate an increase in the ice sheet mass while red shades indicate a decrease. In addition, a graph overlay shows the running total of the accumulated mass change in gigatons.

The data is first shown over the entire Antarctic Ice Sheet with the graph showing the total change in gigatons for the full ice sheet. The camera then zooms to focus on the West Antarctic Ice Sheet, the region to the West of the Trans-Antarctic mountains, where much of the loss has taken place. The animation is shown again over this region while the graph of ice loss presents the change over West Antarctica alone. Regions composed of the floating ice shelves, and thus not a part of the Antarctic Ice Sheet, are shown in a pale shade of green.

Technical Note: The glacial isostatic adjustment signal (Earth mass redistribution in response to historical ice loading) has been removed using the ICE-6G model (Peltier et al. 2015).", "items": [], "extra_data": {} }, { "id": 336968, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336968", "widget": "Single image", "title": "", "caption": "", "description": "A print-resolution image showing the accumulated change in equivalent water height over the Antarctic Ice Sheet from January 2004 through June 2014. A graph of the Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "items": [ { "id": 278535, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441995, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_STILL_0002_print.jpg", "filename": "GRACE_Antarctic_STILL_0002_print.jpg", "media_type": "Image", "alt_text": "A print-resolution image showing the accumulated change in equivalent water height over the Antarctic Ice Sheet from January 2004 through June 2014. A graph of the Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 278534, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441996, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_STILL_0002.tif", "filename": "GRACE_Antarctic_STILL_0002.tif", "media_type": "Image", "alt_text": "A print-resolution image showing the accumulated change in equivalent water height over the Antarctic Ice Sheet from January 2004 through June 2014. A graph of the Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "width": 5760, "height": 3240, "pixels": 18662400 } } ], "extra_data": {} }, { "id": 336969, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336969", "widget": "Single image", "title": "", "caption": "", "description": "A print-resolution image showing the accumulated change in equivalent water height over the West Antarctic Ice Sheet from January 2004 through June 2014. A graph of the West Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "items": [ { "id": 278537, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441997, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_West_Antarctic_STILL_0012_print.jpg", "filename": "GRACE_West_Antarctic_STILL_0012_print.jpg", "media_type": "Image", "alt_text": "A print-resolution image showing the accumulated change in equivalent water height over the West Antarctic Ice Sheet from January 2004 through June 2014. A graph of the West Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 278536, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441998, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_West_Antarctic_STILL_0012.tif", "filename": "GRACE_West_Antarctic_STILL_0012.tif", "media_type": "Image", "alt_text": "A print-resolution image showing the accumulated change in equivalent water height over the West Antarctic Ice Sheet from January 2004 through June 2014. A graph of the West Antarctic Ice Sheet's total change in gigatons is overlaid on the image.", "width": 5760, "height": 3240, "pixels": 18662400 } } ], "extra_data": {} }, { "id": 336970, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336970", "widget": "Video player", "title": "", "caption": "", "description": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "items": [ { "id": 278543, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442001, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_noRef_p30.2521_print.jpg", "filename": "GRACE_Antarctic_noRef_p30.2521_print.jpg", "media_type": "Image", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 278538, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442003, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_noRef_p30_1080p.mp4", "filename": "GRACE_Antarctic_noRef_p30_1080p.mp4", "media_type": "Movie", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 278539, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442002, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_noRef_p30_720p.mp4", "filename": "GRACE_Antarctic_noRef_p30_720p.mp4", "media_type": "Movie", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 278541, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 441999, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/frames/1920x1080_16x9_60p/composite_noRef/", "filename": "composite_noRef", "media_type": "Frames", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 278542, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442000, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/frames/1920x1080_16x9_30p/composite_noRef/", "filename": "composite_noRef", "media_type": "Frames", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 278544, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442005, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_noRef_p30_720p.webm", "filename": "GRACE_Antarctic_noRef_p30_720p.webm", "media_type": "Movie", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 278540, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442004, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_noRef_p30_360p.mp4", "filename": "GRACE_Antarctic_noRef_p30_360p.mp4", "media_type": "Movie", "alt_text": "The same movie as shown above without the reference to the data source: NASA GSFC NASCON Solution.", "width": 640, "height": 360, "pixels": 230400 } } ], "extra_data": {} }, { "id": 336971, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336971", "widget": "Video player", "title": "", "caption": "", "description": "The background visualization without the graph overlay or labels.", "items": [ { "id": 278550, "type": "media", "extra_data": null, "title": null, 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"https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_dataVis_p30_720p.mp4", "filename": "GRACE_Antarctic_dataVis_p30_720p.mp4", "media_type": "Movie", "alt_text": "The background visualization without the graph overlay or labels.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 278547, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442011, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_Antarctic_dataVis_p30_720p.webm", "filename": "GRACE_Antarctic_dataVis_p30_720p.webm", "media_type": "Movie", "alt_text": "The background visualization without the graph overlay or labels.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 278548, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442008, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/frames/1920x1080_16x9_60p/datavis/", "filename": "datavis", "media_type": "Frames", "alt_text": "The background visualization without the graph overlay or labels.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 278549, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442007, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/frames/1920x1080_16x9_30p/datavis/", "filename": "datavis", "media_type": "Frames", "alt_text": "The background visualization without the graph overlay or labels.", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "extra_data": {} }, { "id": 336972, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336972", "widget": "Single image", "title": "", "caption": "", "description": "The colorbar alone with transparency", "items": [ { "id": 278552, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442013, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_colorbar.0700_print.jpg", "filename": "GRACE_colorbar.0700_print.jpg", "media_type": "Image", "alt_text": "The colorbar alone with transparency", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 278551, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442012, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004347/GRACE_colorbar.0700.tif", "filename": "GRACE_colorbar.0700.tif", "media_type": "Image", "alt_text": "The colorbar alone with transparency", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "extra_data": {} }, { "id": 336973, "url": "https://svs.gsfc.nasa.gov/4347/#media_group_336973", "widget": "Single image", "title": "", "caption": "", "description": "The graph overlay of the mass change in gigatons with transparency along with all text labels, colorbar and date.", "items": [ { "id": 278555, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 442015, "url": 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Peltier, W.R., Argus, D.F. and Drummond, R. (2015) Space geodesy constrains ice-age terminal deglaciation: The global ICE-6G_C (VM5a) model.\nJ. Geophys. Res. Solid Earth, 120, 450-487, doi:10.1002/2014JB011176.", "Luthcke, S.B., T.J. Sabaka, B.D. Loomis, A.A. Arendt, J.J. McCarthy, J. Camp (2013), Antarctica, Greenland and Gulf of Alaska land ice evolution from an iterated GRACE global mascon solution, J. Glac., Vol. 59, No. 216, 613-631, doi:10.3189/2013jJoG12j147.

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