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"description": "ICESat-2 is a spacecraft designed to accurately measure land and ice elevations on Earth. By comparing observations from different times, scientists will be able to study changes in elevations. ICESat-2 will be in a polar orbit which will provide high coverage near the poles where ice elevations are changing relatively quickly. This visualization shows ICESat-2's polar orbit from afar, then closer up. As we get close to the satellite, the 3 pairs of ICESat-2's ATLAS lidar laser beams begin to resolve. A ground track shows ICESat-2's global coverage which repeats about once every 90 days.
The ATLAS lidar on ICESat-2 uses 3 pairs of laser beams to measure the earth’s elevation and elevation change. As a global mission, ICESat-2 will collect data over the entire globe, however the ATLAS instrument is optimized to measure land ice and sea ice elevation in the polar regions.
For more information on ICESat-2 click here.",
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{
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"url": "https://svs.gsfc.nasa.gov/4913/",
"page_type": "Visualization",
"title": "ICESat-2 Maps Subglacial Lakes in Antarctica",
"description": "Data visualization featuring precise map of Mercer and Conway subglacial lakes in West Antarctica. The visualization sequence starts with a view of the Americas and slowly zooms into the suture between the Mercer and Whillans ice streams. Surface-height anomaly data from NASA's ICESat-2 mission provide critical insight for the drain-fill cycles of subglacial lakes and aid in the discovery of two new water bodies within the same region. This data-driven visualization includes labels of ice formations close to the area of interest and repeats playback of the segment of the subglacial lakes surface-height anomalies. || SubglacialLakesCompositex2_4K60fps_0904_print.jpg (1024x576) [88.8 KB] || SubglacialLakesCompositex2_4K60fps_0904.png (3840x2160) [5.9 MB] || frames/1920x1080_16x9_60p/Compositex2/ (1920x1080) [256.0 KB] || SubglacialLakesCompositex2_HD60fps.mp4 (1920x1080) [58.4 MB] || SubglacialLakesCompositex2_1080p30.mp4 (1920x1080) [53.8 MB] || SubglacialLakesCompositex2_HD60fps.webm (1920x1080) [6.9 MB] || frames/3840x2160_16x9_60p/Compositex2_4K/ (3840x2160) [256.0 KB] || SubglacialLakesCompositex2_4K60fps.mp4 (3840x2160) [58.5 MB] || SubglacialLakesCompositex2_4K30fps.mp4 (3840x2160) [182.4 MB] || ",
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"alt_text": "Data visualization sequence of surface-height anomaly data from NASA's ICESat-2 mission for Conway and Mercer subglacial lakes. This sequence includes colorbar, timestamp, scale bar and lake outlines.",
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"title": "ICESat-2 Launch Live Interviews",
"description": "B-roll will be added on Thursday, Sept 6th || icesat_screen_grab.png (1324x724) [1.3 MB] || icesat_screen_grab_print.jpg (1024x559) [92.1 KB] || icesat_screen_grab_searchweb.png (320x180) [77.6 KB] || icesat_screen_grab_thm.png (80x40) [5.3 KB] || ICESat-2_B-roll_Liveshots.mov (1280x720) [6.5 GB] || ICESat-2_B-roll_Liveshots.webm (960x540) [211.4 MB] || ICESat-2_B-roll_Liveshots_facebook_720.mp4 (1280x720) [809.8 MB] || ",
"release_date": "2018-09-04T16:00:00-04:00",
"update_date": "2023-05-03T13:46:28.489690-04:00",
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"title": "Leaders in Lidar",
"description": "In this series, we dive into the legacy of Goddard's lead role in developing laser altimetry, which has revolutionized the way we map our planet, the Moon and other planets. Each chapter looks at the successes and failures of these lidar instruments, beginning with the Mars Observer Laser Altimeter in the late 1980s, through the current generation of laser altimeters on ICESat-2 and GEDI. Through dozens of interviews and archival footage, the history, challenges and legacy of lidar are uncovered. || ",
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"update_date": "2023-05-03T11:43:45.152126-04:00",
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"description": "Follow an entire orbit of the ICESat-2 mission as it measures the elevation of oceans, sea ice, mountains and islands around the Earth. This video shows the same orbit (ground reference track 1352) on two different dates (December 26, 2018, and September 24, 2019) to capture the clearest, least cloudy data examples. Each frame shows a different aspect of the orbit. The upper left frame is the entire photon cloud standardized on a global scale. The upper right frame shows selected photon cloud granules that sync with the global scale within a degree in order to show more spatial detail. In many cases, the zoomed-in photon clouds in this frame have been slowed down in order to show details clearly. The bottom right frame shows video examples of the terrain that correspond with where the orbit is. The bottom left terrain is the continuous orbit on a blue marble with labels for countries and other geographic features that represent where the orbit went over or very nearby. || ",
"release_date": "2020-10-16T00:00:00-04:00",
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"page_type": "Visualization",
"title": "SVS Demo Reel",
"description": "This is the SVS Demo Reel presented at SIGGRAPH 2019 in Los Angeles, CA. || svs_siggraphreel2019_print.jpg (1920x1080) [319.8 KB] || svs_siggraphreel2019_print_searchweb.png (320x180) [36.2 KB] || svs_siggraphreel2019_print_thm.png (80x40) [3.3 KB] || svs_siggraphreel2019.mp4 (1920x1080) [298.4 MB] || svs_siggraphreel2019.webm (1920x1080) [18.6 MB] || svs_siggraphreel2019.en_US.srt [38 bytes] || svs_siggraphreel2019.en_US.vtt [51 bytes] || ",
"release_date": "2019-07-25T15:00:00-04:00",
"update_date": "2023-05-03T13:45:46.534851-04:00",
"main_image": {
"id": 394300,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004742/svs_siggraphreel2019_print.jpg",
"filename": "svs_siggraphreel2019_print.jpg",
"media_type": "Image",
"alt_text": "This is the SVS Demo Reel presented at SIGGRAPH 2019 in Los Angeles, CA.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
},
{
"id": 13124,
"url": "https://svs.gsfc.nasa.gov/13124/",
"page_type": "Produced Video",
"title": "A Slice of Ice",
"description": "Explore the first data results from the ICESat-2 satellite. || icesat2_orbit26.2100_1024x576.jpg (1024x576) [81.3 KB] || icesat2_orbit26.2100_print.jpg (1024x576) [89.7 KB] || icesat2_orbit26.2100_searchweb.png (320x180) [77.7 KB] || icesat2_orbit26.2100_thm.png (80x40) [5.2 KB] || icesat2_orbit26.2100.tif (1920x1080) [2.6 MB] || ",
"release_date": "2019-03-04T12:00:00-05:00",
"update_date": "2024-04-28T23:43:36.214820-04:00",
"main_image": {
"id": 397213,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013124/icesat2_orbit26.2100_1024x576.jpg",
"filename": "icesat2_orbit26.2100_1024x576.jpg",
"media_type": "Image",
"alt_text": "Explore the first data results from the ICESat-2 satellite. ",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 12977,
"url": "https://svs.gsfc.nasa.gov/12977/",
"page_type": "Produced Video",
"title": "Mass Balance of Ice Sheets",
"description": "AntarcticaMusic: \"Distant Echoes,\" Adam Salkeld, Atmosphere Music Ltd. PRS; \"Evolution of Life,\" David Stephen Goldsmith, Atmosphere Music Ltd. PRSComplete transcript available. || antarc_thumb_print.jpg (1024x576) [113.1 KB] || antarc_thumb_searchweb.png (320x180) [88.3 KB] || antarc_thumb_thm.png (80x40) [6.3 KB] || Antarctica_Brunt.mov (1920x1080) [4.1 GB] || Antarctica_Brunt_facebook_720.mp4 (1280x720) [424.3 MB] || Antarctica_Brunt_twitter_720.mp4 (1280x720) [77.5 MB] || Antarctica_Brunt_youtube_1080.mp4 (1920x1080) [571.8 MB] || Antarctica_Brunt_youtube_720.mp4 (1280x720) [552.4 MB] || Antarctica_Brunt_facebook_720.webm (1280x720) [32.9 MB] || Antarctica_icesheet.en_US.srt [6.0 KB] || Antarctica_icesheet.en_US.vtt [6.0 KB] || ",
"release_date": "2018-09-26T13:00:00-04:00",
"update_date": "2023-05-03T13:46:25.367148-04:00",
"main_image": {
"id": 402977,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a012900/a012977/greenland_thumb_print.jpg",
"filename": "greenland_thumb_print.jpg",
"media_type": "Image",
"alt_text": "GreenlandMusic: \"A New Hope,\" Al Lethbridge, Atmosphere Music Ltd. PRS; \"Spirals within a Sphere,\" Adam Salkeld, Atmosphere Music Ltd. PRSComplete transcript available.",
"width": 1024,
"height": 577,
"pixels": 590848
}
},
{
"id": 13062,
"url": "https://svs.gsfc.nasa.gov/13062/",
"page_type": "Produced Video",
"title": "ICESat-2 Por Los Números (en Español)",
"description": "ICESat-2 es un láser espacial de gran precisión que integra la tecnología más puntera de la NASA. Para poder medir la altura del hielo del planeta, los ingenieros deben llevar el instrumento ATLAS de ICESat-2 al extremo: a veces yendo a lo grande, otras a lo pequeño, pero siempre manteniéndolo preciso.ICESat-2 is an incredibly precise space laser that features the latest in NASA technology. To measure ice heights, engineers have to take ICESat-2’s instrument ATLAS to the extreme – sometimes going big, sometimes going small, but always keeping it precise.Click here for English-language versions. || ",
"release_date": "2018-09-10T10:00:00-04:00",
"update_date": "2023-05-03T13:46:28.020054-04:00",
"main_image": {
"id": 409779,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a013000/a013062/12768_300Trillion_YOUTUBE_noaudio-firstframe.png",
"filename": "12768_300Trillion_YOUTUBE_noaudio-firstframe.png",
"media_type": "Image",
"alt_text": "300 trillones.Música: \"Cristal Delight,\" Fred Dubois, Killer TracksTranscripción completa disponible.Watch this video on the NASA Goddard YouTube channel.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
},
{
"id": 12809,
"url": "https://svs.gsfc.nasa.gov/12809/",
"page_type": "Produced Video",
"title": "NASA Scientists Trek the South Pole",
"description": "Music: \"Pizzicato Piece,\" Andrew Michael Britton, David Stephen Goldsmith, Atmosphere Music Ltd.; \"We Learn,\" Andrew Michael Britton, Atmosphere Music Ltd.Complete transcript available. || traverse_print.jpg (1024x575) [145.3 KB] || traverse_searchweb.png (320x180) [87.3 KB] || traverse_thm.png (80x40) [6.3 KB] || 12809_Pre_Antarctic_Traverse_prores.mov (1920x1080) [2.9 GB] || 12809_Pre_Antarctic_Traverse_YOUTUBE.mp4 (1920x1080) [430.5 MB] || 12809_Pre_Antarctic_Traverse_youtube_720.mp4 (1280x720) [391.2 MB] || 12809_Pre_Antarctic_Traverse_TWITTER.mp4 (1280x720) [51.3 MB] || 12809_Antarctic_Traverse_FACEBOOK.mp4 (1920x1080) [261.9 MB] || 12809_Pre_Antarctic_Traverse_prores.webm (1920x1080) [21.5 MB] || 12809_Traverse.en_US.srt [4.5 KB] || 12809_Traverse.en_US.vtt [4.5 KB] || ",
"release_date": "2017-12-14T01:00:00-05:00",
"update_date": "2023-05-03T13:47:06.686239-04:00",
"main_image": {
"id": 408319,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a012800/a012809/traverse_print.jpg",
"filename": "traverse_print.jpg",
"media_type": "Image",
"alt_text": "Music: \"Pizzicato Piece,\" Andrew Michael Britton, David Stephen Goldsmith, Atmosphere Music Ltd.; \"We Learn,\" Andrew Michael Britton, Atmosphere Music Ltd.Complete transcript available.",
"width": 1024,
"height": 575,
"pixels": 588800
}
},
{
"id": 12768,
"url": "https://svs.gsfc.nasa.gov/12768/",
"page_type": "Produced Video",
"title": "ICESat-2 By the Numbers",
"description": "ICESat-2 is an incredibly precise space laser that features the latest in NASA technology To measure ice heights, engineers have to take ICESat-2’s instrument ATLAS to the extreme – sometimes going big, sometimes going small, but always keeping it precise. || ",
"release_date": "2017-11-03T00:00:00-04:00",
"update_date": "2023-11-15T00:22:55.628280-05:00",
"main_image": {
"id": 409659,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a012700/a012768/12768_300Trillion_YOUTUBE_noaudio-firstframe.png",
"filename": "12768_300Trillion_YOUTUBE_noaudio-firstframe.png",
"media_type": "Image",
"alt_text": "Music: \"Cristal Delight,\" Fred Dubois, Killer TracksComplete transcript available.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
}
],
"newer_versions": [],
"older_versions": [],
"alternate_versions": []
}