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}, { "id": 4878, "url": "https://svs.gsfc.nasa.gov/4878/", "result_type": "Visualization", "release_date": "2021-03-30T11:00:00-04:00", "title": "Arctic Sea Ice Maximum 2021", "description": "2021 Arctic Sea Ice Maximum Extent, Animation, With Dates || sea_ice_2021_max_4k.2200_print.jpg (1024x576) [127.2 KB] || sea_ice_2021_max_4k.2200_searchweb.png (320x180) [73.9 KB] || sea_ice_2021_max_4k.2200_thm.png (80x40) [6.1 KB] || w_dates (3840x2160) [0 Item(s)] || sea_ice_2021_max_4k_2160p60.webm (3840x2160) [30.7 MB] || sea_ice_2021_max_4k_2160p60.mp4 (3840x2160) [116.7 MB] || sea_ice_2021_max_4k_2160p30.mp4 (3840x2160) [104.6 MB] || ", "hits": 37 }, { "id": 13723, "url": "https://svs.gsfc.nasa.gov/13723/", "result_type": "Produced Video", "release_date": "2020-09-22T11:00:00-04:00", "title": "Arctic Greening Driven by Warmer Temperatures", "description": "Data from NASA/USGS Landsat satellites show that during 1985-2016, vegetation in the arctic tundra showed a 38% increase in greenness – representing plants growing more, becoming denser, and/or shrubs encroaching on typical tundra grasses and moss.Complete transcript available.Music: The Rework, by Josslin Bordat [SACEM], published by Koka Media [SACEM], available from Universal Production Music || 13723_ArcticGreening-468.jpg (1421x800) [140.8 KB] || 13723_ArcticGreening-468_searchweb.png (320x180) [87.7 KB] || 13723_ArcticGreening-468_thm.png (80x40) [11.2 KB] || 13723_ArcticGreening-v2.mp4 (1920x1080) [110.1 MB] || 13723_ArcticGreening-v2-twitter.mp4 (1920x1080) [34.0 MB] || 13723_ArcticGreening-v2.webm (1920x1080) [12.0 MB] || 13723_ArcticGreening-v2.en_US.srt [2.0 KB] || 13723_ArcticGreening-v2.en_US.vtt [2.0 KB] || ", "hits": 68 }, { "id": 13722, "url": "https://svs.gsfc.nasa.gov/13722/", "result_type": "Produced Video", "release_date": "2020-09-21T13:00:00-04:00", "title": "NASA Sees High Temperatures, Wildfires, and Annual Sea Ice Minimum Extent in Warming Arctic", "description": "Music: Curves Ahead by Donn Wilkerson [BMI] and Genetic Analyzer by Le Fat Club [SACEM]Complete transcript available. || Sea_Ice_Thumbnail.jpg (1920x1080) [550.9 KB] || Sea_Ice_Thumbnail_searchweb.png (320x180) [93.9 KB] || Sea_Ice_Thumbnail_thm.png (80x40) [9.2 KB] || Arctic_Sea_Ice_FINAL.mp4 (1920x1080) [741.6 MB] || Arctic_Sea_Ice_FINAL.webm (1920x1080) [41.5 MB] || ArcticSeaIce2020.en_US.srt [6.9 KB] || ArcticSeaIce2020.en_US.vtt [6.9 KB] || ", "hits": 40 }, { "id": 4811, "url": "https://svs.gsfc.nasa.gov/4811/", "result_type": "Visualization", "release_date": "2020-03-21T00:00:00-04:00", "title": "Arctic Sea Ice Maximum 2020", "description": "Arctic Sea Ice Maximum Extent 2020, With Labels || sea_ice_max_2020_w_caption_print.jpg (1024x576) [199.5 KB] || sea_ice_max_2020_w_caption.jpg (5760x3240) [2.1 MB] || sea_ice_max_2020_w_caption_searchweb.png (320x180) [88.9 KB] || sea_ice_max_2020_w_caption_web.png (320x180) [88.9 KB] || sea_ice_max_2020_w_caption_thm.png (80x40) [6.7 KB] || ", "hits": 93 }, { "id": 13167, "url": "https://svs.gsfc.nasa.gov/13167/", "result_type": "Produced Video", "release_date": "2019-05-07T15:00:00-04:00", "title": "VISIONS-2 Aurora Imagery", "description": "Aurora in Ny-Ålesund, Svalbard on December 6, 2018. A GIF optimized for Twitter. || Aurora.gif (1920x1080) [13.3 MB] || Aurora in Ny-Ålesund, Svalbard on December 6, 2018.Credit: NASA/Joy Ng || Dec6_Aurora_JoyNg_print.jpg (1024x682) [455.2 KB] || Dec6_Aurora_JoyNg.jpg (4104x2736) [4.6 MB] || Dec6_Aurora_JoyNg_searchweb.png (320x180) [67.8 KB] || Dec6_Aurora_JoyNg_web.png (320x213) [82.2 KB] || Dec6_Aurora_JoyNg_thm.png (80x40) [4.6 KB] || ", "hits": 127 }, { "id": 4723, "url": "https://svs.gsfc.nasa.gov/4723/", "result_type": "Visualization", "release_date": "2019-03-20T13:00:00-04:00", "title": "Arctic Sea Ice Maximum 2019", "description": "Animation of Arctic sea ice extent between its minimum on September 23, 2018 and its maximum on March 13, 2019. || maximum.1500_print.jpg (1024x576) [109.7 KB] || maximum.1500_searchweb.png (320x180) [82.0 KB] || maximum.1500_thm.png (80x40) [6.5 KB] || full (1920x1080) [0 Item(s)] || maximum_1080p30.mp4 (1920x1080) [31.6 MB] || maximum_1080p30.webm (1920x1080) [6.3 MB] || maximum_1080p30.mp4.hwshow [181 bytes] || ", "hits": 40 }, { "id": 12898, "url": "https://svs.gsfc.nasa.gov/12898/", "result_type": "Produced Video", "release_date": "2018-03-23T13:00:00-04:00", "title": "Arctic Sea Ice Continues a Trend of Shrinking Maximum Extents", "description": "Dr. Claire Parkinson explains how and why NASA studies Arctic sea ice.Music: Children's Carousel by Maxi Schulze [GEMA], Moritz Limmer [GEMA]Complete transcript available. || 12898_SeaIce_Max18_FINAL_large.00001_print.jpg (1024x576) [163.4 KB] || 12898_SeaIce_Max18_FINAL_large.00001_searchweb.png (320x180) [92.5 KB] || 12898_SeaIce_Max18_FINAL_large.00001_thm.png (80x40) [6.9 KB] || FACEBOOK_720_12898_SeaIce_Max18_FINAL_facebook_720.mp4 (1280x720) [287.5 MB] || NASA_TV_12898_SeaIce_Max18_FINAL.mpeg (1280x720) [827.8 MB] || YOUTUBE_1080_12898_SeaIce_Max18_FINAL_youtube_1080.mp4 (1920x1080) [387.4 MB] || 12898_SeaIce_Max18_FINAL_appletv.m4v (1280x720) [131.1 MB] || 12898_SeaIce_Max18_FINAL_large.mp4 (1920x1080) [138.0 MB] || 12898_SeaIce_Max18_FINAL.webm (960x540) [98.5 MB] || 12898_SeaIce_Max18_FINAL_appletv_subtitles.m4v (1280x720) [131.2 MB] || SeaIce_Max18.en_US.srt [4.1 KB] || SeaIce_Max18.en_US.vtt [4.1 KB] || 12898_SeaIce_Max18_FINAL_ipod_sm.mp4 (320x240) [42.3 MB] || ", "hits": 130 }, { "id": 11779, "url": "https://svs.gsfc.nasa.gov/11779/", "result_type": "Produced Video", "release_date": "2015-02-16T16:00:00-05:00", "title": "Landsat 8 Crosses the Arctic", "description": "The Operational Land Imager (OLI) on Landsat 8 acquired this unbroken swath of images on June 21, 2014—the summer solstice—when the Sun stays above the horizon of the Arctic for at least 24 hours. While much of the region is still frozen in June, the ice is in various stages of melting.For complete transcript, click here.Watch this video on the NASA Earth Observatory YouTube channel.Music: Thin Ice Mining by Chris Constantinou [PRS], Paul Frazer [PRS] Melting Glacier by Chris Constantinou [PRS], Paul Frazer [PRS] Undiscovered Oceans by Aaron Yeddidia [BMI], Chris Lang [BMI], Eric Cunningham [BMI] Another Sleep by Chris Constantinou [PRS], Paul Frazer [PRS] || G2015-015_Arctic_Swath_MASTER_youtube_hq_print.jpg (1024x576) [110.7 KB] || G2015-015_Arctic_Swath_MASTER_youtube_hq_searchweb.png (320x180) [71.0 KB] || G2015-015_Arctic_Swath_MASTER_youtube_hq_web.png (320x180) [71.0 KB] || G2015-015_Arctic_Swath_MASTER_youtube_hq_thm.png (80x40) [6.1 KB] || G2015-015_Arctic_Swath_MASTER_youtube_hq.mov (1920x1080) [411.2 MB] || G2015-015_Arctic_Swath_MASTER_appletv.m4v (960x540) [122.8 MB] || G2015-015_Arctic_Swath_MASTER_1280x720.wmv (1280x720) [144.3 MB] || G2015-015_Arctic_Swath_MASTER_prores.mov (1280x720) [4.2 GB] || G2015-015_Arctic_Swath_MASTER_appletv.webm (960x540) [33.2 MB] || G2015-015_Arctic_Swath_MASTER_appletv_subtitles.m4v (960x540) [122.7 MB] || G2015-015_Arctic_Swath_MASTER_ipod_lg.m4v (640x360) [49.2 MB] || G2015-015_Arctic_Swath_MASTER_nasaportal.mov (640x360) [121.2 MB] || G2015-015_Arctic_Swath-caption.en_US.srt [145 bytes] || G2015-015_Arctic_Swath-caption.en_US.vtt [158 bytes] || G2015-015_Arctic_Swath_MASTER_ipod_sm.mp4 (320x240) [26.7 MB] || ", "hits": 67 }, { "id": 3631, "url": "https://svs.gsfc.nasa.gov/3631/", "result_type": "Visualization", "release_date": "2009-09-07T00:00:00-04:00", "title": "Daily Arctic Sea Ice - Summer 2009", "description": "Sea ice is frozen seawater floating on the surface of the ocean. Some sea ice is semi-permanent, persisting from year to year, and some is seasonal, melting and refreezing from season to season. The sea ice cover reaches its minimum extent at the end of each summer and the remaining ice is called the perennial ice cover.Duing the summer of 2009, the arctic sea ice reached its minimum extent on September 12th. The 2009 minimum extent was the third lowest extent measured since the beginning of the satellite record in 1979. This animation shows the summer retreat of sea ice over the Arctic from 7/1/2009 through 9/12/2009. The sea ice was defined by a 3-day moving average of the AMSR-E 12.5 km sea ice concentration, showing the region where the sea ice concentration was greater than 15%. The false color of the sea ice was derived from the AMSR-E 6.25 km brightness temperature. || ", "hits": 12 }, { "id": 3579, "url": "https://svs.gsfc.nasa.gov/3579/", "result_type": "Visualization", "release_date": "2009-02-05T00:00:00-05:00", "title": "Sea Ice over the Arctic and Antarctic designed for Science On a Sphere (SOS) and WMS", "description": "Sea ice is frozen seawater floating on the surface of the ocean, typically averaging a few meters in thickness. Some sea ice is semi-permanent, persisting from year to year, and some is seasonal, melting and refreezing from season to season. This animation shows how the seasonal global sea ice has changed from day to day since 2002, when the Aqua satellite was launched. The AMSR-E instrument on the Aqua satellite acquires high resolution measurements of the 89 GHz brightness temperature and sea ice concentration near the poles. This sensor is able to observe the entire polar region every day, even through clouds and snowfall, because it is not very sensitive to atmospheric effects. The false color of the sea ice, derived from the AMSR-E 6.25 km 89 GHz brightness temperature, highlights the fissures or divergence areas in the sea ice cover by warm brightness temperatures (in blue) while cold brightness temperatures, shown in brighter white, represent consolidated sea ice. The sea ice edge identifies areas containing at least 15% ice concentration in the three-day moving average of the AMSR-E 12.5 km sea ice concentration data.This sequence shows the daily global sea ice over both the Arctic and Antarctic on a Cartesian grid from June 21, 2002 through December 31, 2008 at a frame rate of four frames per day. On days when data is not available, the prior or following day's data is used. Periods when data was absent for several consecutive days include: 2002/07/29 through 2002/08/08, 2002/09/11 through 2002/09/20, and 2003/10/29 through 2003/11/03. || ", "hits": 28 }, { "id": 3563, "url": "https://svs.gsfc.nasa.gov/3563/", "result_type": "Visualization", "release_date": "2008-10-29T00:00:00-04:00", "title": "Sea Ice Yearly Minimum with Graph Overlay 1979-2008", "description": "The continued significant reduction in the extent of the summer sea ice cover is a dramatic illustration of the pronounced impact increased global temperatures are having on the Arctic regions. There has also been a significant reduction in the relative amount of older, thicker ice. Satellite-based passive microwave images of the sea ice cover have provided a reliable tool for continuously monitoring changes in the extent of the Arctic ice cover since 1979. The ice parameters derived from satellite ice concentration data that are most relevant to climate change studies are sea ice extent and ice area. This visualization shows ice extent in the background and ice area in the foreground. Ice extent is defined here as the integrated sum of the areas of data elements (pixels) with at least 15% ice concentration while ice area is the integrated sum of the products of the area of each pixel and the corresponding ice concentration. Ice extent provides information about how far south (or north) the ice extends in winter and how far north (or south) it retreats toward the continent in the summer while the ice area provides the total area actually covered by sea ice which is useful for estimating the total volume and therefore mass, given the average ice thickness. For more information about these ice datasets, see The Journal of Geophysical Research VOL. 113, C02S07, doi:10.1029/2007JC004257, 2008 || ", "hits": 40 }, { "id": 3564, "url": "https://svs.gsfc.nasa.gov/3564/", "result_type": "Visualization", "release_date": "2008-01-06T00:00:00-05:00", "title": "Sea Ice over the Arctic and Antarctic designed for Science On a Sphere (SOS) and WMS", "description": "Sea ice is frozen seawater floating on the surface of the ocean, typically averaging a few meters in thickness. Some sea ice is semi-permanent, persisting from year to year, and some is seasonal, melting and refreezing from season to season. This animation shows how the seasonal global sea ice has changed from day to day in both the northern and southern hemisphere since 2002, when the Aqua satellite was launched.This series shows the daily global sea ice over both the Arctic and Antarctic from June 21, 2002 through September 22, 2008. Global data from the AMSR-E instrument on the Aqua satellite is shown on a Cartesian grid. The sea ice extent is derived from the daily AMSR-E 12.5 km sea ice concentration where the ice concentration is above 15%. || ", "hits": 25 }, { "id": 2981, "url": "https://svs.gsfc.nasa.gov/2981/", "result_type": "Visualization", "release_date": "2004-09-25T12:00:00-04:00", "title": "Global Daily Snow and Sea Ice Surface Temperature", "description": "This animation shows the global advance and retreat of daily snow cover along with daily sea ice surface temperature over the Northern Hemisphere from September 2002 through May 2003. The snow cover was measured by the MODIS instrument on the Terra satellite, while the sea ice surface temperature was measured by the MODIS instrument on the Aqua satellite. Since these instruments cannot take measurements through clouds, in cloud-covered regions or areas with suspect data quality, the prior day's value is retained until a valid data reading is obtained. This visualization designates an area as covered by snow when the instrument takes a valid measurement showing greater than ~50% snow coverage in that area. This area is assumed to be snow covered until the instrument takes a valid measurement showing less than 40% snow coverage in that same area. A color bar indicates the sea ice surface temperature values. The satellite instruments are unable to collect data through darkness. The region in polar darkness is shown as a gray cap over the pole that grows and shrinks seasonally. A date slider indicates the progression of time. SeaWiFS Land Reflectance shows the seasonal changes in land cover. || ", "hits": 17 }, { "id": 2982, "url": "https://svs.gsfc.nasa.gov/2982/", "result_type": "Visualization", "release_date": "2004-09-25T12:00:00-04:00", "title": "Daily Snow and Sea Ice Temperature over the North Pole", "description": "This animation shows the global advance and retreat of daily snow cover along with daily sea ice surface temperature over the Northern Hemisphere from September 2002 through May 2003. The snow cover was measured by the MODIS instrument on the Terra satellite, while the sea ice surface temperature was measured by the MODIS instrument on the Aqua satellite. Since these instruments cannot take measurements through clouds, in cloud-covered regions or areas with suspect data quality, the prior day's value is retained until a valid data reading is obtained. This visualization designates an area as covered by snow when the instrument takes a valid measurement showing greater than ~50% snow coverage in that area. This area is assumed to be snow covered until the instrument takes a valid measurement showing less than 40% snow coverage in that same area. A color bar indicates the sea ice surface temperature values. The satellite instruments are unable to collect data through darkness. The region in polar darkness is shown as a gray cap over the pole that grows and shrinks seasonally. A date slider indicates the progression of time. SeaWiFS Land Reflectance shows the seasonal changes in land cover. || ", "hits": 25 } ] }