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"description": "Satellite-based passive microwave images of the sea ice have provided a reliable tool for continuously monitoring changes in the Arctic ice since 1979. Every summer the Arctic ice cap melts down to what scientists call its \"minimum\" before colder weather begins to cause ice cover to increase. An analysis of satellite data by NASA and the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder shows that the 2023 minimum extent, which was likely reached on Sept. 19, measured 1.63 million square miles (4.23 million square kilometers). This is the 6th lowest measured sea ice extent for the arctic on record.
The Japan Aerospace Exploration Agency (JAXA) provides many water-related products derived from data acquired by the Advanced Microwave Scanning Radiometer 2 (AMSR2) instrument aboard the Global Change Observation Mission 1st-Water \"SHIZUKU\" (GCOM-W1) satellite. Two JAXA datasets used in this animation are the 10-km daily sea ice concentration and the 10 km daily 89 GHz Brightness Temperature.
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"page_type": "Visualization",
"title": "Arctic Sea Ice Minimum 2019",
"description": "Arctic Sea Ice Minimum 2019, Animation || minimum_2019.1409_print.jpg (1024x576) [130.4 KB] || minimum_2019.1409_searchweb.png (320x180) [85.2 KB] || minimum_2019.1409_thm.png (80x40) [6.7 KB] || minimum_2019_1080p30.mp4 (1920x1080) [34.7 MB] || full (1920x1080) [0 Item(s)] || minimum_2019_1080p30.webm (1920x1080) [6.3 MB] || minimum_2019_1080p30.mp4.hwshow [186 bytes] || ",
"release_date": "2019-09-23T13:00:00-04:00",
"update_date": "2025-01-06T00:15:03.680216-05:00",
"main_image": {
"id": 392552,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004757/minimum_2019.1409_print.jpg",
"filename": "minimum_2019.1409_print.jpg",
"media_type": "Image",
"alt_text": "Arctic Sea Ice Minimum 2019, Animation",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 4684,
"url": "https://svs.gsfc.nasa.gov/4684/",
"page_type": "Visualization",
"title": "AMSR2 2018 Minimum Arctic Sea Ice Extent",
"description": "Animation of Maximum to Minimum Arctic Sea Ice Extent, 2018, with 30-Year Average || sea_ice_min_2018.01599_print.jpg (1024x576) [126.0 KB] || sea_ice_min_2018.01599_searchweb.png (320x180) [84.9 KB] || sea_ice_min_2018.01599_web.png (320x180) [84.9 KB] || sea_ice_exent_w_avg (1920x1080) [128.0 KB] || sea_ice_min_2018_1080p30.mp4 (1920x1080) [30.8 MB] || sea_ice_min_2018_1080p30.webm (1920x1080) [6.3 MB] || ",
"release_date": "2018-09-27T11:00:00-04:00",
"update_date": "2023-05-03T13:46:24.738689-04:00",
"main_image": {
"id": 399878,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004600/a004684/sea_ice_min_2018.01599_print.jpg",
"filename": "sea_ice_min_2018.01599_print.jpg",
"media_type": "Image",
"alt_text": "Animation of Maximum to Minimum Arctic Sea Ice Extent, 2018, with 30-Year Average",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 4592,
"url": "https://svs.gsfc.nasa.gov/4592/",
"page_type": "Visualization",
"title": "Annual Arctic Sea Ice Minimum 1979-2017 (SSMI data)",
"description": "The annual minimum Arctic sea ice from 1979-2017. || seaIce_framePerYear_HD.2017_print.jpg (1024x576) [141.0 KB] || seaIce_framePerYear_HD.2017_searchweb.png (320x180) [88.9 KB] || seaIce_framePerYear_HD.2017_thm.png (80x40) [6.3 KB] || nodates (1920x1080) [0 Item(s)] || no_dates_20fps (1920x1080) [0 Item(s)] || nodates_seaIce_20framesPerYear_HD_1080p30.mp4 (1920x1080) [14.3 MB] || nodates_seaIce_20framesPerYear_HD_1080p30.webm (1920x1080) [1.5 MB] || ",
"release_date": "2017-10-16T00:00:00-04:00",
"update_date": "2023-05-03T13:47:17.902250-04:00",
"main_image": {
"id": 410112,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004500/a004592/seaIce_framePerYear_HD.2017_print.jpg",
"filename": "seaIce_framePerYear_HD.2017_print.jpg",
"media_type": "Image",
"alt_text": "The annual minimum Arctic sea ice from 1979-2017.",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 4562,
"url": "https://svs.gsfc.nasa.gov/4562/",
"page_type": "Visualization",
"title": "Minimum Antarctic Sea Ice 2017",
"description": "This movie begins at the 2016 Antarctic maximum on August 31, 2016 and shows daily sea ice concentration until the Antarctic minimum on March 3, 2017. The 2017 minimum had only 2.1 million square kilometers of sea ice extent below the previous lowest minimum extext in the satellite record that occurred in 1997. || SouthPoleSeaIce_max_min.3591_print.jpg (1024x576) [44.1 KB] || SouthPoleSeaIce_max_min.3591_searchweb.png (320x180) [39.9 KB] || SouthPoleSeaIce_max_min.3591_thm.png (80x40) [4.1 KB] || SouthPoleSeaIce_max_min.3591.tif (1920x1080) [1.5 MB] || SouthPole_Max_Min_1080p30.mp4 (1920x1080) [19.9 MB] || 1920x1080_16x9_30p (1920x1080) [0 Item(s)] || SouthPole_Max_Min_1080p30.webm (1920x1080) [4.7 MB] || SouthPole_Max_Min_1080p30.mp4.hwshow [191 bytes] || ",
"release_date": "2017-03-22T12:00:00-04:00",
"update_date": "2025-01-05T23:19:55.713356-05:00",
"main_image": {
"id": 415426,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004500/a004562/SouthPoleSeaIce_max_min.3591_print.jpg",
"filename": "SouthPoleSeaIce_max_min.3591_print.jpg",
"media_type": "Image",
"alt_text": "This movie begins at the 2016 Antarctic maximum on August 31, 2016 and shows daily sea ice concentration until the Antarctic minimum on March 3, 2017. The 2017 minimum had only 2.1 million square kilometers of sea ice extent below the previous lowest minimum extext in the satellite record that occurred in 1997.",
"width": 1024,
"height": 576,
"pixels": 589824
}
}
],
"alternate_versions": []
}