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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. The extent of Arctic sea ice at the end of this summer was effectively tied with 2007 and 2016 for second lowest since satellite monitoring began. 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 2019 minimum extent, which was likely reached on Sept. 18, measured 1.60 million square miles (4.15 million square kilometers).<br><br>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.<br><br>In this animation, the daily Arctic sea ice and seasonal land cover change progress through time, from the yearly maximum ice extent on March 13, 2019, through its minimum on September 18, 2019. Over the water, Arctic sea ice changes from day to day showing a running 3-day minimum sea ice concentration in the region where the concentration is greater than 15%. The blueish white color of the sea ice is derived from a 3-day running minimum of the AMSR2 89 GHz brightness temperature. Over the terrain, monthly data from the seasonal Blue Marble Next Generation fades slowly from month to month.",
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            "title": "Arctic Sea Ice Minimum 2020",
            "description": "Animation of Arctic sea ice extent from the Mar. 5, 2020 maximum to the Sept. 15, 2020 minimum, 30-year average extents in yellow || arctic_sea_ice_min_2020.1410_print.jpg (1024x576) [135.2 KB] || arctic_sea_ice_min_2020.1410_print_searchweb.png (320x180) [72.1 KB] || arctic_sea_ice_min_2020.1410_print_thm.png (80x40) [6.3 KB] || yellow_average (1920x1080) [0 Item(s)] || arctic_sea_ice_min_2020_1080p30_y.mp4 (1920x1080) [29.3 MB] || arctic_sea_ice_min_2020_1080p30_y.webm (1920x1080) [6.3 MB] || ",
            "release_date": "2020-09-21T13:20:00-04:00",
            "update_date": "2025-01-06T00:18:33.466287-05:00",
            "main_image": {
                "id": 382267,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004860/arctic_sea_ice_min_2020.1410_print.jpg",
                "filename": "arctic_sea_ice_min_2020.1410_print.jpg",
                "media_type": "Image",
                "alt_text": "Animation of Arctic sea ice extent from the Mar. 5, 2020 maximum to the Sept. 15, 2020 minimum, 30-year average extents in yellow",
                "width": 1024,
                "height": 576,
                "pixels": 589824
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}