{
    "id": 3054,
    "url": "https://svs.gsfc.nasa.gov/3054/",
    "page_type": "Visualization",
    "title": "Jakobshavn Glacial Floe",
    "description": "Jakobshavn Isbrae holds the record as Greenland's fastest moving glacier and major contributor to the mass balance of the continental ice sheet. Starting in late 2000, following a period of slowing down in the mid 1990s, the glacier showed significant acceleration and nearly doubled its discharge of ice. || ",
    "release_date": "2004-12-01T12:00:00-05:00",
    "update_date": "2023-05-03T13:56:31.306754-04:00",
    "main_image": {
        "id": 517614,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_320x240_pre.jpg",
        "filename": "flo_320x240_pre.jpg",
        "media_type": "Image",
        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
        "width": 320,
        "height": 240,
        "pixels": 76800
    },
    "main_video": {
        "id": 517619,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_NTSC.webmhd.webm",
        "filename": "flo_NTSC.webmhd.webm",
        "media_type": "Movie",
        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
        "width": 960,
        "height": 540,
        "pixels": 518400
    },
    "main_credits": {
        "Visualizations by": [
            {
                "name": "Alex Kekesi",
                "employer": "Global Science and Technology, Inc."
            }
        ]
    },
    "progress": "Complete",
    "media_groups": [
        {
            "id": 359919,
            "url": "https://svs.gsfc.nasa.gov/3054/#media_group_359919",
            "widget": "Basic text with HTML",
            "title": "",
            "caption": "",
            "description": "Jakobshavn Isbrae holds the record as Greenland's fastest moving glacier and major contributor to the mass balance of the continental ice sheet. Starting in late 2000, following a period of slowing down in the mid 1990s, the glacier showed significant acceleration and nearly doubled its discharge of ice.",
            "items": [],
            "extra_data": {}
        },
        {
            "id": 359920,
            "url": "https://svs.gsfc.nasa.gov/3054/#media_group_359920",
            "widget": "Video player",
            "title": "",
            "caption": "",
            "description": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
            "items": [
                {
                    "id": 362815,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517618,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_v25.0420.jpg",
                        "filename": "flo_v25.0420.jpg",
                        "media_type": "Image",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 720,
                        "height": 486,
                        "pixels": 349920
                    }
                },
                {
                    "id": 362809,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517613,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_640x480_pre.jpg",
                        "filename": "flo_640x480_pre.jpg",
                        "media_type": "Image",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                },
                {
                    "id": 362810,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517614,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_320x240_pre.jpg",
                        "filename": "flo_320x240_pre.jpg",
                        "media_type": "Image",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                },
                {
                    "id": 362811,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517615,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_320x240_thm.png",
                        "filename": "flo_320x240_thm.png",
                        "media_type": "Image",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 80,
                        "height": 40,
                        "pixels": 3200
                    }
                },
                {
                    "id": 362814,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517617,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_320x240_pre_searchweb.jpg",
                        "filename": "flo_320x240_pre_searchweb.jpg",
                        "media_type": "Image",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 320,
                        "height": 180,
                        "pixels": 57600
                    }
                },
                {
                    "id": 362813,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517619,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_NTSC.webmhd.webm",
                        "filename": "flo_NTSC.webmhd.webm",
                        "media_type": "Movie",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 960,
                        "height": 540,
                        "pixels": 518400
                    }
                },
                {
                    "id": 362805,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517609,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/frames/720x486_4x3_30p/",
                        "filename": "720x486_4x3_30p",
                        "media_type": "Frames",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 720,
                        "height": 486,
                        "pixels": 349920
                    }
                },
                {
                    "id": 362806,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517610,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_640x480.mpg",
                        "filename": "flo_640x480.mpg",
                        "media_type": "Movie",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 640,
                        "height": 480,
                        "pixels": 307200
                    }
                },
                {
                    "id": 362807,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517611,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_NTSC.m2v",
                        "filename": "flo_NTSC.m2v",
                        "media_type": "Movie",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 362812,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517616,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/a003054_flo_NTSC.mp4",
                        "filename": "a003054_flo_NTSC.mp4",
                        "media_type": "Movie",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 640,
                        "height": 480,
                        "pixels": 307200
                    }
                },
                {
                    "id": 362808,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 517612,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003000/a003054/flo_320x240.mpg",
                        "filename": "flo_320x240.mpg",
                        "media_type": "Movie",
                        "alt_text": "As the Jakobshavn Glacier discharges ice from its mouth, tributary ice streams show signs of acceleration. This series of Landsat images from 2002 shows rapid migration of ice features downstream, triggering adjacent land ice to accelerate downslope.  A sequence of 7 Landsat images cycles at the end of the animation repeatedly to better see the flow.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 359921,
            "url": "https://svs.gsfc.nasa.gov/3054/#media_group_359921",
            "widget": "Basic text",
            "title": "For More Information",
            "caption": "",
            "description": "See [http://www.nasa.gov/home/hqnews/2004/dec/HQ_m04192_glacier_ice.html](http://www.nasa.gov/home/hqnews/2004/dec/HQ_m04192_glacier_ice.html)",
            "items": [],
            "extra_data": {}
        }
    ],
    "studio": "svs",
    "funding_sources": [
        "EAP"
    ],
    "credits": [
        {
            "role": "Animator",
            "people": [
                {
                    "name": "Alex Kekesi",
                    "employer": "Global Science and Technology, Inc."
                },
                {
                    "name": "Horace Mitchell",
                    "employer": "NASA/GSFC"
                }
            ]
        },
        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Waleed Abdalati",
                    "employer": "NASA/HQ"
                }
            ]
        },
        {
            "role": "Writer",
            "people": [
                {
                    "name": "Sarah DeWitt",
                    "employer": "NASA/GSFC"
                }
            ]
        }
    ],
    "missions": [
        "Landsat"
    ],
    "series": [
        "AGU 2004",
        "Greenland"
    ],
    "tapes": [],
    "papers": [
        "Nature, Volume 432, 2 December 2004, pp. 608-610",
        "Nature, Volume 432, 2 December 2004, pp. 608-610"
    ],
    "datasets": [
        {
            "name": "Band Combination 3-2-1",
            "common_name": "",
            "platform": "Landsat-7",
            "sensor": "ETM+",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "",
            "url": "http://landsat.gsfc.nasa.gov/about/wrs.html",
            "date_range": "3/4/2002, 3/29/2002, 4/28/2002, 5/23/2002, 6/17/2002, 7/1/2002, 9/3/2002"
        }
    ],
    "nasa_science_categories": [
        "Earth"
    ],
    "keywords": [
        "Cryosphere",
        "Earth Science",
        "For Educators",
        "Geomorphic Landforms/processes",
        "Glacial Processes",
        "Glacier Motion/Ice Sheet Motion",
        "Glaciers/Ice Sheets",
        "Greenland",
        "Ice Motion",
        "Jakobshavn",
        "Landform Change",
        "Location",
        "Snow Melt",
        "Snow/Ice",
        "Solid Earth"
    ],
    "recommended_pages": [],
    "related": [],
    "sources": [],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}