{
    "id": 2179,
    "url": "https://svs.gsfc.nasa.gov/2179/",
    "page_type": "Visualization",
    "title": "Impervious Surface Cover: Close Up of DC",
    "description": "Here we see an image of the DC area taken with the Landsat satellite on March 27, 1998. For over 26 years, Landsat images have been used to help urban planners understand where growth is taking place and help geographers evaluate how different urban planning programs effect population growth and land use. || ",
    "release_date": "2001-06-12T12:00:00-04:00",
    "update_date": "2023-05-03T13:58:03.262282-04:00",
    "main_image": {
        "id": 532417,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179_pre.jpg",
        "filename": "a002179_pre.jpg",
        "media_type": "Image",
        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
        "width": 320,
        "height": 266,
        "pixels": 85120
    },
    "main_video": {
        "id": 532422,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.webmhd.webm",
        "filename": "a002179.webmhd.webm",
        "media_type": "Movie",
        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
        "width": 960,
        "height": 540,
        "pixels": 518400
    },
    "main_credits": {
        "Visualizations by": [
            {
                "name": "Stuart A. Snodgrass",
                "employer": "Global Science and Technology, Inc."
            }
        ]
    },
    "progress": "Complete",
    "media_groups": [
        {
            "id": 364363,
            "url": "https://svs.gsfc.nasa.gov/2179/#media_group_364363",
            "widget": "Basic text with HTML",
            "title": "",
            "caption": "",
            "description": "Here we see an image of the DC area taken with the Landsat satellite on March 27, 1998. For over 26 years, Landsat images have been used to help urban planners understand where growth is taking place and help geographers evaluate how different urban planning programs effect population growth and land use.",
            "items": [],
            "extra_data": {}
        },
        {
            "id": 364364,
            "url": "https://svs.gsfc.nasa.gov/2179/#media_group_364364",
            "widget": "Video player",
            "title": "",
            "caption": "",
            "description": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
            "items": [
                {
                    "id": 377619,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532420,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.00005_print.png",
                        "filename": "a002179.00005_print.png",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 377614,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532416,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179_thm.png",
                        "filename": "a002179_thm.png",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 80,
                        "height": 40,
                        "pixels": 3200
                    }
                },
                {
                    "id": 377615,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532417,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179_pre.jpg",
                        "filename": "a002179_pre.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 320,
                        "height": 266,
                        "pixels": 85120
                    }
                },
                {
                    "id": 377620,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532421,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179_pre_searchweb.jpg",
                        "filename": "a002179_pre_searchweb.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 320,
                        "height": 180,
                        "pixels": 57600
                    }
                },
                {
                    "id": 377618,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532422,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.webmhd.webm",
                        "filename": "a002179.webmhd.webm",
                        "media_type": "Movie",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 960,
                        "height": 540,
                        "pixels": 518400
                    }
                },
                {
                    "id": 377616,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532418,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.dv",
                        "filename": "a002179.dv",
                        "media_type": "Movie",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 377617,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532419,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.mp4",
                        "filename": "a002179.mp4",
                        "media_type": "Movie",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 640,
                        "height": 480,
                        "pixels": 307200
                    }
                },
                {
                    "id": 377613,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532415,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/a002179.mpg",
                        "filename": "a002179.mpg",
                        "media_type": "Movie",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 364365,
            "url": "https://svs.gsfc.nasa.gov/2179/#media_group_364365",
            "widget": "Single image",
            "title": "",
            "caption": "",
            "description": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
            "items": [
                {
                    "id": 377623,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532425,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_false.jpg",
                        "filename": "dc_false.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 2560,
                        "height": 1920,
                        "pixels": 4915200
                    }
                },
                {
                    "id": 377622,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532424,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_false_web.jpg",
                        "filename": "dc_false_web.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                },
                {
                    "id": 377621,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532423,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_false.tif",
                        "filename": "dc_false.tif",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 2560,
                        "height": 1920,
                        "pixels": 4915200
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 364366,
            "url": "https://svs.gsfc.nasa.gov/2179/#media_group_364366",
            "widget": "Single image",
            "title": "",
            "caption": "",
            "description": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
            "items": [
                {
                    "id": 377626,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532428,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_true.jpg",
                        "filename": "dc_true.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 2560,
                        "height": 1920,
                        "pixels": 4915200
                    }
                },
                {
                    "id": 377625,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532427,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_true_web.jpg",
                        "filename": "dc_true_web.jpg",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 320,
                        "height": 240,
                        "pixels": 76800
                    }
                },
                {
                    "id": 377624,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 532426,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a002100/a002179/dc_true.tif",
                        "filename": "dc_true.tif",
                        "media_type": "Image",
                        "alt_text": "Here we see an image of the DC area taken with the\nLandsat satellite on March 27, 1998.",
                        "width": 2560,
                        "height": 1920,
                        "pixels": 4915200
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 364367,
            "url": "https://svs.gsfc.nasa.gov/2179/#media_group_364367",
            "widget": "Basic text",
            "title": "For More Information",
            "caption": "",
            "description": "See [http://www.gsfc.nasa.gov/gsfc/earth/landsat/sprawl.htm](http://www.gsfc.nasa.gov/gsfc/earth/landsat/sprawl.htm)",
            "items": [],
            "extra_data": {}
        }
    ],
    "studio": "svs",
    "funding_sources": [
        "ESE Informal Education"
    ],
    "credits": [
        {
            "role": "Animator",
            "people": [
                {
                    "name": "Stuart A. Snodgrass",
                    "employer": "Global Science and Technology, Inc."
                }
            ]
        },
        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Andrew Smith",
                    "employer": "University of Maryland"
                }
            ]
        }
    ],
    "missions": [
        "Landsat"
    ],
    "series": [
        "Urban Surface Cover"
    ],
    "tapes": [],
    "papers": [],
    "datasets": [
        {
            "name": "",
            "common_name": "",
            "platform": "Landsat-7",
            "sensor": "ETM+",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "",
            "url": "http://landsat.gsfc.nasa.gov/about/wrs.html",
            "date_range": "1998/03/27"
        }
    ],
    "nasa_science_categories": [
        "Earth"
    ],
    "keywords": [
        "Earth Science",
        "Ecology",
        "Environmental science",
        "Habitat Conversion/fragmentation",
        "Human Dimensions",
        "Human geography",
        "Impervious",
        "Urbanization/urban Sprawl",
        "Washington DC"
    ],
    "recommended_pages": [],
    "related": [],
    "sources": [],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}