{
    "id": 1048,
    "url": "https://svs.gsfc.nasa.gov/1048/",
    "page_type": "Visualization",
    "title": "Urban Growth: The Oregon City Area of Portland, Oregon",
    "description": "Using the Landsat satellite, scientists are able to study the urban sprawl of major cities. Red dots in these images indicate areas of growth between 1986 and 1996. || ",
    "release_date": "2000-02-21T12:00:00-05:00",
    "update_date": "2023-05-03T13:58:33.808895-04:00",
    "main_image": {
        "id": 537806,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_pre.jpg",
        "filename": "a001048_pre.jpg",
        "media_type": "Image",
        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
        "width": 320,
        "height": 242,
        "pixels": 77440
    },
    "main_video": {
        "id": 537811,
        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.webmhd.webm",
        "filename": "a001048.webmhd.webm",
        "media_type": "Movie",
        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
        "width": 960,
        "height": 540,
        "pixels": 518400
    },
    "progress": "Complete",
    "media_groups": [
        {
            "id": 366104,
            "url": "https://svs.gsfc.nasa.gov/1048/#media_group_366104",
            "widget": "Basic text with HTML",
            "title": "",
            "caption": "",
            "description": "Using the Landsat satellite, scientists are able to study the urban sprawl of major cities. Red dots in these images indicate areas of growth between 1986 and 1996.",
            "items": [],
            "extra_data": {}
        },
        {
            "id": 366105,
            "url": "https://svs.gsfc.nasa.gov/1048/#media_group_366105",
            "widget": "Video player",
            "title": "",
            "caption": "",
            "description": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
            "items": [
                {
                    "id": 383008,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537809,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.00005_print.png",
                        "filename": "a001048.00005_print.png",
                        "media_type": "Image",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 383003,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537805,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_thm.png",
                        "filename": "a001048_thm.png",
                        "media_type": "Image",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 80,
                        "height": 40,
                        "pixels": 3200
                    }
                },
                {
                    "id": 383004,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537806,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_pre.jpg",
                        "filename": "a001048_pre.jpg",
                        "media_type": "Image",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 320,
                        "height": 242,
                        "pixels": 77440
                    }
                },
                {
                    "id": 383009,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537810,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_pre_searchweb.jpg",
                        "filename": "a001048_pre_searchweb.jpg",
                        "media_type": "Image",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 320,
                        "height": 180,
                        "pixels": 57600
                    }
                },
                {
                    "id": 383007,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537811,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.webmhd.webm",
                        "filename": "a001048.webmhd.webm",
                        "media_type": "Movie",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 960,
                        "height": 540,
                        "pixels": 518400
                    }
                },
                {
                    "id": 383005,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537807,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.dv",
                        "filename": "a001048.dv",
                        "media_type": "Movie",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 720,
                        "height": 480,
                        "pixels": 345600
                    }
                },
                {
                    "id": 383006,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537808,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.mp4",
                        "filename": "a001048.mp4",
                        "media_type": "Movie",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 640,
                        "height": 480,
                        "pixels": 307200
                    }
                },
                {
                    "id": 383002,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537804,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048.mpg",
                        "filename": "a001048.mpg",
                        "media_type": "Movie",
                        "alt_text": "Starting with a view of the Portland, Oregon, vicinity, we push in to the southern section, viewing a town called Oregon City. Red dots appear showing the areas where growth has occurred between 1986 and 1996.",
                        "width": 352,
                        "height": 240,
                        "pixels": 84480
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 366106,
            "url": "https://svs.gsfc.nasa.gov/1048/#media_group_366106",
            "widget": "Single image",
            "title": "",
            "caption": "",
            "description": "Video slate image reads, \"Portland, Oregon<p>Showing how the Portland boundary contained Urban Growth from 1986 to 1996.<p>Zoom into Oregon City, OR<p>Dr. Jeffrey Masek, Landsat Science Team University of Maryland College Park\".",
            "items": [
                {
                    "id": 383010,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537812,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_slate.jpg",
                        "filename": "a001048_slate.jpg",
                        "media_type": "Image",
                        "alt_text": "Video slate image reads, \"Portland, OregonShowing how the Portland boundary contained Urban Growth from 1986 to 1996.Zoom into Oregon City, ORDr. Jeffrey Masek, Landsat Science Team University of Maryland College Park\".",
                        "width": 720,
                        "height": 528,
                        "pixels": 380160
                    }
                },
                {
                    "id": 383011,
                    "type": "media",
                    "extra_data": null,
                    "title": null,
                    "caption": null,
                    "instance": {
                        "id": 537813,
                        "url": "https://svs.gsfc.nasa.gov/vis/a000000/a001000/a001048/a001048_slate_web.png",
                        "filename": "a001048_slate_web.png",
                        "media_type": "Image",
                        "alt_text": "Video slate image reads, \"Portland, OregonShowing how the Portland boundary contained Urban Growth from 1986 to 1996.Zoom into Oregon City, ORDr. Jeffrey Masek, Landsat Science Team University of Maryland College Park\".",
                        "width": 320,
                        "height": 234,
                        "pixels": 74880
                    }
                }
            ],
            "extra_data": {}
        },
        {
            "id": 366107,
            "url": "https://svs.gsfc.nasa.gov/1048/#media_group_366107",
            "widget": "Basic text",
            "title": "For More Information",
            "caption": "",
            "description": "See [http://svs.gsfc.nasa.gov/stories/AAAS/index.html](http://svs.gsfc.nasa.gov/stories/AAAS/index.html)",
            "items": [],
            "extra_data": {}
        }
    ],
    "studio": "SVS",
    "funding_sources": [
        ""
    ],
    "credits": [
        {
            "role": "Animator",
            "people": [
                {
                    "name": "Stuart A. Snodgrass",
                    "employer": "Global Science and Technology, Inc."
                }
            ]
        },
        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Jeffrey Masek",
                    "employer": "University of Maryland"
                }
            ]
        }
    ],
    "missions": [
        "Landsat"
    ],
    "series": [
        "AAAS"
    ],
    "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": "1986, 1996"
        }
    ],
    "nasa_science_categories": [
        "Earth"
    ],
    "keywords": [
        "Human geography",
        "Portland",
        "Sprawl",
        "Urban"
    ],
    "recommended_pages": [],
    "related": [],
    "sources": [],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}