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    "page_type": "Visualization",
    "title": "Mountain Top Removal and Vegetation change over the Ouachita Mountains from 2006-2010",
    "description": "Humans actively change the Earth's landscape. Some of these changes can be seen from space through careful analysis of satellite data. In this visualization, we fly over the Ouachita Mountains highlighting (in shades of orange and red) large areas of vegetation change and mountain top removal throughout the region. NASA scientists have worked on complex algorithms that allow us to see these changes through time more easily. The data depicted here covers the years 2006-2010. Areas in orange and red are the regions have have sustained the greatest change in this 4 year period. Oranges areas represent older change (closer to 2006) and darker reds are more current (2010). Only areas with greater than 25% tree cover are shown in shades of green. A muted gray-brown color is used for areas with less than 25% tree cover. || ",
    "release_date": "2012-07-23T00:00:00-04:00",
    "update_date": "2023-05-03T13:52:54.028336-04:00",
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        {
            "role": "Animator",
            "people": [
                {
                    "name": "Alex Kekesi",
                    "employer": "Global Science and Technology, Inc."
                },
                {
                    "name": "Greg Shirah",
                    "employer": "NASA/GSFC"
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        {
            "role": "Producer",
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                {
                    "name": "Matthew R. Radcliff",
                    "employer": "USRA"
                },
                {
                    "name": "Alison Schuyler Ogden",
                    "employer": "NASA/GSFC"
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        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Matt C. Hansen",
                    "employer": "University of Maryland"
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    "missions": [
        "Landsat"
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    "datasets": [
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            "name": "Band Combination 5, 4, 3",
            "common_name": "",
            "platform": "Landsat-7",
            "sensor": "ETM+",
            "type": "Other",
            "organizations": [],
            "description": "",
            "credit": "",
            "url": "",
            "date_range": "2006-2010"
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    "nasa_science_categories": [
        "Earth"
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    "keywords": [
        "Deforestation",
        "Earth Science",
        "Habitat Conversion/fragmentation",
        "HDTV",
        "Human Dimensions"
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    "related": [
        {
            "id": 11172,
            "url": "https://svs.gsfc.nasa.gov/11172/",
            "page_type": "Produced Video",
            "title": "Chopping Wood",
            "description": "The southeastern United States is a hotspot for forestry activity. The cyclical harvest and planting of trees on lands dedicated to timber and pulp production result in some of the highest rates of forest change observed in the country. Over the past 40 years scientists have used USGS-NASA Landsat satellite data to detect changes in U.S. forest cover and monitor the impact of clearings on biodiversity and water resources. The color-coded visualization highlights vegetation change from 2006 to 2010 on land located south of the Ouachita Mountains, a mountain range that runs from central Arkansas to southeastern Oklahoma. Red areas represent forests cleared in 2010; orange areas represent clearings that took place around 2006. Land that had more than 25 percent tree cover prior to 2006 is colored green, while areas with less than 25 percent appear gray. || ",
            "release_date": "2013-01-17T00:00:00-05:00",
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                "media_type": "Image",
                "alt_text": "Logging operations in the southeastern U.S. leave a footprint that's visible from space.",
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