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    "title": "Monitoring Changes in the Chesapeake Bay Watershed",
    "description": "Landsat is a critical and invaluable tool for characterizing the landscape and mapping it over time. Landsat data provides a baseline of observations for science about how human activities on the land affect water quality, affect wildlife habitat, affect air quality. The satellite imagery covers the entire 64,000 square miles of the Chesapeake Bay watershed (spanning six states and the District of Columbia). Without it we wouldn't be able to really understand how sources of nutrients and sediment have changed and where they are in the Chesapeake Bay. The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey. The narration in this video is by Peter Claggett, a research geographer with the U.S. Geological Survey's Eastern Geographic Science Center. He has worked at the Chesapeake Bay Program Office since 2002, where he leads the Land Data Team that conducts research on land change characterization, analysis, and modeling in the Chesapeake Bay Watershed. The audio was adapted from a radio interview with EarthSky.org. || ",
    "release_date": "2013-01-31T16:00:00-05:00",
    "update_date": "2024-10-10T00:16:09.846366-04:00",
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        "alt_text": "Landsat imagery is critical for monitoring changes in developed area, tree canopy, farm fields, and all the landscapes that make up the 64,000 square miles of the Chesapeake Bay watershed, spanning six states and the District of Columbia.For complete transcript, click here.Watch this video on the NASA Goddard YouTube channel.",
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            "description": "Landsat is a critical and invaluable tool for characterizing the landscape and mapping it over time. Landsat data provides a baseline of observations for science about how human activities on the land affect water quality, affect wildlife habitat, affect air quality. The satellite imagery covers the entire 64,000 square miles of the Chesapeake Bay watershed (spanning six states and the District of Columbia). Without it we wouldn't be able to really understand how sources of nutrients and sediment have changed and where they are in the Chesapeake Bay. <p><p>The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey. <p><p>The narration in this video is by Peter Claggett, a research geographer with the <a href=\"http://egsc.usgs.gov\">U.S. Geological Survey's Eastern Geographic Science Center</a>. He has worked at the <a href=\"http://www.chesapeakebay.net/\">Chesapeake Bay Program Office</a> since 2002, where he leads the Land Data Team that conducts research on land change characterization, analysis, and modeling in the Chesapeake Bay Watershed. <p><p>The audio was adapted from a radio interview with <a href=\"http://earthsky.org/earth/peter-claggett-sees-change-to-chesapeake-bay-with-landsat\">EarthSky.org</a>.",
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            "description": "Landsat imagery is critical for monitoring changes in developed area, tree canopy, farm fields, and all the landscapes that make up the 64,000 square miles of the Chesapeake Bay watershed, spanning six states and the District of Columbia.<p><p><p>For complete transcript, click <a href=\"/vis/a010000/a011200/a011202/G2013-020_Chesapeake_Flyover_Transcript.html\">here</a>.<p><b>Watch this video on the <a href=\"https://www.youtube.com/watch?v=M2_MrlMPrrM\" target=\"_blank\" >NASA Goddard YouTube channel</a>.</b><p>",
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            "description": "See [http://landsat.gsfc.nasa.gov/news/news-archive/soc_0035.html](http://landsat.gsfc.nasa.gov/news/news-archive/soc_0035.html)",
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        "Chesapeake Bay",
        "Landsat",
        "Narrated Movies"
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        "Chesapeake Flyover (Produced by: Walt Feimer)"
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        {
            "id": 3446,
            "url": "https://svs.gsfc.nasa.gov/3446/",
            "page_type": "Visualization",
            "title": "Chesapeake Bay Flyover",
            "description": "The Chesapeake Bay, an area of approximately 200 miles, is North America's largest estuary. The Bay and its tributaries comprises a complex ecosystem which encompasses rivers, wetlands, trees and habitats. This animation takes us on a tour around the Bay starting from its 'mouth' near Norfolk, Virginia, flying north up to the Susquehanna River and then flying down the area of the Eastern Shore all the way to the Fishermans Island, zooming out to get a look of the Chesapeake bay region. The imagery utilized for this animation is a false-color Chesapeake Bay Landsat-7 Mosaic (#3473) composed of eight scenes acquired between 1999-2002, which were put together and color corrected to resemble natural looking colors.The mosaic was created by EarthSat under contract with NASA as part of the GeoCover 2000 product. All images used in GeoCover were acquired by Landsat 7 during the period of 1999-2002. The pixel size of the full resolution image represents 14.25 m on the ground. The Chesapeake Bay mosaic uses portions of eight Landsat-7 scenes. Below you will find a listing of the eight Landsat 7 images that were put together to create the composite image. Landsat scenes are organized by a Path and Row number according to the Worldwide Reference System. (To learn more about Landsat's Worldwide Reference System, please visit: http://landsat.gsfc.nasa.gov/about/wrs.html)Scenes used in the Chesapeake Bay mosaic:Landsat 7 WRS Path 15-Row 32 acquired on Oct. 05, 2001 Landsat 7 WRS Path 14-Row 32 acquired on Sept. 23, 1999 Landsat 7 WRS Path 15-Row 33 acquired on October 05, 2001 Landsat 7 WRS Path 14-Row 33 acquired on July 10, 2001 Landsat 7 WRS Path 15-Row 34 acquired on Sept. 30, 1999 Landsat 7 WRS Path 14-Row 34 acquired on July 10, 2001 Landsat 7 WRS Path 15-Row 35 acquired on Sept. 30, 1999 Landsat 7 WRS Path 14-Row 35 acquired on Sept. 23, 1999 || ",
            "release_date": "2008-04-21T08:00:00-04:00",
            "update_date": "2024-10-06T22:00:19.055678-04:00",
            "main_image": {
                "id": 505583,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003400/a003446/HDbayFlyover_FINAL.12456_web.png",
                "filename": "HDbayFlyover_FINAL.12456_web.png",
                "media_type": "Image",
                "alt_text": "Chesapeake Bay flyover",
                "width": 320,
                "height": 180,
                "pixels": 57600
            }
        },
        {
            "id": 3472,
            "url": "https://svs.gsfc.nasa.gov/3472/",
            "page_type": "Visualization",
            "title": "Chesapeake Bay Flyover and Watershed Region",
            "description": "The watershed that drains into the Chesapeake Bay is a huge expanse that extends 64,000 miles into six states across North America (New York, Pensylvania, Maryland, Delaware, Virginia, and West Virginia) and the District of Columbia. This visualization overlays the full watershed onto a Landsat satellite visualization of the Bay area. The eight different distinctly colored regions indicate the Chesapeake's major subwatersheds. These subwatershed regions are: Susquehanna, Potomac, Patuxent, MD West Shore, Rapahhannock, Eastern Shore, James and York. This visualization is an extension of the Chesapeake Bay Flyover (#3446) in order to demonstrate the entire Chesapeake Bay Watershed region. The imagery utilized for this animation is a false-color  Chesapeake Bay Landsat-7 Mosaic (#3473) composed of eight scenes acquired between 1999-2002, which were put together and color corrected to resemble natural looking colors.Data Notes:The mosaic was created by EarthSat under contract with NASA as part of the GeoCover 2000 product. All images used in GeoCover were acquired by Landsat-7 during the period of 1999-2002. The pixel size of the full resolution image represents 14.25 m on the ground. The Chesapeake Bay mosaic uses portions of eight Landsat-7 scenes. Below you will find a listing of the eight Landsat 7 images that were put together to create the composite image. Landsat scenes are organized by a Path and Row number according to the Worldwide Reference System. (To learn more about Landsat's Worldwide Reference System, please visit: http://landsat.gsfc.nasa.gov/about/wrs.html)Scenes used in the Chesapeake Bay mosaic: Landsat-7 WRS Path 15-Row 32 acquired on Oct. 05, 2001 Landsat-7 WRS Path 14-Row 32 acquired on Sept. 23, 1999 Landsat-7 WRS Path 15-Row 33 acquired on October 05, 2001 Landsat-7 WRS Path 14-Row 33 acquired on July 10, 2001Landsat-7 WRS Path 15-Row 34 acquired on Sept. 30, 1999 Landsat-7 WRS Path 14-Row 34 acquired on July 10, 2001 Landsat-7 WRS Path 15-Row 35 acquired on Sept. 30, 1999 Landsat-7 WRS Path 14-Row 35 acquired on Sept. 23, 1999 || ",
            "release_date": "2008-04-21T08:00:00-04:00",
            "update_date": "2024-10-10T00:00:34.305767-04:00",
            "main_image": {
                "id": 505658,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003400/a003472/ChesapeakeBayWatershed.13475_web.png",
                "filename": "ChesapeakeBayWatershed.13475_web.png",
                "media_type": "Image",
                "alt_text": "Chesapeake Bay Flyover and Watershed Region animation, without city and river labels",
                "width": 320,
                "height": 180,
                "pixels": 57600
            }
        }
    ],
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