{
    "tag": 8389,
    "title": "Shorelines Extracted from 1984-2015 Landsat Imagery: Petit Bois Island, Mississippi (Polygon: Combined Dates)",
    "pubdate": "2015",
    "sername": null,
    "series_name": null,
    "issue": "doi:10.5066\/F72N509Q",
    "publish": null,
    "publisher_name": null,
    "onlink": "https:\/\/cmgds.marine.usgs.gov\/catalog\/spcmsc\/metadata_petit_bois_landsat_shoreline_polys_combined_dates_19840325_20150523.faq.html",
    "format": null,
    "email": null,
    "descript": "Shorelines Extracted from 1984-2015 Landsat Imagery: Petit Bois Island, Mississippi (Polygon: Combined Dates) is a polygon shapefile representing shorelines generated from satellite imagery that was collected from 1984 to 2015.  The sample frequency of satellite imagery is much higher, and the coverage much greater, than most routine high-resolution topographic surveys.  Certain aspects of barrier island morphology, such as island size, shape and position, can be determined from these images and can indicate erosion, land loss, and island breakup.  Studying how these characteristics evolve will help develop an understanding of how barrier islands will respond to climate change, sea level rise, and major storms in the future and that will serve to improve management of our coastal resources.",
    "lang": null,
    "journal": null,
    "pwid": null,
    "originator": [
        {
            "name": "U.S. Geological Survey",
            "role": "Author"
        }
    ],
    "index_term": [
        {
            "thcode": 2,
            "code": "2069",
            "name": "barrier island migration",
            "scope": "The slow, landward movement of barrier islands in response to sea level rise and repeated storm washover."
        },
        {
            "thcode": 2,
            "code": "1799",
            "name": "coastal processes",
            "scope": "Processes unique to coastal areas including longshore transport, beach erosion, storm surge, shoreline change, delta formation, barrier island migration, beach stabilization by vegetation"
        },
        {
            "thcode": 2,
            "code": "353",
            "name": "erosion",
            "scope": "The process whereby materials of the earth's crust are loosened, dissolved, or worn away and simultaneously moved from one place to another."
        },
        {
            "thcode": 2,
            "code": "981",
            "name": "remote sensing",
            "scope": "Acquiring information about a natural feature or phenomenon, such as the Earth's surface, without actually being in contact with it. USGS remote sensing is usually carried out with airborne or spaceborne sensors or cameras."
        },
        {
            "thcode": 2,
            "code": "2072",
            "name": "shoreline accretion",
            "scope": "Seaward migration of the shoreline resulting from the addition of earth materials."
        },
        {
            "thcode": 61,
            "code": "450",
            "name": "aerial and satellite photography",
            "scope": "used for vertical or oblique photography of the Earth taken from aircraft or satellites; do not use for air-to-air photography."
        },
        {
            "thcode": 61,
            "code": "58",
            "name": "barrier island migration",
            "scope": "the slow, landward movement of barrier islands in response to sea level rise and repeated storm washover."
        },
        {
            "thcode": 61,
            "code": "427",
            "name": "mapping",
            "scope": "in addition to traditional cartographic methods, this term is used for all field activities that document spatial relationships of scientific interest."
        },
        {
            "thcode": 61,
            "code": "449",
            "name": "remote sensing",
            "scope": "generally used for the acquisition of images or other data from aircraft or satellites; also used for ground-based systems for collecting data at a distance."
        },
        {
            "thcode": 61,
            "code": "177",
            "name": "shore",
            "scope": "the boundary between an ocean, sea, or lake and the adjacent dry land."
        },
        {
            "thcode": 61,
            "code": "68",
            "name": "shoreline accretion",
            "scope": "seaward migration of the shoreline resulting from the addition of earth materials."
        },
        {
            "thcode": 61,
            "code": "69",
            "name": "shoreline erosion",
            "scope": "landward migration of the shoreline resulting from the removal of earth materials."
        }
    ],
    "place_term": [],
    "image": [],
    "fan": []
}