{
    "tag": 18562,
    "title": "Chenier_Plain_2017_SBB_200m_DEM_metadata: Nearshore Single-Beam Bathymetry XYZ Data Collected in 2017 from the Chenier Plain, Louisiana",
    "pubdate": "20180628",
    "sername": null,
    "series_name": null,
    "issue": "doi:10.5066\/F7CV4GZH",
    "publish": null,
    "publisher_name": null,
    "onlink": "https:\/\/cmgds.marine.usgs.gov\/catalog\/spcmsc\/Chenier_Plain_2017_SBB_200m_DEM_metadata.faq.html",
    "format": null,
    "email": null,
    "descript": "As a part of the Barrier Island Comprehensive Monitoring Program (BICM), scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted a nearshore single-beam bathymetry survey along the Chenier Plain, Louisiana from Marsh Island to Sabine Pass. The goal of the BICM program is to provide long-term data on Louisiana's coastline and use this data to plan, design, evaluate, and maintain current and future barrier island restoration projects. The data described in this metadata record will provide baseline bathymetric information for future research investigating island evolution, sediment transport, recent- and long-term geomorphic change and will support modeling of future changes in response to restoration and storm impacts. Over 3,300-line kilometers of single-beam data were acquired during two field missions: USGS Field Activity numbers (FAN) 2017-323-FA, conducted June 2-14, and 2017-324-FA, which occurred July 8-16, 2017 aboard four separate survey vessels. The final x,y,z data are provided in the native World Geodetic System of 1984 (WGS84) G1150 acquisition format (which is equivalent to the International Terrestrial Reference Frame of 2000 [ITRF00]), with values ranging from -26.62 m to -56.83m ellipsoid height, as well as the North American Datum of 1983 (NAD83) reference frame and the North American Vertical Datum of 1988 (NAVD88) GEOID12A , with values ranging from 0.00 to -30.13 m .",
    "lang": null,
    "journal": null,
    "pwid": null,
    "originator": [
        {
            "name": "Stalk, Chelsea A.",
            "role": "Author"
        },
        {
            "name": "Flocks, James G.",
            "role": "Author"
        },
        {
            "name": "Bernier, Julie C.",
            "role": "Author"
        },
        {
            "name": "DeWitt, Nancy T.",
            "role": "Author"
        },
        {
            "name": "Fredericks, Jake J.",
            "role": "Author"
        },
        {
            "name": "Kelso, Kyle W.",
            "role": "Author"
        },
        {
            "name": "Farmer, Andrew S.",
            "role": "Author"
        },
        {
            "name": "Tuten, Thomas M.",
            "role": "Author"
        },
        {
            "name": "Wilcox, Hunter S.",
            "role": "Author"
        }
    ],
    "index_term": [
        {
            "thcode": 2,
            "code": "80",
            "name": "bathymetry",
            "scope": "The elevation of the earth's surface beneath a body of water, especially the ocean, typically determined by measurements of depth from the water surface."
        },
        {
            "thcode": 2,
            "code": "2041",
            "name": "digital elevation models",
            "scope": "Gridded elevation, geographically referenced to the surface of the earth, as digital data"
        },
        {
            "thcode": 2,
            "code": "1359",
            "name": "field monitoring stations",
            "scope": "Locations where USGS scientists or their collaborators make measurements of natural phenomena."
        },
        {
            "thcode": 2,
            "code": "470",
            "name": "geophysics",
            "scope": "Branch of geology studying the physical characteristics and phenomena of the earth and its atmosphere."
        },
        {
            "thcode": 2,
            "code": "706",
            "name": "marine geology",
            "scope": "Branch of geology concerned with the composition, geologic history, and earth processes of the ocean floor and the continental margin."
        },
        {
            "thcode": 2,
            "code": "2035",
            "name": "single-beam echo sounder",
            "scope": "Acoustic technique for determining seafloor or lakebed depth directly below the instrument platform."
        },
        {
            "thcode": 15,
            "code": "006",
            "name": "elevation",
            "scope": "Height above or below sea level, for example altitude, bathymetry, digital elevation models, slope, derived products, DEMs, TINs"
        },
        {
            "thcode": 15,
            "code": "008",
            "name": "geoscientificInformation",
            "scope": "Information pertaining to earth sciences, for example geophysical features and processes, geology, minerals, sciences dealing with the composition, structure and origin of the earth's rocks, risks of earthquakes, volcanic activity, landslides, gravity information, soils, permafrost, hydrogeology, groundwater, erosion"
        },
        {
            "thcode": 15,
            "code": "010",
            "name": "imageryBaseMapsEarthCover",
            "scope": "Base maps, for example land\/earth cover, topographic maps, imagery, unclassified images, annotations, digital ortho imagery"
        },
        {
            "thcode": 15,
            "code": "014",
            "name": "oceans",
            "scope": "Features and characteristics of salt water bodies (excluding inland waters), for example tides, tidal waves, coastal information, reefs, maritime, outer continental shelf submerged lands, shoreline"
        }
    ],
    "place_term": [
        {
            "thcode": 1,
            "code": "h08090302",
            "name": "West Central Louisiana Coastal",
            "scope": "hydrologic unit",
            "pname": "Central Louisiana Coastal"
        },
        {
            "thcode": 1,
            "code": "q30094NEA2",
            "name": "Grand Chenier",
            "scope": "map quadrangle, 7.5 minute",
            "pname": "White Lake"
        },
        {
            "thcode": 1,
            "code": "q30094NWA3",
            "name": "Sabine Pass",
            "scope": "map quadrangle, 7.5 minute",
            "pname": "Port Arthur"
        },
        {
            "thcode": 1,
            "code": "fOC16",
            "name": "Gulf of Mexico",
            "scope": "ocean or sea",
            "pname": "Atlantic"
        },
        {
            "thcode": 1,
            "code": "f22019",
            "name": "Calcasieu",
            "scope": "Parish",
            "pname": "Louisiana"
        },
        {
            "thcode": 1,
            "code": "fUS22",
            "name": "Louisiana",
            "scope": "state",
            "pname": "United States"
        }
    ],
    "image": [],
    "fan": [
        "2017-323-FA",
        "2017-324-FA"
    ]
}