{
    "tag": 17703,
    "title": "Split-beam Echo Sounder and Navigation Data Collected Using a Simrad EK80 Wide Band Transceiver and ES38-10 Transducer During the Mid-Atlantic Resource Imaging Experiment (MATRIX), USGS Field Activity 2018-002-FA",
    "pubdate": "20210115",
    "sername": null,
    "series_name": null,
    "issue": "DOI:10.5066\/P948VJ4X",
    "publish": null,
    "publisher_name": null,
    "onlink": "https:\/\/cmgds.marine.usgs.gov\/catalog\/whcmsc\/SB_data_release\/DR_P948VJ4X\/2018-002-FA_EK80_meta.faq.html",
    "format": null,
    "email": null,
    "descript": "In summer 2018, the U.S. Geological Survey partnered with the U.S Department of Energy and the Bureau of Ocean Energy Management to conduct the Mid-Atlantic Resources Imaging Experiment (MATRIX) as part of the U.S. Geological Survey Gas Hydrates Project. The field program objectives were to acquire high-resolution 2-dimensional multichannel seismic-reflection and split-beam echo sounder data along the U.S Atlantic margin between North Carolina and New Jersey to determine the distribution of methane gas hydrates in below-sea floor sediments and investigate potential connections between gas hydrate dynamics and sea floor methane seepage. MATRIX field work was carried out between August 8 and August 28, 2018 on the research vessel Hugh R. Sharp and resulted in acquisition of more than 2,000 track-line kilometers of multichannel seismic-reflection and co-located split-beam echo sounder data, along with wide-angle seismic reflection and refraction data from 63 expendable sonobuoy deployments.",
    "lang": null,
    "journal": null,
    "pwid": null,
    "originator": [
        {
            "name": "Baldwin, Wayne E.",
            "role": "Author"
        },
        {
            "name": "Bergeron, Emile M.",
            "role": "Author"
        },
        {
            "name": "Foster, David S.",
            "role": "Author"
        },
        {
            "name": "Moore, Eric M.",
            "role": "Author"
        },
        {
            "name": "Nichols, Alexander R.",
            "role": "Author"
        },
        {
            "name": "O'Brien, Thomas F.",
            "role": "Author"
        },
        {
            "name": "Miller, Nathaniel C.",
            "role": "Author"
        },
        {
            "name": "Ruppel, Carolyn D.",
            "role": "Author"
        }
    ],
    "index_term": [
        {
            "thcode": 2,
            "code": "474",
            "name": "geospatial datasets",
            "scope": "Collections of related digital information that are geographically referenced."
        },
        {
            "thcode": 2,
            "code": "707",
            "name": "marine geophysics",
            "scope": "Branch of earth sciences concerned with the physical processes of the oceans and continental margins.  We include here studies of large bodies of brackish and fresh water, such as lakes and rivers."
        },
        {
            "thcode": 2,
            "code": "2078",
            "name": "navigational data",
            "scope": "Geospatial data indicating the locations of instruments, vessels, aircraft, or other vehicles used to collect scientific observations.  These data include horizontal coordinates in sequence, and may include time or vertical position."
        },
        {
            "thcode": 2,
            "code": "1083",
            "name": "sonar methods",
            "scope": "SOund Navigation And Ranging techniques to detect submerged objects and to determine depths to the bottom of a water body using reflections of sound waves."
        },
        {
            "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": "013",
            "name": "location",
            "scope": "Positional information and services, for example addresses, geodetic networks, geodetic control points, postal zones and services, place names, geographic names"
        },
        {
            "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": [],
    "image": [
        {
            "name": "https:\/\/www.sciencebase.gov\/catalog\/file\/get\/5f4fdafa82ce4c3d123502e7\/?name=2018-002-FA_EK80BrowseImage.jpg",
            "description": "Split-beam echo sounder browse image."
        }
    ],
    "fan": [
        "2018-002-FA"
    ]
}