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Marine Trackline Geophysical Database for Sub-Bottom Seismic Data
Marine Trackline Geophysical data represented by sub-bottom seismic data, which we sometimes also call chirp (based on its operating mode), uses a 3.5 kHz operating frequency. Research vessels use this technology to produce cross sections or vertical slices of the upper tens to hundreds of meters of the sediments below the seafloor.
Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | non-public |
| contactPoint |
{
"fn": "NOAA National Centers for Environmental Information",
"@type": "vcard:Contact",
"hasEmail": "mailto:ncei.info@noaa.gov"
}
|
| describedByType | application/octet-steam |
| description | Marine Trackline Geophysical data represented by sub-bottom seismic data, which we sometimes also call chirp (based on its operating mode), uses a 3.5 kHz operating frequency. Research vessels use this technology to produce cross sections or vertical slices of the upper tens to hundreds of meters of the sediments below the seafloor. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "Trackline Geophysical Data Viewer",
"mediaType": "placeholder/value",
"description": "Search for Marine Geophysical Trackline Data using our web based map viewer.",
"downloadURL": "https://www.ncei.noaa.gov/maps/trackline-geophysics/",
"describedByType": "application/octet-steam"
},
{
"@type": "dcat:Distribution",
"title": "Marine Geophysical Trackline Data Homepage",
"mediaType": "placeholder/value",
"description": "NCEI's Marine Trackline Geophysical database provides access to bathymetry, magnetics, gravity and seismic reflection data collected during marine cruises from 1939 to the present. Coverage is worldwide. Data sources include both US and non-US oceanographic institutions, universities, and government agencies.",
"downloadURL": "https://www.ncei.noaa.gov/products/marine-trackline-geophysical-data",
"describedByType": "application/octet-steam"
},
{
"@type": "dcat:Distribution",
"title": "Global Change Master Directory (GCMD) Keywords",
"mediaType": "placeholder/value",
"description": "The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.",
"downloadURL": "https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords",
"describedByType": "application/octet-steam"
},
{
"@type": "dcat:Distribution",
"title": "NCEI Contact Information",
"mediaType": "placeholder/value",
"description": "Information for contacts at NCEI.",
"downloadURL": "https://www.ncei.noaa.gov/contact",
"describedByType": "application/octet-steam"
}
]
|
| identifier | gov.noaa.ncei:trackline-sub-bottom |
| issued | 1979-01-01T00:00:00.000+00:00 |
| keyword |
[
"Earth Science > Oceans > Bathymetry/Seafloor Topography > Water Depth",
"Earth Science > Solid Earth > Seismology > Seismic Profile",
"Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry",
"Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography",
"INFOTERRA > Energy > Energy processes > Natural gas exploration",
"INFOTERRA > Energy > Energy processes > Oil exploration",
"INFOTERRA > Subject disciplines > Geophysics > Geophysics",
"NGDA",
"National Geospatial Data Asset",
"Elevation Theme",
"ICSU-WDS > International Council for Science - World Data System",
"Geographic Region > Global Ocean",
"Vertical Location > Sea Floor",
"Ocean > Arctic Ocean",
"Ocean > Atlantic Ocean",
"Ocean > Indian Ocean",
"Ocean > Pacific Ocean",
"Ocean > Southern Ocean",
"DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce"
]
|
| landingPage | https://www.ncei.noaa.gov/products/marine-trackline-geophysical-data |
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2023-09-15T00:00:00.000+00:00 |
| publisher |
{
"name": "NOAA National Centers for Environmental Information",
"@type": "org:Organization"
}
|
| rights | otherRestrictions |
| spatial | 180.0,-90.0,-180.0,90.0 |
| temporal | 1967-01-01T00:00:00+00:00/1967-01-01T00:00:00+00:00 |
| title | Marine Trackline Geophysical Database for Sub-Bottom Seismic Data |
