NEFSC 2004 Atlantic Herring Acoustic/Midwater Trawl Survey (DE0413, EK500)
The NEFSC Atlantic herring acoustic survey is a fisheries independent survey that provides scientific data for Atlantic herring assessments in the U.S. mid-Atlantic and New England regions. The survey is conducted in the fall on pre-spawning and spawning herring primarily in the Georges Bank region, but with other historical sites in the Gulf of Maine surveyed. The survey is a systematic design with parallel transects oriented perpendicular to bathymetric features. Midwater trawl sites are selected on an ad hoc basis to sample acoustic backscatter attributed to Atlantic herring as well as backscatter by other organisms. The primary gear is multifrequency Simrad echosounders, but midwater trawl, CTD, and a host of other scientific sensor data are collected ancillary to the acoustic data.
Resources
3 resources available
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Water Column Sonar Data Map Viewer
TEXT/HTML -
Global Change Master Directory (GCMD) Keywords
TEXT/HTML -
International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
TEXT/HTML
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | non-public |
| contactPoint |
{
"fn": "DOC/NOAA/NMFS/NEFSC> Northeast Fisheries Science Center",
"@type": "vcard:Contact",
"hasEmail": "mailto:michael.jech@noaa.gov"
}
|
| describedByType | application/octet-steam |
| description | The NEFSC Atlantic herring acoustic survey is a fisheries independent survey that provides scientific data for Atlantic herring assessments in the U.S. mid-Atlantic and New England regions. The survey is conducted in the fall on pre-spawning and spawning herring primarily in the Georges Bank region, but with other historical sites in the Gulf of Maine surveyed. The survey is a systematic design with parallel transects oriented perpendicular to bathymetric features. Midwater trawl sites are selected on an ad hoc basis to sample acoustic backscatter attributed to Atlantic herring as well as backscatter by other organisms. The primary gear is multifrequency Simrad echosounders, but midwater trawl, CTD, and a host of other scientific sensor data are collected ancillary to the acoustic data. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "Water Column Sonar Data Map Viewer",
"accessURL": "http://maps.ngdc.noaa.gov/viewers/water_column_sonar/",
"mediaType": "text/html",
"description": "Interactive map viewer to allow discovery and access to water column sonar data",
"describedByType": "application/octet-stream"
},
{
"@type": "dcat:Distribution",
"title": "Global Change Master Directory (GCMD) Keywords",
"accessURL": "https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords",
"mediaType": "text/html",
"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.",
"describedByType": "application/octet-stream"
},
{
"@type": "dcat:Distribution",
"title": "International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)",
"accessURL": "https://iho.int/",
"mediaType": "text/html",
"description": "Publication of Sea Areas is maintained by IHO.",
"describedByType": "application/octet-stream"
}
]
|
| identifier | https://data.noaa.gov/waf/NOAA/NESDIS/NGDC/MGG/Sonar_Water_Column/iso/xml/DE0413_EK500.xml |
| issued | 2004-09-09T00:00:00.000+00:00 |
| keyword |
[
"Earth Science > Oceans > Ocean Acoustics > Acoustic Scattering",
"Earth Science > Oceans > Aquatic Sciences > Fisheries",
"Earth Science > Oceans > Ocean Acoustics",
"Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Pelagic",
"Earth Science > Biosphere > Ecosystems > Marine Ecosystems",
"Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Benthic",
"Earth Science > Biosphere > Ecosystems > Aquatic Ecosystems",
"Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry",
"Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography",
"North Atlantic Ocean",
"GEOGRAPHIC REGION > GLOBAL",
"Vertical Location > VERTICAL LOCATION > SEA FLOOR",
"In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System",
"DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce"
]
|
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2004-09-09T00:00:00.000+00:00 |
| publisher |
{
"name": "NOAA National Centers for Environmental Information",
"@type": "org:Organization"
}
|
| rights | otherRestrictions, otherRestrictions |
| spatial | -66.015696967553,40.4303001944145,-70.5528019900476,43.171700512895 |
| temporal | 2004-09-09T00:00:01+00:00/2004-09-29T23:59:59+00:00 |
| title | NEFSC 2004 Atlantic Herring Acoustic/Midwater Trawl Survey (DE0413, EK500) |
