EK60 Water Column Sonar Data Collected During DY0912
Assessment of Rockfish Species in Untrawlable Habitat in the Gulf of Alaska (DY0912, EK60). The Midwater Assessment and Conservation Engineering (MACE) program of NOAA National Marine Fisheries Service (NMFS), Alaska Fisheries Science Center (AFSC) conducted an assessment of northern rockfish (Sebastes polyspinis) and dusky rockfish (Sebastes variabilis) in untrawlable habitat areas of the Gulf of Alaska using advanced acoustics, optical, and trawl technologies, 3-13 October 2009. The primary survey site was a shallow bank along the GOA shelf break known as Snakehead. The survey was conducted aboard NOAA Ship Oscar Dyson, a 64 meter stern trawler equipped with acoustic and oceanographic instrumentation. The primary acoustic instruments for this survey were the Simrad EK60 split beam echosounder and the Simrad ME70 multibeam echosounder. The vessel departed Dutch Harbor, Alaska on 3 October and ended the cruise on 13 October in Kodiak, Alaska. The survey was conducted 4-12 October with a weather delay on 10 October.
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 | Assessment of Rockfish Species in Untrawlable Habitat in the Gulf of Alaska (DY0912, EK60). The Midwater Assessment and Conservation Engineering (MACE) program of NOAA National Marine Fisheries Service (NMFS), Alaska Fisheries Science Center (AFSC) conducted an assessment of northern rockfish (Sebastes polyspinis) and dusky rockfish (Sebastes variabilis) in untrawlable habitat areas of the Gulf of Alaska using advanced acoustics, optical, and trawl technologies, 3-13 October 2009. The primary survey site was a shallow bank along the GOA shelf break known as Snakehead. The survey was conducted aboard NOAA Ship Oscar Dyson, a 64 meter stern trawler equipped with acoustic and oceanographic instrumentation. The primary acoustic instruments for this survey were the Simrad EK60 split beam echosounder and the Simrad ME70 multibeam echosounder. The vessel departed Dutch Harbor, Alaska on 3 October and ended the cruise on 13 October in Kodiak, Alaska. The survey was conducted 4-12 October with a weather delay on 10 October. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "Water Column Sonar Data Map Viewer",
"mediaType": "placeholder/value",
"description": "Interactive map viewer to allow discovery and access to water column sonar data",
"downloadURL": "http://maps.ngdc.noaa.gov/viewers/water_column_sonar/",
"describedByType": "application/octet-steam"
},
{
"@type": "dcat:Distribution",
"title": "Water Column Sonar Data Archive Homepage",
"mediaType": "placeholder/value",
"description": "Web page containing information on the water column sonar data archive.",
"downloadURL": "https://www.ngdc.noaa.gov/mgg/wcd/",
"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": "International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)",
"mediaType": "placeholder/value",
"description": "Publication of Sea Areas is maintained by IHO.",
"downloadURL": "https://iho.int/",
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},
{
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"title": "NCEI Contact Information",
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|
| identifier | gov.noaa.ngdc.mgg.wcd:DY0912_EK60 |
| issued | 2009-10-03T00:00:00.000+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",
"Gulf of Alaska",
"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",
"DOC/NOAA/NMFS > National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
"Vertical Location > Water Column",
"In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System"
]
|
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2016-10-03T00:00:00.000+00:00 |
| publisher |
{
"name": "NOAA National Centers for Environmental Information",
"@type": "org:Organization"
}
|
| rights | otherRestrictions, otherRestrictions |
| spatial | -151.96303,53.89178,-166.53074,57.77291 |
| temporal | 2009-10-03T21:36:24+00:00/2009-10-13T17:42:19+00:00 |
| title | EK60 Water Column Sonar Data Collected During DY0912 |
