EK60 Water Column Sonar Data Collected During GU1101
SEAMAP 2011 Spring Plankton Survey (CU1101, EK60). The primary survey objective was to assess the occurrence, abundance and geographical distribution of the early life stages of spring spawning fishes, especially bluefin tuna (Thunnus thynnus), from the continental shelf edge to deep Gulf waters using a bongo frame fitted with 0.335 mm nets and a neuston frame fitted with a 0.950 mm net at selected SEAMAP stations in support of annual stock assessments. An additional neuston frame fitted with a 0.505 mm net and a flowmeter was fished subsurface at all stations.Sampling was also conducted to describe the pelagic habitat of fish larvae through measurements of various physical and biological parameters including salinity, fluorescence, dissolved oxygen, turbidity, and chlorophyll. The distribution of fish eggs along the cruise track was sampled using a Continuous Underway Fish Egg Sampler (CUFES) and vertical distribution of fish larvae were estimated by sampling discrete depths using a 1 m Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS) with 0.505 mm nets.
Dataset Citation
- Cite as: Southeast Fisheries Science Center. 2011. 'EK60 Water Column Sonar Data Collected During GU1101'. NOAA National Centers for Environmental Information. doi:10.7289/V51R6NJ9 [access date]
Dataset Identifiers
- GU1101_EK60
- doi:10.7289/V51R6NJ9
- NCEI Metadata ID:gov.noaa.ngdc.mgg.wcd:GU1101_EK60
ISO 19115-2 Metadata
gov.noaa.ngdc.mgg.wcd:GU1101_EK60
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Ordering Instructions | Contact the NCEI Water Column Sonar Data Manager to order data. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | Water Column Sonar Data Manager NOAA National Centers for Environmental Information (303) 497-4742 wcd.info@noaa.gov |
Time Period | 2011-05-02T17:42:50 to 2011-05-28T17:23:51 |
Spatial Reference System | urn:ogc:def:crs:EPSG::4326Vertical Datum: Unknown |
Spatial Bounding Box Coordinates |
West: -96.0195
East: -81.81087
South: 23.99084
North: 30.36817
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Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | Not planned |
Purpose | The SEAMAP spring plankton survey collects samples from a systematic grid of stations to assess distribution, occurrence and abundance ofthe early life stages of a variety of species of fishes and invertebrates. The survey specifically targets larval bluefin tuna. |
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Global Change Master Directory (GCMD) Instrument Keywords
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International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
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Last Modified: 2020-06-03
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov