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OAS accession Detail for 0291424
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Title: Zooplankton biomass measured from net tows conducted during ongoing monthly cruises, from April 1994 to March 2022, at the Bermuda Atlantic Time-series Study (BATS) site in the Sargasso Sea (NCEI Accession 0291424)
Abstract: This dataset contains biological data collected during deployment BATS_cruises in the North Atlantic Ocean from 1994-04-06 to 2022-03-30. These data include biomass. The instruments used to collect these data include Flow Meter and Plankton Net. These data were collected by Deborah K. Steinberg and Joseph Cope of Virginia Institute of Marine Science as part of the "Bermuda Atlantic Time-series Study (BATS)" project and "Ocean Carbon and Biogeochemistry (OCB)", "Ocean Time-series Sites (Ocean Time-series)", and "U.S. Joint Global Ocean Flux Study (U.S. JGOFS)" programs. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2023-04-07.

The following is the text of the dataset description provided by BCO-DMO:

BATS zooplankton biomass

Dataset Description:
Acquisition Description:
Sampling was conducted on ongoing monthly cruises, starting in April 1994, at the Bermuda Atlantic Time-series Study (BATS) site (31° 40' N 64° 10'W) in the Sargasso Sea. Mesozooplankton were collected with a rectangular frame (0.8 x 1.2 meters) net with 202 micrometer (µm) mesh. Two replicate double oblique tows through the euphotic zone at a ship speed of 1 nautical mile per hour (nm/h) were made during the day (between about 0900 and 1500 h) and night (between about 2000 and 0200 h) on each BATS cruise. The targeted maximum net depth was between 150 and 200 meters (m) and absolute depth was recorded with a temperature-depth recorder. The volume of water filtered by the net (m³) was measured with a General Oceanics flowmeter.

Samples from the tows were split immediately on board. One half-split was fractionated by wet sieving through nested sieves with mesh sizes of 5.0, 2.0, 1.0, 0.5 and 0.2 millimeters (mm), with individual fractions transferred to preweighed disks of 0.2 mm nitex netting and frozen for subsequent wet and dry weight (in milligrams) analyses.
Date received: 20230407
Start date: 19940406
End date: 20220330
Seanames:
West boundary: -64.505
East boundary: -63.779
North boundary: 31.975
South boundary: 31.411
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Submitting institution: Biological and Chemical Oceanography Data Management Office
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Metadata version: 1
Keydate: 2024-04-20 19:30:29+00
Editdate: 2024-04-20 19:31:01+00