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Characterizing the Biological Carbon Pump and Evaluating Impacts of OA on Microbial and Planktonic Communities in the Gulf of America from 2021-12-06 to 2025-05-24 (NCEI Accession 0311431)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 05:16 AM | Dataset Last Updated: February 03, 2026 at 12:00 AM
This dataset contains the seawater data (dissolved inorganic carbon, total alkalinity, and nutrients) collected from seven Northern Gulf of America Sediment Trap cruises (GMT-1 through 7). GMT-1 took place December 5-7, 2021 aboard the R/V Pelican. GMT-2 took place May 14-16, 2022 aboard the R/V Weatherbird II. GMT-3 took place November 29-December 1, 2022 aboard the R/V Pelican. GMT-4 took place May 27-June 2, 2023 aboard the R/V Weatherbird II. GMT-5 took place November 29-December 1, 2023 aboard the R/V Pelican. GMT-6 took place September 23-25, 2024 aboard the R/V Pelican. GMT-7 took place May 21-27, 2025 aboard the R/V Weatherbird II. In total, 84 bottles were collected on the seven cruises. Each cruise also involved the deployment and/or retrieval of a sediment trap at a depth of 550 meters. The purpose of the seawater and sediment samples was to characterize the biological carbon pump using environmental DNA, particle fluxes, and physical and chemical parameters, to identify OA impacts to microbial and planktonic communities in the Northern Gulf. The work conducted on this cruise was supported by the NOAA Ocean Acidification Program.

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0311431 AMMONIUM (NH4) DISSOLVED INORGANIC CARBON (DIC) NITRATE nitrate + nitrite content (concentration) NITRITE pH phosphate

Complete Metadata
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accessLevel non-public
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describedByType application/octet-steam
description This dataset contains the seawater data (dissolved inorganic carbon, total alkalinity, and nutrients) collected from seven Northern Gulf of America Sediment Trap cruises (GMT-1 through 7). GMT-1 took place December 5-7, 2021 aboard the R/V Pelican. GMT-2 took place May 14-16, 2022 aboard the R/V Weatherbird II. GMT-3 took place November 29-December 1, 2022 aboard the R/V Pelican. GMT-4 took place May 27-June 2, 2023 aboard the R/V Weatherbird II. GMT-5 took place November 29-December 1, 2023 aboard the R/V Pelican. GMT-6 took place September 23-25, 2024 aboard the R/V Pelican. GMT-7 took place May 21-27, 2025 aboard the R/V Weatherbird II. In total, 84 bottles were collected on the seven cruises. Each cruise also involved the deployment and/or retrieval of a sediment trap at a depth of 550 meters. The purpose of the seawater and sediment samples was to characterize the biological carbon pump using environmental DNA, particle fluxes, and physical and chemical parameters, to identify OA impacts to microbial and planktonic communities in the Northern Gulf. The work conducted on this cruise was supported by the NOAA Ocean Acidification Program.
distribution 
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0311431.xml
issued 2026-01-07T00:00:00.000+00:00
keyword 
[
  "0311431",
  "AMMONIUM (NH4)",
  "DISSOLVED INORGANIC CARBON (DIC)",
  "NITRATE",
  "nitrate + nitrite content (concentration)",
  "NITRITE",
  "pH",
  "phosphate",
  "SALINITY",
  "silicate",
  "total alkalinity",
  "WATER TEMPERATURE",
  "carbon dioxide (CO2) gas analyzer",
  "CTD",
  "Niskin bottle",
  "nutrient autoanalyzer",
  "pH sensor",
  "salinometer",
  "temperature sensor",
  "titrator",
  "chemical",
  "discrete sample",
  "profile",
  "R/V Pelican",
  "WEATHERBIRD II",
  "Northern Gulf Institute",
  "Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies",
  "Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies",
  "Ocean Carbon and Acidification Data System (OCADS)",
  "US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)",
  "Gulf of America",
  "Gulf of Mexico",
  "oceanography",
  "GMT-1",
  "GMT-2",
  "GMT-3",
  "GMT-4",
  "GMT-5",
  "GMT-6",
  "GMT-7",
  "320G20220514",
  "320G20230527",
  "320G20250521",
  "32PE20211205",
  "32PE20221129",
  "32PE20231129",
  "32PE20240923",
  "Ocean Acidification Program (OAP)",
  "Ocean Carbon and Acidification Data System (OCADS) Project",
  "Coastal",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Profile",
  "DIC",
  "DIC_AOML",
  "N+N",
  "NH4",
  "NO3",
  "NO4",
  "PO4",
  "Si",
  "TA",
  "TA_AOML",
  "AUTOANALYZER > AUTOANALYZER",
  "CO2 ANALYZERS > CO2 ANALYZERS",
  "CTD > Conductivity, Temperature, Depth",
  "NISKIN BOTTLES",
  "PH METERS > PH METERS",
  "SALINOMETERS",
  "TEMPERATURE SENSORS > TEMPERATURE SENSORS",
  "Ships",
  "PELICAN (call sign: WSK3051, ICES code: 32PE, 1985-)",
  "WEATHERBIRD (call sign: AGOR, ICES code: 320G)",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO",
  "Gulf of America",
  "Gulf of Mexico"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2026-02-03T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
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references 
[
  "https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system",
  "https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Coastal/north_america_east.html"
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rights otherRestrictions
spatial -89.1063,23.2302,-89.137,23.2398
temporal 2021-12-06T00:00:00+00:00/2025-05-24T00:00:00+00:00
theme 
[
  "geospatial"
]
title Characterizing the Biological Carbon Pump and Evaluating Impacts of OA on Microbial and Planktonic Communities in the Gulf of America from 2021-12-06 to 2025-05-24 (NCEI Accession 0311431)

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