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Dissolved inorganic carbon (DIC), total alkalinity (TALK), pH on total scale, water temperature, salinity, nutrients and other parameters measured from surface underway discrete samples during the NOAA Ship Ronald H. Brown GO-SHIP Section A16N_2023 cruise (Leg 1 EXPOCODE 33RO20230306 and Leg 2 EXPOCODE 33RO20230413) in the North and South Atlantic Ocean from 2023-03-06 to 2023-05-09 (NCEI Accession 0307415)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2025-08-27T00:00:00.000+00:00
This dataset contains dissolved inorganic carbon (DIC), total alkalinity (TALK), pH on total scale, water temperature, salinity, nutrients and other parameters measured from surface underway discrete samples during the NOAA Ship Ronald H. Brown GO-SHIP Section A16N_2023 cruise (Leg 1 EXPOCODE 33RO20230306 and Leg 2 EXPOCODE 33RO20230413) and during the transits between the starting port and first station and the ending station and ending port in the North and South Atlantic Ocean from 2023-03-06 to 2023-05-09. There were 148 surface CTD measurements collected from NISKIN Bottles and 53 discrete underway samples collected via a continuously flowing underway line. Discrete underway data has typically not been reported and the purpose of this dataset is to collate unpublished and published surface measurements together from the same research cruise in a usable format.

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0307415 DEPTH - OBSERVATION DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN NITRATE NITRITE partial pressure of carbon dioxide - water pH phosphate SALINITY SEA SURFACE TEMPERATURE silicate total alkalinity WATER TEMPERATURE CTD Niskin bottle nutrient autoanalyzer oxygen sensor pH sensor salinometer temperature sensor titrator chemical discrete sample physical surface underway NOAA Ship Ronald H. Brown NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Pacific Marine Environmental Laboratory Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies University of Miami Rosenstiel School of Marine and Atmospheric Science Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies Ocean Carbon and Acidification Data System (OCADS) The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) North Atlantic Ocean South Atlantic Ocean oceanography DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce U-MIAMI/RSMAS > Rosenstiel School of Marine and Atmospheric Science, University of Miami RB2301 33RO20230306 33RO20230413 Ocean Carbon and Acidification Data System (OCADS) Project GO-SHIP A16N Global Ocean Ship-Based Hydrographic Investigations Program EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Surface underway CTDPRS_DBAR CTDSAL_PSS-78 CTDTMP_ITS-90 DIC_UMOL/KG FCO2_UATM NITRAT_UMOL/KG NITRIT_UMOL/KG OXYGEN_UMOL/KG PHSPHT_UMOL/KG PH_TMP_DEG C PH_TOT SALNTY_PSS-78 SILCAT_UMOL/KG SST_C TA_UMOL/KG TSG_SAL_PSS-78 AUTOANALYZER > AUTOANALYZER CTD > Conductivity, Temperature, Depth NISKIN BOTTLES OXYGEN METERS > OXYGEN METERS PH METERS > PH METERS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS Ships Ronald H. Brown (call sign: WTEC, ICES code: 33RO, 1997-) OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN North Atlantic Ocean South Atlantic Ocean

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