Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Surface underway and surface discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, partial pressure of CO2 (pCO2), pH, on total scale nutrients and other parameters obtained onboard the NOAA ship Ronald H. Brown during the GOMECC-4 cruise in the Gulf of Mexico and North Atlantic Ocean from 2021-09-13 to 2021-10-21 (NCEI Accession 0286818)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2024-01-06T00:00:00.000+00:00
This dataset contains the surface underway and surface discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, partial pressure of CO2 (pCO2), pH, on total scale nutrients and other parameters obtained onboard the NOAA ship Ronald H. Brown during the GOMECC-4 cruise in the Gulf of Mexico and North Atlantic Ocean from 2021-09-13 to 2021-10-21. The ship departed from Key West, FL into the Gulf of Mexico and then around the coastal waters of the Gulf of Mexico in a counter-clockwise direction. The cruise ended in St. Petersburg, FL. The effort was in support of the coastal monitoring and research objectives of NOAA’S Ocean Acidification Program. The cruise was designed to obtain a snapshot of key carbon, physical, and biogeochemical parameters as they relate to ocean acidification (OA) in the coastal realm. This was the fourth occupation of the Gulf of Mexico as part of the Ocean Acidification Program’s monitoring efforts, with the first three occurring in 2007, 2012 and 2017. The cruise included a series of 15 transects approximately orthogonal to the coast of the Gulf of Mexico and a 16th partial transect along the 27°N line between Florida and the Bahamas. On the transit between each of these transects, discrete samples were collected from the underway seawater line to obtain a comprehensive set of underway measurements. This dataset includes the data from the underway samples as well as the data from the surface sample of ech CTD cast performed along the 15 transects that were conducted during GOMECC-4.

Find Related Datasets

Click any tag below to search for similar datasets

0286818 CARBON - CARBONATE DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN NITRATE nitrate + nitrite content (concentration) NITRITE partial pressure of carbon dioxide - water pH phosphate silicate total alkalinity carbon dioxide (CO2) gas analyzer CTD Niskin bottle oxygen sensor salinometer temperature sensor titrator chemical surface underway NOAA Ship Ronald H. Brown NOAA Atlantic Oceanographic and Meteorological Laboratory University of Miami University of South Florida NOAA Atlantic Oceanographic and Meteorological Laboratory US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) Caribbean Sea Florida Keys National Marine Sanctuary Flower Garden Banks National Marine Sanctuary Gulf of Mexico North Atlantic Ocean oceanography DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce RB21-03 33RO20210913 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project GOMECC-4 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBONATE 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 Discrete measurement Surface underway CARBONATE_UMOL_KG DIC_UMOL_KG NITRATE_UMOL_KG NITRATE_and_NITRITE_UMOL_KG NITRITE_UMOL_KG OXYGEN_UMOL_KG PHOSPHATE_UMOL_KG SILICATE_UMOL_KG TA_UMOL_KG fCO2_measured_UATM pH_TS_MEA CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES OXYGEN METERS > OXYGEN 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 > NORTH ATLANTIC OCEAN > CARIBBEAN SEA OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO Gulf of Mexico North Atlantic Ocean

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov