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This dataset includes discrete profile measurements of Dissolved inorganic carbon (DIC), total alkalinity, pH on sea water scale, dissolved organic carbon (DOC), chlorofluorocarbons (CFC-11, CFC-12), temperature, salinity, oxygen, nutrients, and other variables measured during NOAA Ship Ronald H. Brown cruise along the Global Ocean Ship-Based Hydrographic Investigation Program (GO-SHIP) Section I07N (EXPOCODE 33RO20180423) in the Indian Ocean on from 2018-04-23 to 2018-06-06. Hydrographic measurements were carried out along the I07N section in the western Indian Ocean in April-June 2018 under the auspices of GO-SHIP. The unique aspect of the 2018 I07N research cruise is that it was the first reoccupation of the I07N section since 1995. The section was not revisited for about 23 years because of the rise of piracy in the region.

This data package contains Underway total alkalinity, water temperature, salinity and other variables collected from surface seawater during the NOAA Ship Ronald H. Brown cruise RB2104 (EXPOCODE 33RO20210315) in the Caribbean Sea, North Pacific Ocean, U.S. West Coast from 2021-03-17 to 2021-03-30. Data were collected from the ship's underway seawater supply during a transit from Key West FL to San Diego CA. This effort was part of the NOAA Ocean Acidification Program (OAP) grant entitled "Expanding near-shore carbonate measurements along the East-coast and Gulf of Mexico through multiple collaborations". Along with total alkalinity, corresponding temperature and salinity measurements are included. Measurements of pCO2 taken on these cruises are available from NOAA's AOML.

This data package contains Underway total alkalinity, water temperature, salinity and other variables collected from surface seawater during the NOAA Ship Ronald H. Brown 2021 West Coast Ocean Acidification cruise RBWCOA2021 (EXPOCODE 33RO20210613) in the North Pacific Ocean from 2021-06-14 to 2021-07-20. Data were collected from the ship's underway seawater supply during the NOAA Ocean Acidification Program-funded West Coast Ocean Acidification (WCOA) cruise. This underway TA effort was part of the NOAA Ocean Acidification Program (OAP) grant entitled "Expanding near-shore carbonate measurements along the East-coast and Gulf of Mexico through multiple collaborations". Along with total alkalinity, corresponding temperature and salinity measurements are included. Measurements of pCO2 taken on these cruises are available from NOAA's AOML.

This dataset contains water temperature, salinity, and oxygen data taken by CTD and water sampling from NOAA Ship Ronald H. Brown in the North Atlantic Ocean. Cruise RB-20-07 in 2020 had the objective to service a number of moored platforms for the MOVE project (Meridional Overturning Variability Experiment). To calibrate and validate the mooring data, CTD casts with salinity and oxygen water samples were collected; these data are reported here. The CTD sensor data have been quality-controlled and adjusted using the water sample data. The raw CTD data are available as separate files. Data are in NetCDF.

This data package contains Underway total alkalinity, water temperature, salinity and other variables collected from surface seawater during the NOAA Ship Ronald H. Brown cruise RB2105Transit (EXPOCODE 33RO20210814) in the Gulf of Mexico and West Coast of the U.S., North Pacific Ocean from 2021-08-19 to 2021-08-24. Data were collected from the ship's underway seawater supply during a transit from San Diego CA to Key West FL. This effort was part of the NOAA Ocean Acidification Program (OAP) grant entitled "Expanding near-shore carbonate measurements along the East-coast and Gulf of Mexico through multiple collaborations". Along with total alkalinity, corresponding temperature and salinity measurements are included. Measurements of pCO2 taken on these cruises are available from NOAA's AOML.