Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations using carbon dioxide (CO2) gas analyzer, shower head chamber equilibrator for autonomous CO2 measurement and other instruments during R/V Ryofu Maru III cruises in the Pacific Ocean in 2021 (NCEI Accession 0244850)

This dataset includes surface underway data collected from R/V Ryofu Maru III cruises in the Pacific Ocean from 2021-01-13 to 2021-10-11. These data include partial pressure of carbon dioxide in the water, barometric pressure, sea surface salinity and sea surface temperature. The instruments used to collect these data include carbon dioxide (CO2) gas analyzer, shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement.