Partial pressure (or fugacity) of carbon dioxide, water temperature and salinity collected from surface underway observations during the yacht AmberSail on Volvo Ocean 65 (VO65) race cruises in the North Atlantic Ocean, North Sea, English Channel, Baltic Sea and Mediterranean Sea from 2021-05-09 to 2021-06-16 (NCEI Accession 0245563)

This dataset includes surface underway data collected during the yacht AmberSail on Volvo Ocean 65 (VO65) race cruises in the North Atlantic Ocean, North Sea, English Channel, Baltic Sea and Mediterranean Sea from 2021-05-09 to 2021-06-16. These data include partial pressure (or fugacity) of carbon dioxide in the water, sea surface salinity and sea surface temperature. The instruments used to collect these data include carbon dioxide (CO2) gas analyzer, flat membrane equilibrator for autonomous carbon dioxide (CO2) measurement.