This dataset includes surface underway chemical, meteorological and physical data collected during the R/V Oshoro Maru V cruises in the North Pacific Ocean, Japan and Alaska Coasts from 2023-02-16 to 2023-12-04. These data include measurements of sea surface temperature (SST), equilibrator temperature (TEQ), equilibrator pressure (PEQ), mole fraction of carbon dioxide (xCO2) in dry air at TEQ, pCO2 at TEQ (PCO2TEQ). The instruments used to collect these data include carbon dioxide (CO2) gas analyzer and Tandem (bubble+mixer) type equilibrator for autonomous CO2 measurement.

This dataset includes surface underway chemical, meteorological and physical data collected during the R/V Oshoro Maru V cruises in the North Pacific Ocean from 2020-03-17 to 2020-12-08. These data include measurements of sea surface temperature (SST), equilibrator temperature (TEQ), equilibrator pressure (PEQ), mole fraction of carbon dioxide (xCO2) in dry air at TEQ, pCO2 at TEQ (PCO2TEQ). The instruments used to collect these data include carbon dioxide (CO2) gas analyzer and Tandem (bubble+mixer) type equilibrator for autonomous CO2 measurement.

This dataset includes surface underway chemical, meteorological and physical data collected during the R/V Oshoro Maru V cruises in the North Pacific Ocean from 2024-02-20 to 2024-06-25. These data include measurements of sea surface temperature (SST), equilibrator temperature (TEQ), equilibrator pressure (PEQ), mole fraction of carbon dioxide (xCO2) in dry air at TEQ, pCO2 at TEQ (PCO2TEQ). The instruments used to collect these data include carbon dioxide (CO2) gas analyzer and Tandem (bubble+mixer) type equilibrator for autonomous CO2 measurement.

This dataset includes surface underway chemical, meteorological and physical data collected during the R/V Oshoro Maru V cruises in the North Pacific Ocean, Japan Coast from 2021-03-17 to 2021-12-06. These data include measurements of sea surface temperature (SST), equilibrator temperature (TEQ), equilibrator pressure (PEQ), mole fraction of carbon dioxide (xCO2) in dry air at TEQ, pCO2 at TEQ (PCO2TEQ). The instruments used to collect these data include carbon dioxide (CO2) gas analyzer and Tandem (bubble+mixer) type equilibrator for autonomous CO2 measurement.

This dataset consists of the surface underway measurements of mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), mole fraction of CO2 measured in dry outside air (ppm), mole fraction of CO2 in outside air associated with each water analysis. These values are interpolated between the bracketing averaged good xCO2_ATM analyses (ppm), barometric pressure in the equilibrator headspace (hPa), barometric pressure measured outside, corrected to sea level (hPa), water temperature in equilibrator (°C), sea surface temperature (°C), sea surface salinity, fugacity of CO2 in sea water at SST and 100% humidity (μatm), fugacity of CO2 in air corresponding to the interpolated xCO2 at SST and 100% humidity (μatm), sea water fCO2 minus interpolated air fCO2 (μatm). The measurement were performed during the SOOP National Geographic Islander II cruises in the Equatorial Pacific Ocean in 2024.

This dataset includes surface underway, chemical, meteorological and physical data collected from R/V Mirai cruise MR18-06 (EXPOCODE 49NZ20181210) in the Pacific Ocean from 2018-12-10 to 2019-01-09. These data include water temperature, barometric pressure, partial pressure (or fugacity) of carbon dioxide - atmosphere, partial pressure (or fugacity) of carbon dioxide - water. The instruments used to collect these data include Carbon dioxide (CO2) gas analyzer and shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement.

This dataset includes chemical, meteorological, physical and surface underway data collected Ships of Opportunity (SOOP) M/V Lillooet cruises in the North and South Pacific Ocean from 1983-11-30 to 1988-02-20. These data include AIR TEMPERATURE - DRY BULB, AIR TEMPERATURE - WET BULB, BAROMETRIC PRESSURE, CARBON DIOXIDE - AIR, Partial pressure (or fugacity) of carbon dioxide, RELATIVE HUMIDITY, SALINITY, SEA SURFACE TEMPERATURE and WIND SPEED. The instruments used to collect these data include gas chromatograph. These data were collected by C. S. Wong of Climate Chemistry Laboratory, OSAP, Institute of Ocean Sciences as part of the Lillooet, Vancouver to Australia Cruises, 1983-1988 dataset.

This dataset includes surface underway data collected from R/V Wakataka-Maru during the Fisheries Research Agency (FRA) near-Japan pCO2 cruises project in the North Pacific Ocean and Japan Sea from 2022-03-01 to 2022-11-02. These data include partial pressure of carbon dioxide (CO2) - atmosphere, partial pressure of CO2 - water, sea surface salinity, sea surface temperature and barometric pressure. The instruments used to collect these data include CO2 gas analyzer, shower head chamber equilibrator for autonomous CO2 measurement.

This dataset includes surface underway, chemical, physical, coastal data collected during R/V Atlantic Explorer cruises in the North Atlantic Ocean, from 2020-01-21 to 2020-12-18. These data include sea surface temperature, sea surface salinity, oxygen, equilibrator temperature, equilibrator pressure, mole fraction of carbon dioxide (xCO2) in water and atmosphere and barometric pressure. The instruments used to collect these data include GO Oceanics Equilibrator, Hart Thermometer, Setra Pressure sensor, conductivity sensor and oxygen optode.

This dataset includes surface underway, chemical, meteorological and physical data collected from R/V Hakuho Maru cruise KH-16-3 (EXPOCODE 49HH20160531) in the North Pacific Ocean from 2016-05-31 to 2016-06-28. These data include measurements of mole fraction of CO2 in ambient atmosphere in dry air, mole fraction of CO2 in air from equilibrator in dry air, atmospheric pressure, sea surface temperature and sea surface salinity.