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Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations during Ships of Opportunity (SOOP) National Geographic Islander II cruise lines in the Equatorial Pacific Ocean in 2024 (NCEI Accession 0301896)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 04, 2025 | Last Modified: 2025-02-21T00:00:00.000+00:00
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.

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0301896 BAROMETRIC PRESSURE Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water SALINITY - SURFACE WATER WATER TEMPERATURE barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer showerhead equilibrator temperature sensor chemical meteorological physical surface underway NATIONAL GEOGRAPHIC ISLANDER II NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Atlantic Oceanographic and Meteorological Laboratory Ship of Opportunity Programme (SOOP) Surface Ocean CO2 Atlas (SOCAT) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) North Pacific Ocean South Pacific Ocean oceanography DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce ISL2_20240524 ISL2_20240529 ISL2_20240602 ISL2_20240607 ISL2_20240612 ISL2_20240616 ISL2_20240621 ISL2_20240626 ISL2_20240630 ISL2_20240708 ISL2_20240726 ISL2_20240802 ISL2_20240809 ISL2_20240908 ISL2_20241104 28WT20240524 28WT20240529 28WT20240602 28WT20240607 28WT20240612 28WT20240616 28WT20240621 28WT20240626 28WT20240630 28WT20240708 28WT20240726 28WT20240802 28WT20240809 28WT20240908 28WT20241104 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project AOML_SOOP_CO2 Ship Of Opportunity Program (SOOP) EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE > PARTIAL PRESSURE OF CARBON DIOXIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > SURFACE SALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Surface underway National Geographic Islander II SOOP Lines PRES_ATM@SSP_hPa SAL_permil SST_C fCO2_SW@SST BAROMETERS > BAROMETERS CO2 ANALYZERS > CO2 ANALYZERS EQUILIBRATORS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS Ships National Geographic Islander II (call sign: HC6581, ICES code: 28WT, 2022-) OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN Pacific Ocean

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