This dataset includes Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from surface underway observations during the R/V Marion Dufresne OISO-18 cruise (EXPOCODE 35MF20091219) in the Indian Ocean from 2009-12-19 to 2010-01-24. The dataset is also include barometric pressure, partial pressure (or fugacity) of carbon dioxide - air, fluorescence, partial pressure (or fugacity) of carbon dioxide - water, surface salinity and water temperature. The instruments used to collect these data include Carbon dioxide (CO2) gas analyzer and Thin film type equilibrator for autonomous carbon dioxide (CO2) measurement. These data were collected by Nicolas Metzl of Sorbonne University (SU) as part of the OISO-18 dataset. The International CLIVAR Global Ocean Carbon and Repeat Hydrography Program carries out a systematic and global re-occupation of select WOCE/JGOFS hydrographic sections to quantify changes in storage and transport of heat, fresh water, carbon dioxide (CO2), and related parameters.

This dataset includes Surface underway, chemical, meteorological, optical and physical data collected from R/V Marion Dufresne cruise OISO-25 in the Indian Ocean from 2016-01-07 to 2016-01-26. These data include barometric pressure, Fluorescence, partial pressure (or fugacity) of carbon dioxide - water, salinity and sea surface temperature. The instruments used to collect these data include Carbon dioxide (CO2) gas analyzer and Thin film type equilibrator for autonomous carbon dioxide (CO2) measurement. These data were collected by Claire Lo Monaco and Nicolas Metzl of Sorbonne University (SU) as part of the OISO_25_UW dataset. CDIAC associated the following cruise ID(s) with this dataset: 35MV20160107

This dataset includes surface underway, chemical, meteorological, optical and physical data collected from R/V Marion Dufresne during the OISO-4 and OISO-5 cruises in the Indian Ocean and Southern Oceans from 2000-01-15 to 2000-08-14. The data include the partial pressure of carbon dioxide, salinity, temperature, and barometric pressure. The instruments used to collect these data include barometric pressure sensor, carbon dioxide (CO2) gas analyzer and thin film type equilibrator for autonomous carbon dioxide (CO2) measurement.

This dataset includes surface underway, chemical, meteorological, optical and physical data collected from R/V Marion Dufresne during the OISO-1, OISO-2 and OISO-3 cruises in the Indian Ocean 1998-01-21 to 1998-12-28. The data include the partial pressure of carbon dioxide, salinity, temperature, and barometric pressure. The instruments used to collect these data include barometric pressure sensor, carbon dioxide (CO2) gas analyzer and thin film type equilibrator for autonomous carbon dioxide (CO2) measurement.

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-31 cruise (EXPOCODE 35MV20210113) in Indian Ocean from 2021-01-13 to 2021-03-04. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-30 cruise (EXPOCODE 35MV20200106) in Indian Ocean from 2020-01-06 to 2020-02-01. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-32 cruise (EXPOCODE 35MV20220210) in Indian Ocean from 2022-02-10 to 2022-03-02. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-29 cruise (EXPOCODE 35MV20190106) in Indian Ocean from 2019-01-06 to 2019-02-09. The OISO program (Océan Indien Service d'Observations, supported by INSU/CNRS), initiated in 1998, collects measurements of CO2 and associated parameters (T, S, DIC, TA, O2, nutrients, Chl-a, 13C, 18O) along the repeated lines of R/V Marion Dufresne (IPEV-TAAF) in the South-Western Indian and Southern Oceans. This coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international synthesis (SOCAT, GLODAP).

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-32 cruise (EXPOCODE 35MV20220210) in Indian Ocean from 2023-01-23 to 2023-02-22. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).

This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-28 cruise (EXPOCODE 35MV20180105) in Indian Ocean from 2018-01-05 to 2018-02-09. The OISO program (Océan Indien Service d'Observations, supported by INSU/CNRS), initiated in 1998, collects measurements of CO2 and associated parameters (T, S, DIC, TA, O2, nutrients, Chl-a, 13C, 18O) along the repeated lines of R/V Marion Dufresne (IPEV-TAAF) in the South-Western Indian and Southern Oceans. This coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international synthesis (SOCAT, GLODAP).