OISO-30

Type Oceanographic cruise
Set This cruise is part of the set OISO - OCÉAN INDIEN SERVICE D'OBSERVATION
Ship Marion Dufresne
Ship owner TAAF
Dates 02/01/2020 - 06/02/2020
Chief scientist(s) LO MONACO Claire

LABORATOIRE D'OCÉANOGRAPHIE ET DU CLIMAT : EXPÉRIMENTATIONS ET APPROCHES NUMÉRIQUES - UMR 7159

Institut Pierre Simon Laplace

Boîte 100

4 place Jussieu

75005 Paris

+33 (1) 44 27 32 48

https://www.locean.ipsl.fr/
DOI 10.17600/18000679
Objective

The OISO cruises, initiated in 1998, aim at monitoring and understanding the evolution of oceanic CO2. Observations collected onboard R/V Marion Dufresne in the South Indian and Southern Oceans (once or twice a year) are essentials to:

  1. Contribute to the annual update of the global carbon budget by regularly feeding the international databases, notably SOCAT and GLODAP ;
  2. Better understand the variability of air-sea CO2 fluxes in the South Indian and Southern Oceans in order to evaluate the anthropogenic perturbation, and thus reduce the  uncertainty in climate predictions (validation of climate models) and better understand the process of ocean acidification.
  3. Document the variability in physical and biological processes that impact the CO2 cycle in the South Indian and Southern Oceans ;
  4. Collect in situ observations that allow the validation of autonomous observations (satellite data, Argo and BioArgo floats, biologer) ;
  5. Document environnemental changes in relation to climate variability and evaluate the impact on marine organisms (coll., MNHN, CEBC).

Published data

Metzl Nicolas, Lo Monaco Claire (2021). Surface underway measurements of partial pressure of carbon dioxide (pCO2), salinity, temperature and other associated parameters during the R/V Marion Dufresne OISO-30 cruise (EXPOCODE 35MV20200106) in Indian Ocean from 2020-01-06 to 2020-02-01 (NCEI Accession 0223954). https://doi.org/10.25921/7nqa-4455