2022-08-23 (IPMA)
The research cruise CARBO-ACID was carried out between the 2nd and 11st August onboard the RV Ramón Margalef (Fig. 1). This cruise will allow investigating the potential effects of ocean acidification on carbonated marine organisms (coccolithophores, pteropods, planktonic and benthic foraminifera, and corals) along the Iberian margin. Oceanographic data and water, plankton, cold-water corals, and sediment samples were collected during an upwelling season along two transects coinciding with the two persistent upwelling filaments off the Iberia Margin: the Cape Finisterra and Estremadura Spur filaments (Fig. 2).
This study will focus on seawater pH trends in this seasonal coastal upwelling region from the pre-industrial Era to the Present. These new results will enable the comparison of changes occurred at different time-scales and under different forcings (natural vs. anthropogenic), and to estimate the amplitude of future changes in the ocean in terms of CO2 biogeochemistry and biota response.
This campaign (SEA02_10_Carbo_Acid) was funded by the EUROFLEETS +, an EU project funded through the HORIZON 2020 Research and Innovation Programme, that provides European research vessels available for scientific research (read full article below).
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