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handle: 10261/366912
[EN] Since pre-industrial Era the atmospheric carbon dioxide (CO2) concentrations increased from 280 parts per million vol. (ppmv) to more than 418 ppmv registered presently (Dlugokencky & Tans, 2023), reaching the highest concentration experienced on Earth for the last 800 thousand years. If global emissions of CO2 continue to rise as the same rate as in the period 2006-2015, the average pH of the ocean’s surface water will continue to decline and could potentiate dramatic impacts, already observed in marine biota, especially on carbonated organisms (e.g. Bijma et al., 2013). To investigate the evolution of ocean acidification along the Iberian coastal upwelling system and evaluate its impact on carbonated organisms (coccolithophores, pteropods, planktonic and benthic foraminifera, and corals), we carried out the research cruise CARBO-ACID (EUROFLEETS+), between the 2nd and 11st August 2022, onboard of the RV Ramón Margalef. [...]
[PO] Para investigar os potenciais efeitos da acidificação nos organismos carbonatados (cocolitóforos, ptéropodes, foraminíferos planctónicos e bênticos, e corais) ao longo da margem Ibérica, realizou-se a Campanha Oceanográfica CARBO-ACID, financiada pelo programa EUROFLEETS+. Nessa campanha foram recolhidas amostras da coluna de água, plâncton, corais e sedimentos para avaliar, os efeitos da acidificação em toda a coluna de água desde a Era pré-industrial até ao Presente. As amostras recolhidas permitirão comparar as variações de pH da água sob diferentes condições forçadoras e estimar a amplitude das mudanças biogeoquímicas no oceano costeiro, à medida que a influência antropogénica aumenta. Ou seja, irão contribuir para melhorar a modelação da resposta do biota às alterações de pH esperadas no oceano num futuro próximo
This campaign was funded by the EUROFLEETS + (SEA2-19). [...] The analysis were supported from several projects: FCT-CCMAR funding UIDB/04326/2020, MIT-EXPL/SOE/0024/2019, 2022.05765.PTDC, and EXPL/CTA-GEO/1518/202
XI Congresso Nacional de Geologia (XI GNG), Geociências e Desafios Globais, 16-20 July 2023, Coimbra.-- 2 pages, 2 figures
Peer reviewed
Acidification, Acidificação, Paleoceanografia, Paleoceanography, Afloramento costeiro, Organismos carbonatados, Oceanografia, Oceanography, Coastal upwelling, Carbonated organisms
Acidification, Acidificação, Paleoceanografia, Paleoceanography, Afloramento costeiro, Organismos carbonatados, Oceanografia, Oceanography, Coastal upwelling, Carbonated organisms
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