Descrizione del progetto
L’impatto del ghiaccio marino artico e del fitoplancton sui cambiamenti climatici
I cambiamenti climatici hanno già inflitto gravi danni a persone e proprietà in tutto il mondo, costringendo Paesi e organizzazioni ad agire per ridurne l’impatto e mitigarne le conseguenze. Il declino del ghiaccio marino nell’Oceano Artico è considerato un fattore significativo che contribuisce ai cambiamenti climatici e la sua rapida diminuzione desta preoccupazione fra gli scienziati. Inoltre, la recente scoperta di consistenti fioriture di fitoplancton sotto i ghiacci, che svolgono un ruolo cruciale nell’ecologia dell’Oceano Artico, solleva numerose domande importanti. Il progetto CAP-ICE, finanziato dall’UE, intende stabilire e coordinare una rete di ricerca internazionale incentrata su tali fioriture di fitoplancton e sul loro impatto sul ciclo del carbonio artico e sui cambiamenti climatici. Per raggiungere questo obiettivo, il progetto sfrutterà tecnologie avanzate e condurrà osservazioni sul campo in tutto l’Artico.
Obiettivo
Over the last decades, sea-ice in the Arctic Ocean (AO) has undergone unprecedented changes, with drastic decline in its extent, thickness and duration. Modern climate models are unable to simulate these changes, leading to large uncertainties in Arctic and Global Change predictions. Sea-ice strongly attenuates solar radiation and it is generally thought that phytoplankton, which drives Arctic marine CO2 sequestration, only grow in open waters once sea-ice retreats in spring. However, the discovery of large under-ice phytoplankton blooms (UIBs) growing beneath sea-ice contradicts this paradigm. UIB productivity in ice-covered regions has been suggested to be ten-fold larger than presently modeled. By initiating an international network (USA, France, Canada, Germany, Norway), the CAP-ICE project will acquire knowledge on the occurrence of UIBs, the physical mechanisms that control their initiation and productivity, and will quantify how UIBs affect the Arctic carbon cycle and climate.
CAP-ICE will equally combine observational, modeling and novel technology approaches. Multiple pan-Arctic expeditions will provide new field observations on the environmental conditions controlling UIBs. Since UIBs are invisible to ocean color satellite sensors, developing a novel model adapted to under-ice environments will allow quantifying the contribution of UIBs to the Arctic carbon cycle. Finally, the recent launch of autonomous robotic platforms (Bio-Argo floats) will support the first assessment of UIB primary production and carbon export in AO and the implementation of a Bio-Argo Arctic network. These inter-disciplinary and innovative activities will establish a two-way exchange of knowledge between the researcher/fellow and the host institutions and enhance their European and international competitiveness. Outcomes of CAP-ICE will have an impact on the European strategy for global ocean observations, enhance European research excellence, and address a major societal challenge.
Campo scientifico
CORDIS classifica i progetti con EuroSciVoc, una tassonomia multilingue dei campi scientifici, attraverso un processo semi-automatico basato su tecniche NLP.
CORDIS classifica i progetti con EuroSciVoc, una tassonomia multilingue dei campi scientifici, attraverso un processo semi-automatico basato su tecniche NLP.
- natural sciencesearth and related environmental sciencesatmospheric sciencesmeteorologysolar radiation
- natural sciencesbiological sciencesecologyecosystems
- natural sciencesearth and related environmental sciencesoceanography
- natural sciencesearth and related environmental sciencesatmospheric sciencesclimatologyclimatic changes
- natural sciencesearth and related environmental sciencesgeochemistrybiogeochemistry
Programma(i)
Argomento(i)
Meccanismo di finanziamento
MSCA-IF-GF - Global FellowshipsCoordinatore
75006 Paris
Francia