JPOC - Appel à projet transnational sur la prochaine génération de recherches sur le climat en Europe pour les océans

Improving the representation of small-scale nonlinear ocean-atmosphere interactions in Climate Models by innovative joint observing and modelling approaches – EUREC4A-OA

Submission summary

EUREC4A-OA will implement ad-hoc innovative observations and a hierarchy of numerical simulations focusing on mesoscale and submesoscale ocean dynamics and the atmospheric boundary layer at scales ranging from 20 m to 1000 km over the northwest tropical North Atlantic. The aim is to advance our knowledge of the phenomenology and representation of air-sea interactions, physical and biogeochemical ocean small-scale non-linear processes in ESMs but also in NWPs, S2Ss and decadal forecasts operational systems.

EUREC4A-OA will bring together international specialists of ocean, atmosphere physical and biogeochemical observations and numerical modelling as well as scientists working on numerical parameterization, operational systems and future projections to address four objectives: 1) Assessing the impact of the diurnal cycle on energy, water and CO2 ocean-atmosphere exchanges and quantifying the modification of diurnal cycle and the related exchanges by meso-scale and submeso-scale features and other extreme conditions; 2) The identification and quantification of the processes ruling the ocean-atmosphere exchanges and uptake of heat, momentum and CO2 at the ocean nonlinear small scales (from a few tens of meters to 500 km); 3) The role of various processes (diurnal cycle, ocean nonlinear small scales, boundary layer aerosols) on the atmosphere shallow convection and cloud formation; 4) To provide improved models metrics and parameterizations for the above processes to be integrated in operational prediction systems and ESMs.

EUREC4A-OA associated partners (12 international institutions contributing with more than 35 scientists) will cooperate in integrating new knowledge into improved model metrics and parameterizations. EUREC4A-OA results will enhance capability to deliver novel information that will have a significant impact on science and society.

Project coordinator

Madame Sabrina Speich (Laboratoire de météorologie dynamique)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

NERSC Nansen Environmental and Remote Sensing Center
CNRS-LEGOS Laboratoire d'études en géophysique et océanographie spatiales
CNRS-LOCEAN Laboratoire d'océanographie et du climat : expérimentations et approches numériques
UIB University of Bergen
MPI Max Planck Institute for Meteorology - Max Planck Geselleschaft
CNRS-CNRM Centre national de recherches météorologiques
UNIMIB Università degli Studi di Milano Bicocca
ENS-LMD Laboratoire de météorologie dynamique
UBO-LOPS Université de Bretagne Occidentale (UBO, Laboratoire d'Océanographie Physique et Spatiale (LOPS)
HZG Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH
GEOMAR GEOMAR Helmholtz Centre for Ocean Research Kiel
CIMA Centro Internazionale In Monitoraggio Ambientale

Help of the ANR 500,090 euros
Beginning and duration of the scientific project: May 2020 - 36 Months

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