Ocean is an integral part of our environment, upon which many depend for survival, and it is a basic element of the Earth’s climate. It is also an important site of transit for both goods and people. Therefore, understanding both the state of the ocean and the ways in which it might change is crucial.
Pierre Bahurel and his team from Mercator Ocean in France have, together with ESEOO in Spain, developed a global eddy-permitting model which allows a realistic representation of the main ocean currents.
They have also been able to study for the first time the coupling between sea ice and a global eddy-permitting ocean. Understanding this coupling is essential to efforts to realistically simulate circulation in the high latitude ocean, which has consequences for large-scale ocean circulation and deep water formation.
Achievements have also been made at a more regional level, especially in the North Atlantic area. The research group has managed to represent correctly the Gulf Stream pathway and in particular the separation of the current from the coast at Cap Haterras to become a zonal jet in the Atlantic.
A supercomputing infrastructure is essential for oceanographic modelling in order to generate ever more realistic simulations of the ocean’s behavior. Computation capacities provided by DEISA (Distributed European Infrastructure for Supercomputing Appications) have enabled research group to carry out interannual simulations, which are crucial for testing the validity of the models, for setting up systems of operational oceanic forecasting, and for deepening the understanding of the ocean more generally.
More information on Pierre Bahurel’s research available at http://www.deisa.org/press/GROM.pdf
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The unintended consequences of dams and reservoirs
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Researchers at the University of New Hampshire have captured a difficult-to-view singular event involving "magnetic reconnection"--the process by which sparse particles and energy around Earth collide producing a quick but mighty explosion--in the Earth's magnetotail, the magnetic environment that trails behind the planet.
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Faster and secure data communication: This is the goal of a new joint project involving physicists from the University of Würzburg. The German Federal Ministry of Education and Research funds the project with 14.8 million euro.
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On Saturday, 10 November 2018, the research icebreaker Polarstern will leave its homeport of Bremerhaven, bound for Cape Town, South Africa.
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