My interests are the global general circulation in ocean and atmosphere, waves and air-sea fluxes .

Currently I am involved in the following projects:

• I am the leader of the Dutch ARGO Project, which is part of the International ARGO project . The first three Dutch floats have been deployed in the August of 2004, followed by four in 2005. Some results can be found here. We participate in Euro Argo, a European project to consolidate the European contribution to Argo.
• I am participating in the development of EC-Earth, a global coupled climate model.
• In a project funded by NWO (Dutch Organization for Scientific Research) I am looking at the biogeochemistry of the ocean as part of EC-Earth.
• SEAMOCS - A Marie Curie Research Training Network funded by the EU. The network started on 1 November 2005. It brings together scientists from the fields of mathematical statistics, structural mechanics, coastal protection and climate to improve our knowledge about the safety of marine constructions.
• ESSENCE - a project within the DEISA distributed supercomputing initiative. A large-member ensemble of runs with a state-of-the-art climate model has been performed to investigate the range of possible future climate change.

Completed projects:

• Study of atmospehric teleconnections and their possible changes in a changing climate.
• Assessing the wave climate resulting from ECMWF's fourty year reanalysis (ERA-40) The work was mainly done by Sofia Caires, who developed the web-based KNMI ERA-40 Wave Atlas.
• Comparison of wave climates resulting from different sources (in situ observations, model, satellite altimetry). This work is done together with P.G. Challenor, D.K. Woolf (both Southampton), S.K. Gulev (Moscow), and R. Bortkovskii (St. Petersburg).

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