"Investigation of the long-term variation of the hydrographic stratification in the German Bight on the basis of historical data" by order of the Umweltbundesamt Berlin, carried out at the Deutsches Hydrographisches Institut Hamburg.   "Conception und software development for the processing of digital tide gauge data" at the Deutsches Hydrographisches Institut Hamburg.   "The influence of Maud Rise onto the stratification and the circulation of the Weddell-Gyre" by order of the Deutsche Forschungsgemeinschaft, carried out at the Deutsches Hydrographisches Institut Hamburg.   "Investigation of the spatial and temporal variation of the thermohaline stratification in the German Bight with a numerical model" by order of the Umweltbundesamt Berlin, carried out at the Bundesamt für Seeschiffahrt und Hydrographie Hamburg.   "Prognostic modelling of the thermohaline stratification in the German Bight" by order of the Federal Ministry of Transport, carried out at the Institut für Meereskunde of the University of Hamburg.   "Development of a focusing, three-dimensional, baroclinic shelfsea model" by order of the European Union (MAST-PROFILE), carried out at the Institut für Meereskunde of the University of Hamburg.   "Development and application of coupled ocean-atmosphere-models with regard to the dynamics of natural climate variability and its predictability" by order of the Federal Ministry of Research and Technology, carried out at the Max-Planck-Institut für Meteorologie Hamburg.