Cross-shelf exchanges in the Black Sea were investigated using remote sensing data and an ocean circulation model to which eddy-tracking algorithm Lagrangian particle tracking was applied. An anticyclonic eddy 1998 a cyclonic 2000 detail. Eddy-induced cross-shelf transport of low salinity high Chl-a waters reached maximum presence filaments associated with these eddies. The daily mean volume by...

Numerical calculations of vortex flows in Taylor-Couette systems with counter rotating cylinders are presented. The full, time-dependent Navier-Stokes equations are solved with a combination of a finite difference and a Galerkin method. Annular gaps of radius ratio eta=0.5 and of several heights are simulated. They are closed by nonrotating lids that produce localized Ekman vortices in their vi...

Unspecified Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: http://doi.org/10.5167/uzh-77682 Accepted Version Originally published at: Ruch, Willibald (1997). Afterword: Laughter and Temperament. In: Ekman, Paul; Rosenberg, E L. What the face reveals : basic and applied studies of spontaneous expression using the facial action coding system (FACS). New York: Oxf...

Fridtjof Nansen (1897) was the first to give a sufficiently precise, physical description of dead water so that the phenomenon could be given a scientific explanation. The initial systematics of the additional resistance on a ship moving in layered waters is credited to V. Wagnfrid Ekman. He was, by his supervisor Vilhelm Bjerknes, put to perform laboratory experiments on ship generated interna...