Hi, I am looking for a simple way to plot the velocity of the respective gridbox next to the bottom (something like the bottom velocity) Has anybody solved this problem already? Many thanks Johann -- Dr. Johann H. Jungclaus Max- Planck- Insitut fuer Meteorologie Bundesstrasse 55 20146 Hamburg Germany Tel +49 40 41173 109 Fax +49 40 41173 298 email jungclaus@dkrz.de