SST satellite images analysis has provided us a new description of the surface circulation in the eastern basin of the Mediterranean Sea. It showed many characteristics for a lot of mesoscale eddies. In this study, the SST analysis is focalised on the upwelling structure showing by images, in the eastern basin of the Mediterranean Sea, which has an important biological reflection at the marine environment. We have analyzed images for different periods to identifier this phenomena's places and this will be help us in situ nutrient observations.