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The Late Jurassic deposits in the South-East Basin (France) were interpreted as turbidites, tempestites or shallow water lobes… The controversy lasts since the former paper of Haug (1902). I contributed to develop the tempestite interpretation significantly.
The storm wave base is a very old concept in sedimentology. It is the water depth down to which geological recording of wave-dominated facies is possible. I promoted an extension of this concept to include paleo-systems submitted to extreme waves.
We reconstruct the paleo-hydrodynamics of the lake MegaChad. The comparison in between the computations and the observation of Holocene littoral paleo-geomorphic features (by satellite imagery) allows to determine which kind of paleo-winds occured during the Holocene.