Instrumented buoy (Photo : Emilie Diamond)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Squid larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
Diatom genus Coscinodiscus (Photo : Sophie Marro)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)
Surface chlorophyll a concentration in the global ocean.
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Rosette for collecting seawater samples
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Mollusk (Photo : Fabien Lombard)