Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Surface chlorophyll a concentration in the Mediterranean Sea.
Tunicata Pyrosoma (Photo : Fabien Lombard)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Mollusk (Photo : Fabien Lombard)
Drifting profiling floats in the Atlantic
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
Foraminifera (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Instrumented buoy (Photo : David Luquet)
Squid larva (Photo : Fabien Lombard)
Underwater glider (Photo : David Luquet)