Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
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)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Instrumented buoy (Photo : David Luquet)
Carte bathymétrique mondiale
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Acantharia (Photo : Fabien Lombard)
Amphipode crustacean (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni