Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
Acantharia (Photo : Fabien Lombard)
Radiolarians (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)
Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Dinoflagellate Ceratium tripos (Photo : Sophie Marro)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
Dinoflagellate Ceratium furca (Photo : Sophie Marro)
Carte bathymétrique mondiale
Diatom genus Coscinodiscus (Photo : Sophie Marro)
Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.