Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Elephant seal equipped with a sensor
Acantharia(Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Larva of decapod crustacean (Photo : Fabien Lombard)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. Duringthe austral summer,the amount of chlorophyllais so low thatthe water becomesdeepblue,almostpurple. (Photo : Joséphine Ras)
Surface chlorophyll a concentration in the Mediterranean Sea.
Dinoflagellate Ceratium macroceros var macroceros (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.
