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 global ocean.
Instrumented buoy (Photo : Emilie Diamond)
Mollusk (Photo : Fabien Lombard)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Instrumented buoy (Photo : Emilie Diamond)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)