Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
The research vessel "James COOK"
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Carte de la camapagne du navire oceanographique James COOK
Le trajet du bateau sur fond couleur de la mer.
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Acantharia (Photo : Fabien Lombard)
Siphonophore (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Surface chlorophyll a concentration in the Mediterranean Sea.
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
Acantharia (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)
Rosette for collecting seawater samples
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
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)
Quizz observation This quizz is about the concepts covered in the topic : observation of the oceans and seas.
