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)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)
Instrumented buoy (Photo : Emilie Diamond)
Instrumented buoy (Photo : David Luquet)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Underwater glider (Photo : David Luquet)
Préparation des mésocosmes sur le ponton du laboratoire d'Océanographie de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Annelid worm (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)
Colony of salps Salpa fusiformis (Photo : Fabien Lombard)
Diatom genus Rhizosolenia (Photo : Sophie Marro)
Carte de la camapagne du navire oceanographique James COOK
Le trajet du bateau sur fond couleur de la mer.
Tunicata Pyrosoma (Photo : Fabien Lombard)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana
