Quizz the ocean seasons

Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni

The research vessel "James COOK"

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Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.

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Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)

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)

The research vessel "Marion Dufresne"

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The various components of a profiling float type PROVOR

World ocean currents map

Siphonophore Forskalia formosa (Photo : Fabien Lombard)

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Animation of the biosphere obtained from the ocean color sensor SeaWiFS

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Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.

Profiling float (Photo : David Luquet)

Acantharia (Photo : Fabien Lombard)

Préparation et mise à l'eau des mésocosmes sur le ponton de l'observatoire océanologique de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)

Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)

Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)

Surface chlorophyll a concentration in the Mediterranean Sea.

Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)