A year from the Arctic

he seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean

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

Diatom genus Hemiaulus (Photo : Sophie Marro)

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Salpes - La vie enchaînée
Bien que d’apparence primitive, les salpes sont de proches ancêtres des poissons. Lorsque les algues abondent, les salpes prolifèrent en de longues chaînes d’individus clonés.

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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Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana

Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)

Ctenaria Beroe ovata (Photo : Fabien Lombard)

Amphipode crustacean (Photo : Fabien Lombard)

Coccolithophore (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

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Underwater glider

Carte de la camapagne du navire oceanographique James COOK

Le trajet du bateau sur fond couleur de la mer.