A year from the Antarctic

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Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.

Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)

Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)

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)

Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)

Instrumented buoy (Photo : David Luquet)

Profiling float (Photo : David Luquet)

Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)

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Drifting profiling floats in the Atlantic

Ctenaria Lampetia pancerina (Photo : Fabien Lombard)

Vue sous-marine d'un groupe de mésocosmes (© Stareso)

Instrumented buoy (Photo : Emilie Diamond)

Instrumented buoy (Photo : David Luquet)

Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.

Siphonophores Forskalia formosa (Photo : Fabien Lombard)