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)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Underwater glider (Photo : David Luquet)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Crab larva (Photo : Fabien Lombard)
Ciliate (Photo : Fabien Lombard)
Krill (Photo : Fabien Lombard)
The various components of a profiling float type PROVOR
Carte de la camapagne du navire oceanographique James COOK
Le trajet du bateau sur fond couleur de la mer.
Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Profiling float (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
Amphipode crustacean (Photo : Fabien Lombard)
Ctenaria Lampetia pancerina (Photo : Fabien Lombard)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Instrumented buoy (Photo : David Luquet)
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)
