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Poséidon : the drifter of the Argonauts
Scientific workshop of the Etampes's school Geoffroy St-Hilaire



Topic : A drifter to study the Gulf Stream
Problem : What are the parameters responsible for setting in motion of a surface current as the Gulf Stream?
Summary : After long discussions and much research, the choice of study subject was finally focused on the study of ocean current : the Gulf Stream.
The project developed in collaboration with CNES, aims to design, build and test in real ocean buoy experimental measurements. Thisexperimental buoy equipped with sensors that we built is supplemented by a transmission module Argos, allowing the location of thebuoy and retrieval of data measured by sensors. The parameters studied are temperature, light and salinity at various depths belowthebuoy, to highlight the influence of these parameters on the movement of this current.
The buoy will be launching at an oceanographic mission or browsers at the start of the branch of the Gulf Stream, called "North Atlantic Drift" and we interpret the data later.




This project is led by 5 students : Eloïse CHESSON, Paul GARNIER, Etienne KUKIELZYNSKI, Jean-Michel LANCELIN et Chloé ROFFAY accompanied by 3 teachers : Yoann LEFEVRE (physical-chemistry), Valérie OLIVEIRA (SVT) et Sébastien JULIAN (STI)