Seafloor Magnetotelluric Investigation of Hot Spot and Swellof TEAHITIA (Jointly with French MEGELLAN Program)

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This project is part of a cooperative magnetotelluric experiment with the French on the South Pacific superswell. Instruments will be deployed for 4 months using French ships. The purpose is to determine conductivity structure beneath the superswell the data should help discriminate models of plumes and lithospheric thinning. Data will also be used to look at oceanographic motions and these will be used to remove noise from data for analysis of earth conductivity. Modelling will also be done. %%% Electromagnetic techniques provide data on the deep structure of the earth that cannot be obtained by other means. The data obtained here should proved a unique view of deep mantle plume structure that will be important for providing constraints on the effects of hot spots on oceanic lithosphere. Dr. Filloux is a pioneer in the field of oceanic electromagnetic sensing.