In order to improve our knowledge of the environmental impacts of seismic operations on the continental shelf of Guyana, MAREE has conducted acoustic measurements in 2005. The data processing allowed to provide quantitative informations, useful to give recommendations to protect marine species on site, in particular turtles.

Left, available data versus time. Right : Top, picture of the seismic ship. Middle, results of airgun shot detetion algorithms. Below, propagation loss versus range at 200Hz.

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