GNSS/Acoustic positioning of acoustic beacons on the seafloor using an autonomous surface vehicle. Example from the FOCUS experiment offshore Sicily (Italy)
Abstract:<p>The FOCUS project funded by the European Research Council aims at monitoring deformation across an active submarine fault with an optical fiber using laser reflectometry. To calibrate the measured strains in an absolute reference frame, such as the International Terrestrial Reference Frame (ITRF), a network of eight seafloor geodetic stations was deployed on both sides of the cable and fault. The fault (North Alfeo) is located at the foot of Mount Etna collapsing slope, offshore Sicily, and sh… Show more
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