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ROV PHOCA

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Expedition POS511 with RV POSEIDON: SANTORINI EVOLUTION

Chief Scientist: Dr. Jörg Geldmacher, GEOMAR Kiel

Expedition POS511 was conducted between the 1st and the 22nd of April, 2017, leading us to the Christiana-Santorini volcanic complex.

Main objectives of the expedition were the documentation as well as the quantitative stratigraphic sampling of the submarine caldera walls, to better understand the initiation and evoltion of volcanism in the area. To achieve these goals, photogrammetric surveys and stratigraphically controlled sampling were conducted, using the ROV PHOCA.

During POS511, 21 scientific dives in water depths between 20 and 570m were accomplished. 

Photos (unless otherwise noted): ROV-Team GEOMAR; for enquiries on utilisation of image material please contact Public Relations Dept GEOMAR or Dr. James Taylor.

 

ROV PHOCA beinig deployed (Photo: J. Geldmacher, GEOMAR).
ROV dive directly at the caldera wall of Thirasia.
Photogrammetry Setup with DeepSurveyCam on the starboard drawer and falsh array in both manipulators.
Rock sampling setup: compartmented drawers with samples after a successful dive.
Underwater landscape off Christiana (Dive ROV-7-02).
ORION sampling rocks off (Dive ROV-7-02).
The left ORION using a chisel to break off massive rocks (Dive ROV-21-06).
Underwater landscpe in the Santorini caldera (Dive ROV-34-11).