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PlanetSolar concludes her TerraSubmersa expedition and sets sail for Venice (Italy)!

26.08.2014

Terrasubmersa, the archaeological mission led by the University of Geneva (UNIGE) aboard the MS Tûranor PlanetSolar ended on last Friday, after almost a month in Greece, of which 11 days were dedicated exclusively to science.

The expedition’s objective was to explore the prehistoric landscapes that have been submersed by the waters in the Argolic Gulf (Greece), and identify traces of human activity. Aboard the MS Tûranor PlanetSolar and a Greek research vessel, the Alkyon, the scientists took geophysical measurements and carried sub-aquatic excavations in the Bay of Kiladha.


PlanetSolar in Nafplio, 7. Aug. 2014

Pictures © PlanetSolar

The research was preceded by three stopovers, all of which were marked with successfully organized events and visits of the boat. On August 23, the largest solar-powered boat in the world set sail for Venice (Italy), her next and last stopover of 2014.

Since July 28, the MS Tûranor PlanetSolar has travelled through Greece as part of the UNIGE-led TerraSubmersa expedition. This mission was divided into two distinct phases. The first was to introduce the archaeologists’ work among the public and local authorities through a series of events organized along the three stops (Eretria, Athens, Napflio), while the second phase was exclusively dedicated to archaeological research in the Argolic Gulf.

“The catamaran’s spacious liveable surface and her complete energy independence, as well as her low draught and great maneuverability made it an optimal work platform for the researchers. Once again, the MS Tûranor PlanetSolar has shown that she is an ideal base for scientific research, and reaffirms her many versatile uses!” declared the ship’s captain, Gérard d’Aboville.

PlanetSolar is extremely satisfied with this mission. At each stopover, the ship was met with enthusiasm by the public, and drew the attention of Greek authorities. Thus, more than 2,000 people stepped through the catamaran’s walkway. Moreover, PlanetSolar had the opportunity to welcome local political figures aboard, including Konstantinos Tassoulas, the Greek minister of culture, Giannis Maniatis, the Greek minister of the environment, energy, and climate change, as well as the wife of the Greek Prime Minister Antonis Samaras. On the Swiss side, PlanetSolar also notably welcomed Walter Steinmann, director of the Federal Energy Office (OFEN).

Currently, the ship and her crew are sailing towards Venice. They are expected to drop anchor in the City of Doges on September 4.

Preliminary results of the TerraSubmersa Expedition

This Greek-Swiss expedition, led by UNIGE in collaboration with the Laténium of Neuchâtel, the Greek Service for Underwater Antiquities, the Swiss School of Archeology in Greece, and the Hellenic Center for Maritime Research, aimed to explore the prehistoric landscapes that have been submerged by the waters of the Argolic Gulf, in order to map them and to identify any potential traces of human activity.

At the end of the last Ice Age, about 20,000 years ago, the sea level was considerably lower than it is today. By mapping the landscapes that have disappeared underwater, archaeologists hope to understand the dynamics through which coastal zones were populated. In the TerraSubmersa expedition, research focused on the Franchti cave, located on the northern shore of the Bay of Kiladha, which was used for close to 35,000 years, from the Paleolithic to the Neolithic ages. “We collected fantastic data, whose analysis will take two years of work,” enthuses Julien Beck, the expedition’s lead scientist. “The preliminary results are encouraging!”. In fact, by mapping the seabeds, the researchers found paleobeaches dating back to different periods in prehistory. All signs lead to believe that these beaches were visited by the users of the Franchti cave, in which scientists recovered shells and the fish bones. Furthermore, faults indicating tectonic shifts in the Argolic Gulf have been detected with the echo-sonar installed aboard the solar-powered ship. These faults could explain the difference in depth of the paleobeaches.

About PlanetSolar

The MS Tûranor PlanetSolar, built in Kiel (Germany) is a catamaran that is powered exclusively through solar energy. On May 4, 2012, after 584 days at sea and more than 60,000 km, the MS Tûranor PlanetSolar completed the first solar-powered trip around the world.

After an important maintenance operation, the ship left La Ciotat (France) on April 8, 2013, in order to reach the American coast and start on her second life, transforming herself into a scientific platform for the “PlanetSolar DeepWater” expedition, led by the University of Geneva. This mission’s objective was to collect a continuous series of physical and biological measurements along the Gulf Stream, both in the water and in the air, thanks to state-of-the-art instruments. After this success, the MS Tûranor PlanetSolar spent a winter at the Eric Tabarly Sail City in Lorient (France). As part of the museum’s exhibitions, the boat was opened to the public as well as to school groups during her stay, while also undergoing maintenance work.

Gérard d’Aboville, who was already the ship’s captain during her 2013 campaign, once again finds himself leading the Swiss solar-powered boat for her 2014 expeditions. He is assisted by Brieuc Delbot (second in command), Antoine Simon (electrical engineer) and Vincent Brunet (cook and intendant), who were also already present in 2013.

PlanetSolar SA

Tel: +41 21 310 84 10 E-mail: press@planetsolar.org

http://www.planetsolar.org

PlanetSolar press | PlanetSolar SA

Further reports about: MS PlanetSolar activity catamaran landscapes measurements

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