Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

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

More articles from Power and Electrical Engineering:

nachricht Electromagnetic water cloak eliminates drag and wake
12.12.2017 | Duke University

nachricht Two holograms in one surface
12.12.2017 | California Institute of Technology

All articles from Power and Electrical Engineering >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Long-lived storage of a photonic qubit for worldwide teleportation

MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.

Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...

Im Focus: Electromagnetic water cloak eliminates drag and wake

Detailed calculations show water cloaks are feasible with today's technology

Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...

Im Focus: Scientists channel graphene to understand filtration and ion transport into cells

Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.

To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...

Im Focus: Towards data storage at the single molecule level

The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.

Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...

Im Focus: Successful Mechanical Testing of Nanowires

With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong

Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

See, understand and experience the work of the future

11.12.2017 | Event News

Innovative strategies to tackle parasitic worms

08.12.2017 | Event News

AKL’18: The opportunities and challenges of digitalization in the laser industry

07.12.2017 | Event News

 
Latest News

A whole-body approach to understanding chemosensory cells

13.12.2017 | Health and Medicine

Water without windows: Capturing water vapor inside an electron microscope

13.12.2017 | Physics and Astronomy

Cellular Self-Digestion Process Triggers Autoimmune Disease

13.12.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>