Marnaut news
MarmaraDM and Marmesonet cruise
Marmara DM is a demonstration mission funded by ESONET European Network of Excellence and coordinated by Louis Geli at Ifremer (France).
Partners are Istanbul Teknik Universitesi (Turkyie), ISMAR (Bologna, Italia), INGV (Roma, Italia), CNRS/CEREGE (France), Dokuz Eylul Universitesi (Izmir, Turkyie).
Marmesonet is a cruise of Ifremer RV Suroît planned within this framework and provisionally scheduled August 23 - October 2, 2009.
The purpose of Marmesonet is to perform site surveys of instrumented sites with HR seismics and AUV,
to map gas emissions in the Sea of Marmara, and to deploy long term instruments
(seismometers, piezometers, flowmeters and fluid samplers, chemical sensors, active acoustic monitoring) aimed at monitoring fluid parameters.
Meawhile, KOERI (Bogazici University, Istanbul, Turkey) will be the deploying in 2009 five permanent seafloor stations (with seismometers and accelerometers) for earthquake monitoring,
connected to land with fiber optic cables. The KOERI project is not part of the MarmaraDM demonstration mission.
Marnaut cruise
A cruise of Atalante RV with manned submersible Nautile took place in the Sea of Marmara, May 12 to June 12, 2007 [communiqué de presse][press release].
The Nautile performed 30 dives for visual observation, video and photography, in situ sampling of gas, water, sediment and rocks, biological and microbiological sampling, deployment of long term instruments (flow meters and water samplers).
Operations from the ship were coring and pore fluid extraction, heat flow and pore pressure measurements, water column (EK-60) and sediment (Chirp) sounding, CTD measurements and sea water sampling, and deployment of instruments (OBSs and piezometer). These instruments will be recovered in September.
Cruise report and Marnaut updates will be posted on the Marnaut page, also acessible through the Marnaut item in the menu.
Data for shipboard participants is accessible with a password through the Marnaut data item in the Menu or through the Marnaut page.
Marmara Sea is an ESONET observatory site
The European Seas Observatory Network is a Network of Excellence, which purpose is to create an organisation capable of implementing, operating and maintaining a network of multidisciplinary ocean observatories in deep waters around Europe from the Arctic Ocean to the Black Sea. Marmara Sea is 1 of 11 observatory sites planned within ESONET. Coordinator is Rolland Person (IFREMER, Brest). Partners of the Marmara observatory are ITU-EMCOL (Turkey, Namik Cagatay), KOERI (Turkey, Cemil Gurbuz), Izmir University (Turkey, Gunay Cifci), ISMAR (Italy, Alina Polonia) and CEREGE-CdF (France, Pierre Henry).
Funding for observatory demonstrations will be available through ESONET by internal call. It is agreed that some demonstration operations can take place during Marnaut, although it is not the primary objective of this cruise.
North Anatolian Fault - San Andreas Fault workshop in Istanbul
The NAF-SAF workshop, held at Istanbul Technical University (August 14-16, 2006), was a great opportunity to discuss future collaborative projects in Marmara Sea [photos of Istanbul and field trips]
Oral presentation and poster from the CEREGE-CdF team
Cold seeps along the Main Marmara Fault: context and perspectives for monitoring
Pierre Henry, Tiphaine Zitter, Fabienne Fornacciari, Louis Geli
[abstract pdf] [presentation pdf] [full presentation=(fichier ppt,clip1,clip2)]
Slope instability in the Sea of Marmara and relationship with active faulting
Tiphaine Zitter, Pierre Henry, Mehmet Sinan Ozeren
[abstract pdf] [poster pdf] [poster tiff]
Mapping of slope instabilities in Marmara Sea
ANR-ISIS (coordinated by N. Sultan, Ifremer) funds the identification and mapping in ArcGIS of slope instability areas based on currently available data (multibeam bathymetry and reflectivity, high and ultra high resolution seismics). Tiphaine Zitter is running this project.
Mapping of fluid seepage sites in Marmara Sea
Video observations and microbathymetry acquired during the MARMARASCARPS cruise were imported into a Adelie-ArcGIS station at CEREGE-CdF. Manifestations of fluid outflow were classified and mapped (black sulfide patches: diamonds; bacterial mats: circles; authigenic carbonates: hexes; chimneys: stars). Student project report is available here [Rapport de Master]
