All Regions Workshop #2, Paris 5-7th Oct V. Lykousis 1 and A. Tselepides 2 1 Hellenic Centre for Marine Research 2 University of Pireous The The HELLENIC NODE: Present status and future prospects
SE Ionian site Pylos-Nestor site ESONET Rhodos Basin Olympi field (Napoli-Milano MV) Samaria gorge Cretan Basin HELLENIC TRENCH SYSTEM Rhodos Aquarium Cretan Aquarium
-Unique geodynamic regime/seicmicity/high tsunami potential -Deep/cold water convection/ climate change monitoring -Sperm whale populations -Deep extreme environments/ mud volcanoes/brine lakes Scientific significance (topics of the node) KM3NET EUROSITES HERMES HERMIONE SESAME MARINERA TRANSFER SEHELARC
m Sal, Temp, 500m PAL(Passive Acoustic Listener) POSEIDON-II BUOY AND SEA BED OBSERVATORY Pressure sensor Sal, Temp NESTOR 4.5 NESTOR 5.2 Since 1/2006 Infrastructure at the node (offshore) Meteo, curents, waves
Online: data/Pylos buoy/time series Kostas Nittis: George Petychakis:
Online: data/ Pylos buoy/time series Kostas Nittis: George Petychakis:
High frequency (15sec) depth timeseries Pressure (tsunami) sensor Earthquake 5.4R Nov 2008
Depth disturbances (trouble shooting)
PAL integrated with Poseidon System Biological data: 4.5sec sound bites (records) marine animals and not only Ship’s engine Whale Dolhpin Marios Anagnostou:
Poseidon data base System On line PAL data: using the Poseidon data base system averaged every three hours Number of marine mammals Rainfall rate (mm/hr) Wind speed (m/s) Buoy sites Pylos Parameters
Infrastructure at the node (onshore)
DELTA VERENIKI Three thrusters Heave compensator Dynamic Position 51m Infrastructure at the node (vessels) ROV 4500m
NESTOR site 5.2 NESTOR site 4.5 POSEIDON-II buoy and seabed observatory 48km Poseidon-III SEABED OBSERVATORY- Passive Acoustic Listener -Radon sensor ? ? Co operations/contributions more than available