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Authors: Beranzoli, L.* 
Braun, T.* 
Calcara, M.* 
De Santis, A.* 
Di Mauro, D.* 
Etiope, G.* 
Favali, P.* 
Frugoni, F.* 
Montuori, C.* 
Palangio, P.* 
Romeo, G.* 
Smriglio, G.* 
Gamberi, F.* 
Marani, M.* 
Fudà, J.* 
Millot, C.* 
Title: GEOSTAR, an observatory for deep sea geophysical and oceanographic researches: characteristics, first scientific mission and future activity
Journal: Memorie della Società Geologica Italiana 
Series/Report no.: 55 (2000)
Issue Date: 2000
Keywords: Deep-sea researches with multidisciplinary observatories
Tyrrhenian Sea
Subject Classification05. General::05.02. Data dissemination::05.02.99. General or miscellaneous 
Abstract: GEOSTAR (GEophysical and Oceanographic STation for Abyssal Research) is a project funded by in the 4th Framework Programme of the European Commission, with the aim of developing an innovative deep sea benthic observatory capable of carrying out long-term (up to 1 year) scientific observations at abyssal depths. The configuration of the observatory, conceived to be a node of monitoring networks, is made up of two main subsystems: the Bottom Station, which in addition to the acquisition and power systems and all the sensors also hosts the communications systems; and the Mobile Docker, a dedicated tool for surface-assisted deployment and recovery. At present the Bottom Station is equipped with a triaxial broad-band seismometer, two magnetometers (fluxgate and scalar), CTD, transmissometer, ADCP, but it can easily host other sensors for different experiments. The first phase of the project, started in November 1995, was concluded with the demonstration mission in Adriatic Sea at shallow water depth (42 m) in August - September 1998. Some preliminary results of this first scientific experiment are presented and discussed. The second phase, started in 1999, will end with a long-term deep sea scientific mission, scheduled during 2000 for 6-8 months at 3400 m.w.d. in the southern Tyrrhenian bathyal plain.
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