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LIDO Demonstration Mission (LIDO-DM) “ LIstening to the Deep Ocean ”

LIDO-DM aims to operate a seafloor observatory network in the Mediterranean, focusing on tsunami signal detection and mammal tracking. The network aligns with the GEOSTAR and NEMO-SN1 observatories.

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LIDO Demonstration Mission (LIDO-DM) “ LIstening to the Deep Ocean ”

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  1. LIDO Demonstration Mission (LIDO-DM) • “LIstening to the Deep Ocean” The DM objectives are: geo-hazard and bio-acoustics • LIDO-DM will operate a first nucleus of seafloor observatory network at Mediterranean scale in two ESONET/EMSO sites by aligning to the same performances GEOSTAR observatory (Iberian Margin, Gulf of Cadiz) and NEMO-SN1 cabled observatory (Eastern Sicily, Western Ionian Sea) • The network will perform an experiment of: • tsunami signal detection (early warning system prototype) • mammals tracking

  2. GEOSTAR (Iberian Margin) is acoustically and satellite linked to shore: only relevant data and event notification available in almost real time, all data at the recovery of the station NEMO-SN1 (Eastern Sicily) is cabled: all data available in real time at the shore station GEOSTAR (acoustic+satellite link) & NEMO-SN1 (cabled) main features/functions Both observatory will perform real-time analysis at seafloor of water pressure and seismic data with a tsunami early warning system prototype (already tested during NEAREST EC project 2007/2008 mission) 5-7 Oct. 2009 All Regions Workshop #2

  3. EMSO Iberian Margin site Acoustically linked observatory NEARESTEC Project (2006-2010) Integrated observation from NEAR shore sourcES of Tsunamis: towards an early warning system Portugal N-E Atlantic GEOSTAR Gulf of Cadiz 85 km off-shore 3200 m w.d. ML=4.7 Gulf of Cadiz (Jan. 11, 2008) SISM ACC SISM APG (raw data) ACC (http:// nearest.bo.ismar.cnr.it/) ML=4.7P arrival

  4. Satellite Link Buoy Acoustic transmission MODUS GEOSTAR LIDO-DM Iberian Margin set-up

  5. LIDO-DM Iberian Margin payload (*) tsunami early warning system

  6. LIDO-DM Iberian Margin: Communications and data distribution Service station (backUp) Satellite link Buoy Main station (INGV-Roma) Acoustic link LAN - Internet link data distribution (mailboxes, web server) 5-7 Oct. 2009 All Regions Workshop #2

  7. LIDO-DM Iberian Margin cruise The GEOSTAR observatory and the surface relay buoy was deployed by R/V Sarmiento de Gamboa in November 10 off Algarve in the same location of the 2007-2008 NEAREST experiment at 3200 m w.d. (area B)

  8. LIDO-DM Iberian Margin cruise

  9. e-mail messages

  10. NEAREST GEOSTAR Periodic Data Messages time seismometer

  11. Safety light GPS antenna Globalstar antenna ARGOS beacon

  12. GEOSTAR Deployment:11 November 2009 • Periodic messages sent every 6 hours until 24 Dec • Argos beacon localization from deployment until 24 Dec • 25 Dec 2009: loss of any communication from the buoy

  13. Picture taken by a planeon Dec 31, 2009

  14. Picture taken by Portuguese Navyon Jan 10, 2010 The whole upper part of the buoy is lost (Satellite & GPS antennas, ARGOS beacon, safety light, meteo station)

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