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<<<<<<. Why hydroacoustic. How much gas is being released, when and where To detect and map the occurrence of bubbling seep sites, gas wells/pipelines. <<<<<<. Why hydroacoustic. How much gas is being released, when and where

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  1. <<<<<< Why hydroacoustic • How much gas is being released, when and where • To detect and map the occurrence of bubbling seep sites, gas wells/pipelines

  2. <<<<<< Why hydroacoustic • How much gas is being released, when and where • To detect and map the occurrence of bubbling seep sites, gas wells/pipelines • With no disturbances, remotely, investigate and monitor the activity of bubble release

  3. <<<<<< Why hydroacoustic • How much gas is being released, when and where • To detect and map the occurrence of bubbling seep sites, gas wells/pipelines • With no disturbances, remotely, investigate and monitor the activity of bubble release • Target water column sampling to investigate methane distribution Yoyo CTD at Hydrate Ridge, Southern Summit

  4. <<<<<< Why hydroacoustic • How much gas is being released, when and where • To detect and map the occurrence of bubbling seep sites, gas wells/pipelines • With no disturbances, remotely, investigate and monitor the activity of bubble release • Target water column sampling to investigate methane distribution • Quantify gas fluxes quickly, with a wide coverage and remotely • Methods used: • Singlebeam echosounder systems (single/multi frequency, splitbeam) • Multibeam echosounder systems (quick spatial mapping) • SideScanSonar • Ships, lander, ROV based • Passive acoustics for flux and BSD determination

  5. <<<<<< Program Wednesday, 9 January

  6. <<<<<< Presentations Please leave your presentations here so that they can be distributed/put on the PERGAMON webpage. Announcement 1st UAC (mergend ECUA & UAM) Corfu, Greece; 23-28 June 2013 http://www.uam-conferences.org/ abstract deadline 15 January 2013 (300 words)

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