ࡱ> PRQ'` <bjbj 8B9<8(4\$, ,24+++++++$-hb0,,,WWW^+W+WW)|* OJ0*+,0,!*1k1$*1*|Wln,,#4,, , , , , , 4" International Tsunameter Partnership Meeting #5 IOC/UNESCO Building Paris 26-27 Sep 2009 Outline of Material to be Presented by Australia K Jarrott, 8 Sep 09 The following material is to be presented by Australia, as part of the disclosure of operating practices, product performance and lessons learned through Australias network of deep ocean tsunami detection stations. Some material will be presented in isolation, as a contribution to experience sharing and performance benchmarking. Other material will be the subject of collective discussion. The following information topics will be elaborated through detailed presentations or papers. As much as possible will be circulated prior to the meeting, to assist early consideration by others, and the sharing of like materials before the meeting. 1. Sea Level Observation Network Design Principles Used in Australian Network Design, based on the complimentary contribution of deep ocean and coastal monitoring stations, to provide spatial coverage of Australias tsunami threat sources, and meet planned warning times and system robustness characteristics. [PAPER to be circulated, not planned for meeting discussion] 2. Tsunameter Network Status and History Network Scope and Dispersion. Australia has a planned operational network of six tsunameters, deployed in three pairs covering threats from NE (Pacific / Coral Sea), NW (Indian Ocean) and SE (Tasman Sea). The operational network of DART"! and DART-derivative SAIC Tsunami Buoys (STBs) is supplemented by two experimental / trial sites of Easy-To-Deploy DART"! units. These are being used to assess the technology for Australian use, and to contribute to wider global trials as a basis for operational qualification (see related Topic 7 below). Stations deployed at depths of 5,000m to nearly 6,000m, in latitudes from 14deg S to 47deg S. History of Each Station, indicating operating / maintenance intervals since establishment, interruptions due to technical or other failures (component failure, mooring breakage, vandalism). Records or modelled extremes of sea state, wind, current or other stresses at specific sites. Faults and Corrective Actions. Analysis of faults (component failures, mooring failures, problems with deployment or recovery operations) and responses. Vandalism History. One event sin Indian Ocean. Potential Longevity. Network size and the interruption of stations due to faults or vandalism precludes statistically valid assessments of operational lifetime. The potential life of the deployed product technology is indicated by the longest continuously deployed stations - a surface buoy with 18 months of unattended operation, and an Ocean Bottom Unit deployed for over two years. Observations of physical condition, recovered battery state / energy reserve for recovered units. 3. Observed Operating Performance of Tsunameters Sea Level Measurement Performance and Stability. Long term stability observed in background reporting. Performance during observed small tsunami events. Data Delivery Performance (1) Background Reporting Mode. Data delivery performance for DART"! and STB stations with long continuous operating periods to be provided, indicating: % of data transmissions received vs expected; incidence and distribution of data gaps; underwater communications performance: first-try or multi-try success rates for the underwater communications link; timeliness of data receipt: data transmission latency measured from GPS transmissions from surface buoy data processing centre. Data Delivery Performance (2) Easy-To-Deploy DART. Underwater communications performance observed with different mooring lengths / watch circles. Data Delivery Performance (3) Event Mode Reporting. Data delivery performance for DART"!/ STB stations specifically during automatically triggered or manually forced event modes (with high frequency reporting of smaller message blocks), indicating: % of data transmissions received vs expected during events; incidence and distribution of data gaps during events; post-event recovery of high resolution data; Incidence of false alarms and anomalous data spikes. Physical Performance of Moorings. Observed or modelled Underwater communications performance observed with different mooring lengths / watch circles. 4. Operational / Maintenance Practices / Best Practice Exchange Mission Adaptation to Multiple Vessel Types. Wide geographic dispersion of Australias tsunameter network and the lack of dedicated access to research vessels or equivalent oblige us to conduct missions on a number of vessel types, including (so far) research vessels, fishing trawlers, sea going tugboats. History of vessels used and mission types accomplished will be presented, along with lessons learned, and ship requirements for various mission types. Safety Management on Deployment / Maintenance Missions with Different Vessel Classes and Crews. Processes applied to ensure crew safety and mission success. Operational Acceptance of a New Tsunameter Deployment. End-to-end processes used to test / qualify a tsunameter for operational use, prior to publication of the data on the GTS. Covers operations from the receipt of the of the product from the supplier, through to wharf-side operations, pre-deployment and post-deployment tests, and central office data receipt, configuration recording and data distribution operations. Network Monitoring Tools for Remote Monitoring. Practices and tools used on other observation networks for remote monitoring of data or engineering status, visual display environment, connectivity with metadata records management. Life Cycle Cost Estimates. Sustaining costs / maintenance regimes for existing network (actual experience and planned model for future operations). Potentials for improvement. ** TOPICS BELOW TO BE PART OF A WIDER EXCHANGE, ASSIMILATED WITH MATERIAL PROVIDED BY OTHERS** 5. Tsunameter Event Records Analysis of Tsunameter Data from Recorded Events. 0YZy * / E # & ) M O v { }   = H U k p  vƴ߰߬߰߬ߨߠߠ߀ߨߨߨߨ|xtxtxhK;h>+vhh h:[h>*h$Y!h$Y!h:[>*h$Y!h$Y!>*h:[h:[>*h:[hh$#hh6CJOJQJ^JaJh)X'56CJaJh3 h56CJaJhh3 h5OJQJ^Jhh5OJQJ^J-0DYZ+ % & O jK $$ & Fgd$$gdh^hgd-HA & Fgd & Fgd:[gd$a$gd<<2BCHJQRTi #oj{|":?JO +,-6Yjn}ިh]/h-HA>*h]/h hy hy hy hy >*hBzh-HAhDhDh:[>* hq^>* hD>*hi hq^ hdVhdV hdVhhdVhh:[hK;:JKYh B`bd$%&@B -;<JX*89:efg23BPXrsÿ˿˳Ӧâââh]/hQ5r>* h]/>*h]/h]/>* hBz>*hW hTo>*h[ hq^hTohq^>*h-HAhwhQ5rhBzh>+vhhQ5rhQ5r>*hQ5rh>*hh>*h\h]/hTohTohTo>*5Kd&<:g23s?!o" #!#"#gdW & Fgd}} & Fgdy gd]/ & FgdBz & FgdQ5r & FgdQ5r & FgdTo & Fgd>+v & FgdDs>?  !!!n"o""""# #"#$#.#4#R#T############4444ǾDzǠzxtzhh#h g5CJaJh&x6U hdVh&x6 h&x6>* hw>*hWh g>*h ghM]5CJaJhx5CJaJhdV5CJaJh#h.Y5CJaJh#5CJaJh#h 5CJaJh.YhWhy h}}h}} h}}>*h>+vh}}h]/h]/h]/>*("###$####44455N55 7 7p7,<-<<<<<<gd# & Fgd#^gd# & FgdW & FgddVgddV & Fgd&x6gd ggdWIncluding far-field events, and one recent near-field event, where tsunami wave recognition compromised by concurrent seismic (ocean floor) disturbance. 6. International Data Exchange History and Current Status. For discussion. Leading to an action plan. 7. Guidelines for Operational Qualification of a New Tsunameter Product DISCUSSION PAPER to be circulated prior to meeting on processes for operationally qualifying a new tsunameter product. Example of ETD-DART Pre-operational Trials. Example provided for Easy-To-Deploy DART"! product being jointly trialled by US, Australia, and (in 2010) Indonesia. Report on progress to date. 8. Vandalism Incidence, Consequence and Responses Summary of Collective Indian Ocean Vandalism Experiences and Consequence44444455555"5(5/50535K5N5o5555557 7 777n7p78<<-<.<1<V<<<<<<<<<<<<<<<<<˿Ƹƪjhw0JUhwjhwU hdVh#hWUh h >*h h}}h# h#h.Y h#>*h#h.Y>* hw>*h.Yh# hdVhdVhdVhdV>* hdV>*hWhdV>*hdV5s. For discussion on effective responses. 9. Sustainability of Tsunameter Networks (especially Indian Ocean Tsunami Warning System) DISCUSSION PAPER to be circulated prior to meeting.     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