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FDSN Working Group II Data Exchange and Data Centers

FDSN Working Group II Data Exchange and Data Centers. By Bernard Dost, ORFEUS Data Centre, deBilt Netherland Tim Ahern FDSN Data Center for Continuous Data IRIS Data Management Center 9 November, 2006 FDSN Regional Assembly 2006 ASC Meeting Bangkok, Thailand. Goal of FDSN WG II.

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FDSN Working Group II Data Exchange and Data Centers

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  1. FDSN Working Group IIData Exchange and Data Centers By Bernard Dost, ORFEUS Data Centre, deBilt Netherland Tim Ahern FDSN Data Center for Continuous Data IRIS Data Management Center 9 November, 2006 FDSN Regional Assembly 2006 ASC Meeting Bangkok, Thailand

  2. Goal of FDSN WG II • To coordinate data exchange between • Data center to data center • Data center to data users

  3. Achievements/Topics • Definition of the SEED format • FDSN provides Network codes • Discussion and coordination of data exchange procedures • Request mechanisms • Email based (e.g. autoDRM, BreqFAST,NetDC) • Web based (e.g. Wilber II, WebDC) • API based (e.g. jWeed, VASE) • Data exchange procedures • E.g. Seedlink/ArcLink, Data handling Interace (DHI), Ninja • Discussion on standardization of data exchange for other data • Synthetic seismogram data (special group)

  4. Achievements/Topics-2 • Software developments • Reference SEED reader (rdseed) • use of Java and XML requires coordination of Java class definitions and XML definitions • FDSN archive • IRIS DMC (global - FDSN back-bone network) • ORFEUS DC (regional) • Quality Control • Station book

  5. FDSN Data Center for Continuous Data at the IRIS DMC • Available Data • Real Time Data • FDSN Goals wrt Data • Virtual Networks • Data Usage

  6. Available Data

  7. Data from 1966 -Present Temporary • Targets of Opportunity • 1966 - current • Unstructured Data • Apollo • Temporary Experiments • 1986 - current • Permanent Networks • 1970 - current Targets of Opportunity Permanent Networks

  8. More than 5,000 seismic stations have data available through the FDSN Archive

  9. Worldwide Temporary Deployments

  10. Seismological Broadband Seismometers Strong Motion Buildings Structures Free Field Geophones Hydrophones Meteorological Wind Speed Wind Direction Temperature Humidity Rain Gauge Solar Radiaton Insolation/Pyranometer Microbarograph Relative/Absolute Infrasound microphones Types of Sensor Data Managed by the FDSN Data Centers • Geophysical • Magnetotelluric • Magnetometer • Electric Field • Strainmeter • dilatational • tensor • Tidal Pendulum • Gravimeter • conventional • superconducting • Tiltmeter • Creep Meters • Water Column • Water Current • Depth • Temperature • Water Level • EarthScope Data • USArray • Seismic • Magnetotelluric • PBO • Seismic • Strain • SAFOD • Seismic

  11. FDSN Goals • Set standards in seismographs • Develop Quality Assurance Standards • Procedures for archiving and data exchange • Coordinate siting of stations • Pursue free and open access to data • Improve Access to data in real time

  12. Real Time Dataa new FDSN Priority

  13. 1339 Stations telemetered in real time from 50 different networks

  14. Automated Quality Control IRIS ORFEUS

  15. The IRIS/FDSN Archive • Archive • 51 terabytes • Archiving Rate • 14 terabytes/year • US Regional Networks

  16. Shipments from the FDSN Archive 260,000 customized shipments 65,000 on-line shipments 15.7 terabytes of observational data (4.0 megabits/second) 1.13 billion time series (36 per second)

  17. Shipments to FDSN countries

  18. Virtual Networks

  19. FDSN Network • FDSN Backbone Network • Pre 2005 status • 202 stations AU • BK • CD • CN • CZ G • GE • GT • H2 • IC II • IU • MN • NI • NL PS • SS

  20. IRIS GSN Virtual Network • IRIS GSN Virtual Network • AU • BK • GT • H2 • IC • II • IM • IU • MS • TS

  21. FDSN’s Guiding Principles • Open data access • Requests serviced at same priority for all • No charge for services • Timely access to data • Real time data is the goal • International Coordination • ~50 members of the FDSN

  22. Thank You for Your Attention

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