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The Contribution of OLG Data and Analysis Centre to EPOS. G. Stangl 2 , S. Krauss 1 1 IWF/ÖAW, Graz/Austria 2 Federal Office of Metrology and Surveying , Graz/Austria. OLG Data Centre. OLG AC Network CERGOP. OLG AC Network GREECE. Products example AMON velocities.

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the contribution of olg data and analysis centre to epos
The Contribution of OLG Data and Analysis Centre to EPOS

G. Stangl 2, S. Krauss1

1IWF/ÖAW, Graz/Austria 2 Federal Office ofMetrologyandSurveying, Graz/Austria

OLG Data Centre

OLG AC Network CERGOP

OLG AC Network GREECE

Products example AMON velocities

  • Data Holding ofabout 600 GNSS-stations, 500 ofthempublic
  • Regional datacentrefor EUREF Permanent Network (EPN)
  • Access via ftp: olggps.oeaw.ac.at
  • Focus on stationswithin Europe
  • CERGOP = Central European Research on Geodynamics Project
  • Evolvedfrom CEGRN epochnetworkbyaddingpublicand private permanent stations
  • Research on zonesofintraplatemovements
  • Monitoring boundaryzonesbetweenEurasianand African plateandotherminorplates (Adriatic, Aegean, Anatolian)
  • High velocitychangesatsmall (100 km) distances
  • Data mainlyfrom http://egelados.gein.noa.gr/services/GPS/GPS_DATA/
  • Generatedfromweeklyanalysisresults
  • Referencedto ITRF (presently ITRF2008)
  • Raw -> Cleaned (outliersremoved) time series
  • For AMON and CERGOP rotationoftheEurasianplatesubtracted

OLG Analysis Centre

  • Monitoring ofstationsfor European (EUREF) and national (AMON) referenceframes
  • Analysis of time seriesforreferenceframesandgeokinematics
  • Analysis ofstationsforionospheremappingand potential earthquakeprecursors
  • Main productstationvelocities
  • Permanent analysisaccordingto EPN guidelines

OLG AC Network AMON

Residual horizontal velocitieswithrespecttoEurasianplate in ITRF2005

OLG AC Network MON

  • AMON = Austrian Monitoring Network
  • 3D-Reference Frame for Austria (ETRF2000)
  • Geokinematicsofthe Eastern Alps

Relation to EPOS + Discussion

  • MON = Monitoring Oriental Network
  • Plate boundariesaroundtheArabianplate
  • EPOS canprovide a betterinformation on GNSS dataandproductsfor a broadercommunity
  • Public dataareavailableforeveroneat OLG DC and AC, just download
  • GNSS dataproducedbystationsarepartof national infrastructures, mostofthemusedfornavigation (noresearch)
  • DCs andAcsforresearchare not ownersofstations in mostcases!
  • Potential financialsupportfrom EPOS hasto find a balancebetweenownersofstationsandprovidersofinforrmation (data + products)
  • Howto handle financingofresearchinfrastructureby EPOS andsupport non-research infrastructure ?

Residual verticalvelocitieswithrespecttoEurasian Plate in ITRF2005