By Tim Ahern, Program Manager IRIS DMS A “Short” Introduction to the IRIS Data Management Center...
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Transcript of By Tim Ahern, Program Manager IRIS DMS A “Short” Introduction to the IRIS Data Management Center...
![Page 1: By Tim Ahern, Program Manager IRIS DMS A “Short” Introduction to the IRIS Data Management Center Data Holdings, Data Organization, and Data Access.](https://reader035.fdocuments.in/reader035/viewer/2022070407/56649e2f5503460f94b1f843/html5/thumbnails/1.jpg)
ByTim Ahern, Program Manager IRIS DMS
A “Short” Introduction to the IRIS Data Management Center
Data Holdings, Data Organization, and Data Access
![Page 2: By Tim Ahern, Program Manager IRIS DMS A “Short” Introduction to the IRIS Data Management Center Data Holdings, Data Organization, and Data Access.](https://reader035.fdocuments.in/reader035/viewer/2022070407/56649e2f5503460f94b1f843/html5/thumbnails/2.jpg)
FDSN Archive for Continuous Data at the IRIS DMC
FDSN Archive for Continuous Data at the IRIS DMC
• FDSN Backbone Network• 200 stations currently• Plans to increase in size to 300• Africa and Middle East are underrepresented
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DMC
UofW
ASL DCC
IDA DCC
KZNetAlmaty
Data QANetwork Ops
Data QA
KNETBishkek
Data QA
The IRIS Data Management System
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DMC
GSN
PASSCAL
US Regional Networks
Non-FDSNNetworks
FDSN
USArray
PBO
SAFOD
EarthScope IRIS
Data Sources
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More than 12,007 seismic stations from 248 networks/deployments have data available through the IRIS DMC
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388 Permanent, 357 PASSCAL, 259 SEIS-UK, 84 SEISMOB-FR37 stations have real time telemetry
1,088 Stations in Africa & Middle East
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1,920 Stations telemetered in real timefrom 73 different networks
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Real Time with Metadata
37 Real Time Stations in Africa & Middle East Contributing to IRIS/FDSN
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• 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
Geophysical Magnetotelluric
Magnetometer Electric Field
Strainmeter dilatational tensor
Tidal Pendulum Gravimeter
conventional superconducting
Tiltmeter Creep Meters
Geophysical Magnetotelluric
Magnetometer Electric Field
Strainmeter dilatational tensor
Tidal Pendulum Gravimeter
conventional superconducting
Tiltmeter Creep Meters
Water Column Water Current Depth Temperature Water Level
Water Column Water Current Depth Temperature Water Level
Types of Sensor Data IRIS manages
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IRIS Archive at 100 terabytes and growing at 24 terabytes per year
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Data Request Tools at the IRIS DMC
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Request Methods
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• Routes user requests between data centers
• Wraps normal Data Center operations within an application layer
• Coordinates delivery of information back to a user
• Peer based system• Any NetDC node can act as
a hub data center• Or FDSN.ORG can be used
IRIS DMCUSA
ORFEUSNetherlands
CNSNCanada
PACIFIC 21Japan
MedNetItaly
GEOSCOPEFrance
NCEDCUSA
NetDCRequest
SCEDCUSA
FDSN.ORGFDSN.ORG
Networking Data Centers by Email
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Network
Waveforms
Events
DHI Data Center
DHI ClientsVASESOD
jWEEDetc.
Network
Waveforms
Events
DHI Data Center
Network
Waveforms
Events
DHI Data Center
Network
Waveforms
Events
DHI Data Center
IDL
IDL
IDL
Data Handling Interface (DHI)Access to Distributed Data Centers
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Existing
Planned
Planned (Events)
DHI Enabled Centers
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Existing
Planned
Planned (Events)
DHI Enabled Centers- European
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BUDBuffer of Uniform Data
DHISeedLink
Antelope EarthwormSeisGram
2KVASE SOD EMMjWeed
Seiscomp3 DHI2mseed
Real Time Data Flow from DMC
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• Most of the 100 terabytes are in miniSEED format• Metadata has been provided in dataless SEED
format• The huge holdings are consistent and complete
due to adherence to FDSN standards• Data from
• 102 different seismic networks• 12,007 stations• 1,920 stations in 73 networks in real time as of 2009
The IRIS Data Management Center
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• The IRIS DMS is available to all seismologists at the same priority level
• All data are open• There is no charge for any of IRIS services• Only one piece of software has limited distribution
• Antelope only available to Full IRIS Members
• SAC available to almost all seismologists
A Global Resource
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Thanks for your attention