High Level Data Productsat the IRIS DMC
Tim Ahern, IRIS Director of Data ServicesRick Benson, IRIS Director of Operations
What is a data product?
In the broadest sense products are data, from raw data to derivative results to high level knowledge summaries spanning entire scientific information domain.
EarthScope/USArray data product levels:0: Raw continuous and event-segmented data1: Quality controlled data2: Products derived from data using accepted methods3: Products needing technical analysis & interpretation4: Products integrating geological/geophysical data
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LEVEL 4Integrated Research Products
LEVEL 3Seismological Research Products
LEVEL 2Derived InformationStandard Processing
Product Levels – Adapted from National Research Council Committee on Data Management and Computation (CODMAC)
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LEVEL 1Quality Controlled Data
LEVEL 0Raw Data
The IRIS DMS data product effortMission: produce level 2 data products and manage products at all levels to provide:
Stepping stones (pre-processing) for further research
Insight into the data for selection and E&O Direct interpretation for confirmation, etc. Bridges to other disciplines, exporting seismological observations
Community guidance via a Data Products Working Group
http://www.iris.edu/dms/products/4
USArray Ground Motion Visualizations• M7+ 3D version• M6+ Z version
Credits:Manoch BahavarChuck AmmonBob Woodward
http://www.iris.edu/dms/products/usarraygmv/5
USArray Ground Motion Visualizations
http://www.iris.edu/dms/products/usarraygmv/
3 component movies
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Event Plots
http://www.iris.edu/dms/products/eventplot/
For M6+ events:• Station maps• Record sections• Coda stacks• Vespagrams
Credit: Alex Hutko
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Record Section via Stacks
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More Event Plot examples
USArray record sections
P-coda stacksApprox rupture duration ~150sec
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Global CMT Project
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Global CMT Project
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Available in QuakeML format
Back Projections for MW 7.0 Vanuatu Is
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SPUD: data product accessThe DMC’s Searchable ProdUct Depository (SPUD) is the primary access point for non-time series data products.
Credit: Rich Karstens13
SPUD: Demo
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SPUD
More and future data productshttp://www.iris.edu/dms/products/ EarthScope Automated Receiver Survey USArray magnetotelluric transfer functions
USArray phase picks WWSSN film chip images Earth Model Collaboration: tomographic model repository, etc.
Nearly ready for release Princeton synthetics PBO displacement time series
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In consideration: after shock sequences
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Be part of the process
DMS data product home:http://www.iris.edu/dms/products/
Suggest data products
Provide feedback on existing products
Contact the Data Products Working Group, DMS Standing Committee or DMS staff
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Products
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Products http://www.iris.edu/dms/products
Product Management System http://www.iris.edu/spud