2006-03-14 WG on HTAP-Relevant IT Techniques, Tools and Philosophies: DataFed Experience and Perspectives
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4. GEOSS Info Flow Architecture A General Framework Accepted by Members Model Model Data Data
5. Federated Network for Air Quality Data and Processing Services Project Team: Software Architecture: R. Husar Software Implementation: K. Höijärvi Data and Applications: S. Falke, R. Husar Data Handling Approach
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8. Typical DataFed AQ Analysis Tools Consoles : Data from diverse sources are displayed to create a rich context for exploration and analysis CATT : Combined Aerosol Trajectory Tool for the browsing backtrajectories for specified chemical conditions Viewer: General purpose spatio-temporal data browser and view editor applicable for all DataFed datasets
9. Quebec Smoke July, 7, 2002 SeaWiFS Satellite Aerosol Chemical Air Trajectory Map Boarder Web Service Composition
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11. Visualization Goal: 4D, User-selectable layers Image below completed in 1998 Satellite Data Layers: Land Reflectance (SeaWiFS) Fire Pixels (ASTR Night) High Cloud (GOES, Meteosat, GMS2) Aerosol AOT (AVHRR)
12. 4D Dynamic Visualization Demonstrate interactions, allow exploration ‘Google Earth’ for Earth Science is now possible
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16. GALEON Interoperability Experiment Geo-interface for Atmosphere, Land, Earth, and Ocean netCDF Unify Earth Science & GIS Data Flows Strong European Participation IT – S. Nativi, L. Bigagli UK – Andrew Wolf DE – Peter Bauman) B. Domenico B. Domenico GALEON UNIDATA U Florence/CNR-IMMA WCS Server
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22. AQ Monitoring Network Data Storage and Delivery through OGC Protocols Relational Data Model Star Schema WMS WCS SOS SensorML WFS Observations Station Info. Param/Sensor/Method Data View Services WMS Stations Par-Meth Observations SOS WCS Data Access
24. Data Access through Adapters through DataFed SOAP,HTTP Get OGC WCS HTTP Get, Post OGC WMS HTTP Get Station-Point SQL Server, Files… Sequence Image, file nDim Grid OpenDAP NetCDF, … Other Traject., Event, Pic Sources Diverse formats Many data models Data Wrapper Data into geo-cubes Queries to views Virtual Data Cube Global geo-cube data model Makes queries data-neutral Others? e.g. OpenDAP Output Protocol dependent User specified GeoTable CSV,XLS,GML GeoGrid GML,NetCDF.. GeoImage GeoTIFF, PNG.. Other MS Dataset.. Query Adapter Maps query to protocol User selects protocols