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GEOSS Air Quality Community Infrastructure
E.M. Robinson, R.B. Husar, S.R. Falke, E.T. Habermann, A. Warnock, M. Hogeweg, J. Lieberman This screencast is about the application of the GEOSS Common Infrastructure to the AQ and Health Societal Benefit Area. ESIP, 23 July 2010 Knoxville, TN
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Hurdles “The user cannot find the data;
If he can find it, cannot access it; If he can access it, ; he doesn't know how good they are; if he finds them good, he can not merge them with other data” The Users View of IT, NAS 1989
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Observing Systems Air Quality & Health Applications
Informing the Public Enforcing Standards Hemispheric Transport Real-time Service Regulatory Analysis Policy Assessment Atmospheric Composition Science & Education There are numerous Earth Observations that are available and in principle useful for air quality applications such as informing the public and enforcing AQ standards. However, connecting a user to the right observations or models is accompanied by an array of hurdles. The GEOSS Common Infrastructure allows the reuse of observations and models for multiple purposes Even in the narrow application of Wildfire smoke, observations and models can be reused. Model Emission Surf. Obs. Population Satellite Observing Systems
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SOA Actions Broker Register Discover Access Provider User
Actions: Register– Discover -Access Broker Register Discover The data reuse is possible through the service oriented architecture of GEOSS. Service providers registers services in the GEOSS Clearinghouse. Users discover the needed service and access the data The result is a dynamic binding mechanism for the construction of loosely-coupled work-flow applications. Access Provider User The data reuse is possible through the service oriented architecture of GEOSS.
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WMS, WCS (netDCF CF) + conventions
Data Providers WCS/WMS Data providers or mediators provide their data as WMS or WCS services. Data Protocol WMS, WCS (netDCF CF) + conventions
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ISO 19115/19119 subset for Geospatial Data
Com. Cat Data Providers WCS/WMS Metadata ISO 19115/19119 subset for Geospatial Data Data providers then describe each coverage they want to find in the community catalog or their own catalog using ISO 19115/19119 metadata
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Air Quality Community Record
Com. Cat Data Providers WCS/WMS Metadata ISO 19115/19119 subset for Geospatial Data The air quality community has developed a metadata convention that allows for finding and accessing data through the GEOSS clearinghouse and community clients. The purple part is the ISO metadata needed to describe the service, the red and yellow components are needed for the GEOSS clearinghouse and the Turquoise box are air quality specific facets/keywords that are included in order to aide aq users in finding data Air Quality Community Record OGC CSW Queryable OGC CSW Returnable ISO CSW Profile Metadata Description Air Quality Specific Data Binding
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Com. Cat GEOSS CSR Data Providers WCS/WMS
The community catalogs are registered in the GEOSS CSR as components
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Com. Cat GEOSS CSR Data Providers WCS/WMS GEOSS Clearinghouse
The clearinghouse harvests the CSR and the community catalogs for metadata
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Com. Cat GEOSS CSR Data Providers WCS/WMS GEOSS Clearinghouse
Com Client User queries a community client for AQ terms client searches clearinghouse and returns results Data User
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Com. Cat GEOSS CSR Data Providers WCS/WMS GEOSS Clearinghouse
Com Client User selects which datasets to view, the client through a workflow accesses the data from distributed providers and displays the layers for the user to view Server GetCapabilities Client Std. Interface Std. Interface Capabilities, ‘Profile’ Back End Where? When? What? Which Format? Front End GetData Data User Data
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Com. Cat GEOSS CSR Data Providers WCS/WMS GEOSS Clearinghouse
Com Client User selects which datasets to view, the client through a workflow accesses the data from distributed providers and displays the layers for the user to view Data User
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Air Quality Community Infrastructure
General search and use of GEOSS data and services Data web service metadata registrations Users GEOSS Common Infrastructure Air Quality Community Catalog AQ-specific search and use of GEOSS data and services DataFed EDAC SEDAC NGC Giovanni ESA Data Providers AIP-2 Workspace:
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Next Steps: Continue to work with AQ community to improve the AQ-specific sections needed for sharper discovery Work with AQ data providers to register their services in the AQ Community Catalog Extend metadata unstructured user-contributed content through DataSpaces
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Airnow DataSpace Dataset Description Dataset Discussion
resources, feedback, tools and methods associated with the dataset Dataset Discussion
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Register: ISO Metadata Discover: CSW/RSS/ISO
Summary Existing data and metadata standards now allow the application of SOA to air quality Over 30 air quality datasets are registered and accessible through the GCI GEOSS Clearinghouse Register: ISO Metadata Discover: CSW/RSS/ISO Access: WMS/WCS Provider User
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Acknowledgements George Percivall, OGC
GEO Clearinghouses and GEO Portals: ESRI USGS Compusult
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Links ESIP AQ Cluster AQ Community Portal | ISO AQ Metadata Editor AQ Community Catalog | AQ Client Browser
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Observing Systems Air Quality & Health Applications
Informing the Public Enforcing Standards Hemispheric Transport Real-time Service Regulatory Analysis Policy Assessment Atmospheric Composition Science & Education There are numerous Earth Observations that are available and in principle useful for air quality applications such as informing the public and enforcing AQ standards. However, connecting a user to the right observations or models is accompanied by an array of hurdles. The GEOSS Common Infrastructure allows the reuse of observations and models for multiple purposes Even in the narrow application of Wildfire smoke, observations and models can be reused. Model Emission Surf. Obs. Population Satellite Observing Systems
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Project A Project A combines multiple data sources to generate near-real time information for the public Project A provides web service interfaces to some of its data and information
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Goals of GEOSS Air Quality Community Infrastructure
Test and evaluate the GCI for AQ applications. Registering and retrieving AQ data through the Clearinghouse Connect AQ Applications to GCI The primary goal of the AQ workgroup was to test and evaluate the Geoss Common Infrastructure for AQ applications such as the analysis of smoke events. Specifically, we were interested in connecting data processing and analysis applications to the variety of air quality data now accessible through GCI.
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Project B Project B analyzes surface and satellite data in support of regulatory analysis and provides web services to their analysis output and analysis tools
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Project C Project C provides a web services new data from its work
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New Project A new project uses services from projects A, B and C to meet its objectives
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