geoss air quality community infrastructure esip, 23 july 2010 knoxville, tn e.m. robinson, r.b....
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GEOSS Air Quality Community Infrastructure
ESIP, 23 July 2010
Knoxville, TN
E.M. Robinson, R.B. Husar, S.R. Falke, E.T. Habermann, A. Warnock, M. Hogeweg, J. Lieberman
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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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SOA Actions
Actions: Register– Discover -Access
UserProvider
Broker
The data reuse is possible through the service oriented architecture of GEOSS.
Register
Discover
Access
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Data Providers
WCS/WMS
Data Protocol
WMS, WCS (netDCF CF) + conventions
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WCS/WMS
Com. Cat
Metadata
ISO 19115/19119 subset for Geospatial Data
Data Providers
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WCS/WMS
Com. Cat
OGC CSW Queryable
Air QualitySpecific
ISO 19115CSW Profile
OGC CSW Returnable
MetadataDescription
Data Binding
Air Quality Community Record
Metadata
ISO 19115/19119 subset for Geospatial Data
Data Providers
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WCS/WMS
GEOSS CSR
Com. Cat
Data Providers
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WCS/WMS
GEOSS CSR
Com. Cat
GEOSS Clearinghouse
Data Providers
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WCS/WMS
GEOSS CSR
Com. Cat
GEOSS Clearinghouse
Data Providers
Com Client
Data User
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WCS/WMS
GEOSS CSR
Com. Cat
GEOSS Clearinghouse
Com Client
Data User
Data Providers
GetCapabilities
GetData
Capabilities, ‘Profile’
Data
Where? When? What? Which Format?
Server
Back End S
td.
Interface
Client
Front EndS
td.
Interface
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WCS/WMS
GEOSS CSR
Com. Cat
GEOSS Clearinghouse
Com Client
Data User
Data Providers
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Users
Data Providers
GEOSSCommon
Infrastructure
Air Quality Community Catalog
General search and use of GEOSS data and services
AQ-specific search and use of GEOSS data and services
Air Quality Community Infrastructure
SEDACDataFed
Giovanni
EDAC
NGCESA
Data web service metadata registrations
AIP-2 Workspace: https://sites.google.com/site/geosspilot2/air-quality-and-health-working-group 12
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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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Summary
Discover: CSW/RSS/ISO
Access: WMS/WCS
Register: ISO Metadata
UserProvider
GEOSSClearinghouse
• 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
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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 19115 AQ Metadata Editor• AQ Community Catalog | AQ Client Browser
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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
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Air Quality & Health Applications
Observing Systems
Informing the Public
Enforcing Standards
Hemispheric Transport
Real-time Service
Regulatory Analysis
Policy Assessment
Atmospheric Composition
Science & Education
Emission Surf. Obs.
Satellite
Model
Population
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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
Project A
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Project B analyzes surface and satellite data in support of regulatory analysis and provides web services to their analysis output and analysis tools
Project B
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Project C provides a web services new data from its work
Project C
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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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