1 using the geoss common infrastructure in the air quality & health sba: wildfire & smoke...
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Using the GEOSS Common Infrastructure in the Air Quality & Health SBA:Wildfire & Smoke Assessment
Prepared by the GEOSS AIP-2 Air Quality & Health Working Group
May 2009
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Air Quality & Health Scenario
Scenario Overview• The AQ Scenario envisions integration of multiple types of AQ data…• satellite observations of AQ and meteorology• in-situ, ambient observations • models of meteorology and chemical transport • other: emissions data, fire observations, LIDAR, etc.
…being registered, discovered and accessed via GEOSS and used to inform diverse decision-makers: Air Quality Managers, Policy-Makers, and the Public.• Scenario is community-developed and community-evolved
Challenges• Persistent, standardized AQ data network
• Interface to GCI: Community Catalog, Portal
• Implementing scenarios which can integrate the offerings using GCI-compatible Service Oriented Architecture
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Wildfire & Smoke Scenario
• Test and evaluate GEOSS architecture with a focused scenario
• Find and use fire location, air pollution observation, and smoke model forecast data to assess air quality impacts of a wildfire event
• Focus on the 2007 Southern California Fires
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1: Publish and register data services
Key message: Simplifying the process for air quality data providers to use the GEOSS
Common Infrastructure
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Service Oriented Architecture
Service Broker
Service Provider
Publish Service Metadata
AccessServiceUser
Components: Provider – User – Broker
Actions: Register– Discover - access
Find Services
Get Access Key
•Service providers register service metadata to a service broker.•Service users find the needed service and get access key from a service broker•With the access key, users bind to the service provider
•The result is a dynamic binding mechanism between the service users and providers
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Deploy OGC W*S Service
ServiceUser WCS/WMS
Servers
GetCapabilities
Service Broker
Dataset
WMS Validator
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Create and Register Metadata
ServiceUser
Service Broker
ISO Editor
ISO
19115
GetC
apabilities
ISO Validator
Service Provider
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AQ Dataset Registration Metadata ISO 19115
• AQ Metadata has two parts: – Data Access – Discovery
• The Discovery metadata includes – Elements that are required for all Earth Observations– Additional elements to ISO 19115 – AQ Specific elements
• Facilitation of Market Supply demand
• Global Broker• Improved Find by metadata• Easier Registration
OGC CSW Core Queryable
Air QualitySpecific
ISO 19115CSW Profile
OGC CSW Returnable
MetadataDescription
Data Access
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Service Broker
Service Provider
ServiceUser
Clearinghouse(s)
HarvestCommunity
Catalog
ISO
19115
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Service Discovery
Service Provider
ServiceBroker
ServiceUser
GEO Portals
ClientApps
Community Portals
OGC CSW
Core
Query
able
ISO 19115
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Access Service
Access
Service Provider
ServiceBroker
ServiceUser
Data Access
Data Service
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Air Quality
Emission
Surf. Obs.Satellite
Model
Population
AQ Policy
AQ Mgmt
??
Add hurdles ??
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Register-Discover-Access
ServiceUser
Dis
cove
r
GEO Portals
ClientApps
Community Portals
Registry
Clearinghouse(s)
Community Catalog
Product AccessServers
W*S
Dataset
Metadata
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2: Search and find data services and tools
Key message: Standard metadata and search interfaces allow multiple tools to find air
quality data from a common metadata pool
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Find data and tools
Search for wildfire/smoke/AQ services and clients/tools via AQ Community Portal and Applications
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3. Interacting (binding) with distributed data
Key message: Multiple tools for visualization and analysis can each uniquely work with a
shared, common pool of data resources
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4. Interoperability of GEO Information System
Key message: Data Access services provide software interop; Standard metadata provide
Humanware interop
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Services
Service Broker
Service Provider
ServiceUser
Components: Provider – User – Broker
Actions: Register– Discover - access
•Service providers register service metadata to a service broker.•Service users find the needed service and get access key from a service broker•With the access key, users bind to the service provider
•The result is a dynamic binding mechanism between the service users and providers
ISO 19115
CSW
W*S
W*S
CSW
ISO 19115
ISO 19115
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Collage of various clients and/or 10-15 second descriptions of each client and how it connects with GCI
During and after 2007 S. California Smoke Event, show applications using data accessed via GCI
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Summary / Next Steps
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AIP-2 Air Quality & Health WG Participants
(add your logo)