Air Quality Model Data - TO2015 Pan and Parapan American Games
Environment and Climate Change Canada's (ECCC’s) air quality model, Global Environmental Multiscale – Model of Atmospheric Chemistry (GEM-MACH v2), was run at high spatial resolution to generate daily forecasts for the Air Quality Health Index (AQHI) at Pan Am sporting venue locations and for surface air quality measurement stations across the Greater Toronto Area. The model was run for a domain covering all of Southern Ontario at a spatial resolution of 2.5-km grid spacing. The model also included updated traffic pollutant emissions, generated before the Games by using a road link-based, traffic flow model. The GEM-MACH model generated daily forecasts on an hourly interval and forecasts were available at 6am local time each morning. Numerous chemical pollutants were predicted including ozone, nitrogen dioxide, carbon monoxide, sulfur dioxide, particulate matter, among others. The air quality forecasts were placed on several data servers for dissemination (ECCC Air Quality Model experimental website, Science and Technology ECPASS website, WISDOM health information website, MSC XM-Tools website, University of Toronto AirSensor website). The data in the archive is for the high resolution GEM-MACH v2 demonstration model and is not the operational air quality forecast disseminated by the Canadian Meteorological Centre. The demonstration forecast archived here has not been corrected using the post-processing UMOS tool, a statistical algorithm based on previous model/observations correlations for a location.
A chemical objective analysis was also performed using the 2.5km GEM-MACH v2 model output and the surface observations within the model domain. The analysis is a fusion of the model and observations resulting in an improved model forecast surface map.
Basic view
Metadata Record Information
- File Identifier
- 9b0102aa-42f6-4a3e-801c-2d6dd1e95de2 XML
- Date Stamp
- 2021-05-12T05:53:39
- Metadata language
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eng; CAN
- Character set
- UTF8
- Hierarchy Level
- Dataset
http://ec.gc.ca
Data identification
- Title
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Air Quality Model Data - TO2015 Pan and Parapan American Games
- Date (Publication)
- 2017-10-20
- Date (Creation)
- 2015-07-09
- Status
- Under development
- Metadata language
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eng; CAN
- Character set
- UTF8
- Topic category
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- Environment
- Maintenance and Update Frequency
- Not planned
- Spatial representation type
- Text, table
Keywords
- Theme
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TO2015, 2015 Games, 2015, Pan Am, Parapan Am, Ontario, Southern Ontario, Toronto, Environment Canada, Environment and Climate Change Canada, MSC, Meteorological Service of Canada, air quality, model, forecast, Air Quality Health Index, air pollution, aerosol, particulate matter, ozone, nitrogen dioxide, haze, objective analysis, data assimilation
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Environmental Model
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Government of Canada Core Subject Thesaurus
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Scientific research
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external.theme.EC_Information_Category
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Air - Quality
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external.theme.EC_Functions
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Provide Weather Information Products and Services
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Expand Scientific Knowledge / Develop New Methodologies for Monitoring and Predicting Weather
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external.theme.EC_Branch
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Science and Technology Branch
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external.theme.EC_Directorate
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Atmospheric Science and Technology
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external.theme.EC_Program_PAA
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2.1.2. Health-related Meteorological Information
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external.theme.GC_Security_Level
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Unclassified
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external.place.GC_Geographic_Scope
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Ontario (ON)
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- Use Limitation
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Open Government Licence - Canada ( http://open.canada.ca/en/open-government-licence-canada)
- Access Constraints
- License
- Use Constraints
- License
- Begin Date
- 2015-07-09
- End Date
- 2015-08-15
Extent
))
Ref. system Reference Systems
- Reference system identifier
- EPSG / 4326 /
Distribution
Distribution Formats
- Distribution format
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- DOCX ( 1)
http://ec.gc.ca
Overviews
)))
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