Ozone (O3) (Environment and Climate Change Canada End User Licence) - 1

The dataset titled "Ozone (O3) (Environment and Climate Change Canada End User Licence) - 1" falls under the domain of Environment and is tagged with keywords such as Air, Air Quality, Chemical, Ground, Housing Potential, Level, Model, O3, Ozone, Quality, and Transport. It is available in PDF format and was published on October 1, 2018. The data spans from January 1, 1985, to December 31, 2015, and covers the geographical area of Canada. The dataset is visible to the public, but its use is limited to the purposes stated in the CANUE Data Sharing and Use Agreement and should not be re-distributed. The dataset is owned and authored by CANUE (Canadian Urban Environmental Health Research Consortium) and Dalla Lana School of Public Health, University of Toronto, and can be contacted at info@canue.ca.

The dataset was accessed on September 18, 2023, and is identified by the number 29. It is in English language and its description is provided via a link. However, it does not have a persistent or globally unique identifier. The data is updated monthly and any missing data is indicated as -9999 for numeric fields and null for category fields. The dataset is owned by the organization CANUE and provides hourly ground-level ozone (O3) concentrations estimated with CHRONOS and GEM-MACH models from 2002 to 2015. The license for the dataset is not specified, and it includes resources like 'Ozone (O3) (Environment and Climate Change Canada End User Licence) - 1'. The metadata for the dataset was created on September 18, 2023, and was last modified on April 9, 2025.

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Field Value
Last Updated April 10, 2025, 23:36 (UTC)
Created September 18, 2023, 23:29 (UTC)
Domain / Topic
Domain or topic of the dataset being cataloged.
Environment
Description
A description of the dataset.

Hourly ground-level ozone (O3) concentrations were estimated with CHRONOS (Canadian Hemispherical Regional Ozone and NOx System) model from 2002 to 2009, and with GEM-MACH (Global Environmental Multi-scale Modelling Air Quality and Chemistry) model from 2010 to 2015, by Environment and Climate Change Canada staff. Estimates incorporate ground-level observation data. Please note that Environment and Climate Change Canada (ECCC) provides data air quality data directly - see the ECCC End Use Licence.pdf file referenced above under Supporting Documentation.These datasets were used by CANUE staff to calculate values of monthly concentrations of O3, for all postal codes in Canada for each year from 2002 to 2015 (DMTI Spatial, 2015). Values are reported only when data completeness thresholds are met - see Data Completeness.pdf in Supporting Documentation.
Tags
Keywords/tags categorizing the dataset.
Format (CSV, XLS, TXT, PDF, etc)
File format of the dataset.
.pdf - application/pdf
Dataset Size
Dataset size in megabytes.
Metadata Identifier
Metadata identifier – can be used as the unique identifier for catalogue entry
Published Date
Published date of the dataset.
2018-10-01
Time Period Data Span (start date)
Start date of the data in the dataset.
1985-01-01
Time Period Data Span (end date)
End date of time data in the dataset.
2015-12-31
GeoSpatial Area Data Span
A spatial region or named place the dataset covers.
Canada
Field Value
Access category
Type of access granted for the dataset (open, closed, service, etc).
visible
License
License used to access the dataset.
License not specified
Limits on use
Limits on use of data.
These data files are provided solely for the purposes stated in the CANUE Data Sharing and Use Agreement and should not be re-distributed for any reason. These data also contain proprietary postal code data and may only be used for the project named in the CANUE Data Sharing and Use Agreement. Data can be shared only within a project team for the exclusive purposes of teaching, academic research and publishing, and/or planning of educational services in accordance to DMTI End User Agreement associated with the Spatial Mapping Academic Research Tools (SMART) Program.
Location
Location of the dataset.
https://www.canue.ca
Data Service
Data service for accessing a dataset.
Owner
Owner of the dataset.
CANUE (Canadian Urban Environmental Health Research Consortium)|Dalla Lana School of Public Health, University of Toronto
Contact Point
Who to contact regarding access?
Contact Point Email
The email to contact regarding access?
Publisher
Publisher of the dataset.
Publisher Email
Email of the publisher.
Author
Author of the dataset.
CANUE (Canadian Urban Environmental Health Research Consortium)|Dalla Lana School of Public Health, University of Toronto
Author Email
Email of the author.
info@canue.ca
Accessed At
Date the data and metadata was accessed.
2023-09-18
Field Value
Identifier
Unique identifier for the dataset.
29
Language
Language(s) of the dataset
English
Link to dataset description
A URL to an external document describing the dataset.
http://canue.ca/wp-content/uploads/2017/11/ECCC-End-Use-Licence.pdf
Persistent Identifier
Data is identified by a persistent identifier.
No
Globally Unique Identifier
Data is identified by a persistent and globally unique identifier.
No
Contains data about individuals
Does the data hold data about individuals?
N/A
Contains data about identifiable individuals
Does the data hold identifiable data about individual?
N/A
Contains Indigenous Data
Does the data hold data about Indigenous communities?
N/A
Field Value
Version notes
Version notes about the dataset.
Is version of another dataset
Link to dataset that it is a version of.
Other versions
Link to datasets that are versions of it.
Provenance Text
Provenance Text of the data.
Provenance URL
Provenance URL of the data.
Temporal resolution
Describes how granular the date/time data in the dataset is.
Monthly
GeoSpatial resolution in meters
Describes how granular (in meters) geospatial data is in the dataset.
GeoSpatial resolution (in regions)
Describes how granular (in regions) geospatial data is in the dataset.
Field Value
Indigenous Community Permission
Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
Community Permission
Community permission (who gave permission).
The Indigenous communities the dataset is about
Indigenous communities from which data is derived.
Field Value
Number of data rows
If tabular dataset, total number of rows.
Number of data columns
If tabular dataset, total number of unique columns.
Number of data cells
If tabular dataset, total number of cells with data.
Number of data relations
If RDF dataset, total number of triples.
Number of entities
If RDF dataset, total number of entities.
Number of data properties
If RDF dataset, total number of unique properties used by the triples.
Data quality
Describes the quality of the data in the dataset.
NoData = -9999 (for numeric fields) - NoData=null (for category fields) - Data insufficient to calculate value = -1111
Metric for data quality
A metric used to measure the quality of the data, such as missing values or invalid formats.

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