Canadian Drought Monitor

This series of datasets has been created by AAFC’s National Agroclimate Information Service (NAIS) of the Agro-Climate, Geomatics and Earth Observations (ACGEO) Division of the Science and Technology Branch.

The Canadian Drought Monitor (CDM) is a composite product developed from a wide assortment of information such as the Normalized Difference Vegetation Index (NDVI), streamflow values, Palmer Drought Index, and drought indicators used by the agriculture, forest and water management sectors. Drought prone regions are analyzed based on precipitation, temperature, drought model index maps, and climate data and are interpreted by federal, provincial and academic scientists.

Once a consensus is reached, a monthly map showing drought designations for Canada is digitized.

AAFC’s National Agroclimate Information Service (NAIS) updates this dataset on a monthly basis, usually by the 10th of every month to correspond to the end of the previous month, and subsequent Canadian input into the larger North American Drought Monitor (NA-DM).

The drought areas are classified as follows:

D0 (Abnormally Dry) – represents an event that occurs once every 3-5 years;

D1 (Moderate Drought) – represents an event that occurs every 5-10 years;

D2 (Severe Drought) – represents an event that occurs every 10-20 years;

D3 (Extreme Drought) – represents an event that occurs every 20-25 years; and

D4 (Exceptional Drought) – represents an event that occurs every 50 years.

Impact lines highlight areas that have been physically impacted by drought.

Impact labels specify the longitude and magnitude of impacts.

The impact labels are classified as follows:

S – Short-Term, typically less than 6 months (e.g. agriculture, grasslands).

L – Long-Term, typically more than 6 months (e.g. hydrology, ecology).

Datasets available for download

Additional Info

Field Value
Last Updated October 22, 2024, 15:54 (UTC)
Created October 1, 2024, 07:36 (UTC)
Domain / Topic
Domain or topic of the dataset being cataloged.
Climatology Meteorology Atmosphere
Format (CSV, XLS, TXT, PDF, etc)
File format of the dataset.
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.
2014-12-09
Time Period Data Span (start date)
Start date of the data in the dataset.
Time Period Data Span (end date)
End date of time data in the dataset.
GeoSpatial Area Data Span
A spatial region or named place the dataset covers.
Field Value
Access category
Type of access granted for the dataset (open, closed, service, etc).
Limits on use
Limits on use of data.
Location
Location of the dataset.
Data Service
Data service for accessing a dataset.
Owner
Owner of the dataset.
Agriculture and Agri-Food Canada | Agriculture et Agroalimentaire Canada
Contact Point
Who to contact regarding access?
Government of Canada; Agriculture and Agri-Food Canada; Science and Technology Branch, aafc.agri-geomatics-agrogeomatiques.aac@agr.gc.ca
Publisher
Publisher of the dataset.
Publisher Email
Email of the publisher.
aafc.agri-geomatics-agrogeomatiques.aac@agr.gc.ca
Accessed At
Date the data and metadata was accessed.
Field Value
Identifier
Unique identifier for the dataset.
Language
Language(s) of the dataset
Link to dataset description
A URL to an external document describing the dataset.
Persistent Identifier
Data is identified by a persistent identifier.
Globally Unique Identifier
Data is identified by a persistent and globally unique identifier.
Contains data about individuals
Does the data hold data about individuals?
Contains data about identifiable individuals
Does the data hold identifiable data about individual?
Contains Indigenous Data
Does the data hold data about Indigenous communities?
Field Value
Source
Source of the dataset.
https://open.canada.ca/data/en/dataset/292646cd-619f-4200-afb1-8b2c52f984a2
Version notes
Version notes about the dataset.
Is version of another dataset
Link to dataset that it is a version of.
Other versions
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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.
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.
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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