Median surface water hardnesses

This thematic layer represents the characterization of the hardness of surface water in Quebec. The hardness is presented according to the medians calculated from the concentrations of calcium and magnesium ions in seven classes. Water hardness influences the toxicity of certain metals, including barium, beryllium, cadmium, chromium, copper, manganese, nickel, nickel, lead, and zinc. Surface water quality criteria are determined according to the hardness of the receiving watercourse. These criteria are used to make judgments about surface water quality and are the basis for groundwater criteria used to assess the quality of groundwater that recurs as surface water. Finally, they are the key element in calculating environmental discharge objectives (EORs) used to assess the quality of wastewater discharges to the aquatic environment. For a discharge that occurs on an annual basis, the median hardness of the receiving water body is generally used to calculate water quality criteria for aquatic life.This third party metadata element was translated using an automated translation tool (Amazon Translate).

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Last Updated October 22, 2024, 15:14 (UTC)
Created October 1, 2024, 06:47 (UTC)
Domain / Topic
Domain or topic of the dataset being cataloged.
Geoscientific Information
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.
2018-03-05
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
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Owner
Owner of the dataset.
Government and Municipalities of Québec | Gouvernement et municipalités du Québec
Contact Point
Who to contact regarding access?
Government and Municipalities of Québec; Government and Municipalities of Québec; Ministère de l’Environnement, Lutte contre les changements climatiques, Faune et Parcs, bqma@environnement.gouv.qc.ca
Publisher
Publisher of the dataset.
Publisher Email
Email of the publisher.
bqma@environnement.gouv.qc.ca
Accessed At
Date the data and metadata was accessed.
Field Value
Identifier
Unique identifier for the dataset.
Language
Language(s) of the dataset
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Globally Unique Identifier
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Contains data about individuals
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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/2193c2a9-f834-4f40-9f1a-276e5addc8f2
Version notes
Version notes about the dataset.
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GeoSpatial resolution in meters
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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.
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If tabular dataset, total number of unique columns.
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If tabular dataset, total number of cells with data.
Number of data relations
If RDF dataset, total number of triples.
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Number of data properties
If RDF dataset, total number of unique properties used by the triples.
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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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