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Original Data

The Acidic Precipitation in Ontario Study (A.P.I.O.S.) was established in 1979 by the Ontario Ministry of the Environment to protect …

Record Modified: Jan 21, 2026
Record Released: Apr 13, 2022
Publisher: Government of Ontario
Formats: CSV HTML
Keywords: Données Ontario soil acid precipitation Government information
Similar Data

Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows vulnerability …

Record Modified: Mar 14, 2022
Record Released: Sep 24, 2016
Publisher: Natural Resources Canada
Formats: JPG PDF
Keywords: acid rain air pollution climate geology meteorological data meteorology precipitation soil weather

The Acid Sensitive Lakes Study in the Atlantic Canada was initiated in 1983 by Environment and Climate Change Canada, to …

Record Modified: Jun 11, 2024
Record Released: Sep 17, 2018
Publisher: Environment and Climate Change Canada
Formats: TXT HTML CSV
Keywords: Lakes Acid rain Water quality Lakes Streams atmospheric deposition acidification metals nutrients major ions contaminant acid sensitivity ...

Predicted soil pH in CaCl2 at a defined depth range (0–5 cm, 5–15 cm, 15–30 cm, 30–60 cm, 60–100 cm). …

Record Modified: Sep 15, 2025
Record Released: Jan 22, 2025
Publisher: Agriculture and Agri-Food Canada
Formats: PDF GeoTIF ESRI REST WMS WCS
Keywords: Agriculture Soil taxonomy Maps Geographic information systems Soil Geographic data
Provincial / Territorial

Purpose The Ministry of Agriculture, Food and Agribusiness (OMAFA) is responsible for Ontario’s provincial soil maps and maintains and update …

Record Modified: Dec 24, 2025
Record Released: Oct 29, 2025
Publisher: Government of Ontario
Formats: GeoTIF HTML
Keywords: machine learning soil mapping predictive cubist random forest regression Environment and Natural Resources Agriculture and Food Government information

Water chemistry data with geographic coordinates from lakes primarily in the Sudbury area of Ontario since 1981. Several lakes spread …

Record Modified: Oct 22, 2025
Record Released: Jan 18, 2023
Publisher: Government of Ontario
Formats: CSV PDF HTML
Keywords: Sudbury water quality inland lakes water chemistry acid precipitation environmental monitoring reference Air Monitoring Network monitoring environment and natural resources