Ontario radar digital surface model

The Ontario Radar Digital Surface Model (DSM) has the following features: * source data: 1 arc second spaceborne C-Band Interferometric Synthetic Aperture Radar (IFSAR) data * Ministry of Natural Resources (MNR) Lambert Conformal Conic Projection * vertical datum in both EGM96 and CGVD28, separately * elevation value: floating * local Polynomial Interpolation from vector elevation points * spatial resolution: 30 meter * asurface elevation model This product offers significant advancements in elevation data in the province. Read the details about these advancements and other technical specifications, including data processing, major spatial characteristics of the Radar DSM, and the steps to generate the Northern Ontario Radar DSM.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 19:48 (UTC)
Created	April 17, 2026, 19:48 (UTC)
contact_person	{"en": "Government of Ontario; Government of Ontario; Natural Resources and Forestry", "fr": "Gouvernement de l'Ontario; Gouvernement de l'Ontario; Natural Resources and Forestry"}
criticality_level	[]
data_dictionary	unknown,unknown,unknown
geographic_scope	[]
open_canada_collection	fgp
open_canada_date_published	2020-01-11 00:00:00
open_canada_keywords	{"en": ["Economy and Business", "Environment and Natural Resources", "Government", "Government information"], "fr-t-en": ["Économie et affaires", "Environnement et richesses naturelles", "Gouvernement", "Information gouvernementale"]}
open_canada_subject	["economics_and_industry"]
sensitivity_level	unrestricted
title_fr	Modèle numérique de surface par interférométrie radar pour l’Ontario
update_frequency	unknown