Climatic Regions Thornthwaite Classification Thermal Efficiency Regions

Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the distribution for the two thermal aspects of Thornthwaite's climate classification system. There is thermal efficiency (a measure of heat received at the ground) shown as coloured areas in five classes and summer concentration of thermal efficiency shown by linework separating the eight classes. The climatic data for 1941 to 1970 is used for both aspects.

Data and Resources

Field Value
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • Canada
  • GEO
  • GEOSS
  • National
  • North America
author_email NRCan.geogratis-geogratis.RNCan@canada.ca
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license_id ca-ogl-lgo
license_title ca-ogl-lgo
maintainer_email NRCan.geogratis-geogratis.RNCan@canada.ca
metadata_created 2025-11-25T06:50:26.782813
metadata_modified 2025-11-25T06:50:26.782817
notes Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the distribution for the two thermal aspects of Thornthwaite's climate classification system. There is thermal efficiency (a measure of heat received at the ground) shown as coloured areas in five classes and summer concentration of thermal efficiency shown by linework separating the eight classes. The climatic data for 1941 to 1970 is used for both aspects.
num_resources 4
num_tags 8
title Climatic Regions Thornthwaite Classification Thermal Efficiency Regions
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