Quelltext der Seite Datei:Canada snow cover 1972-2016.png

Änderung der Schneebedeckung April-Juni 1972-2016 in Kanada in Mio. km2
== Lizenzhinweis ==
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|Quelle: Environmentand Climate Change Canada (2018) Canadian Environmental Sustainability Indicators: Snow cover. Consulted on Monthday, year. Available at: www.canada.ca/en/environment-climate-change/services/environmental-indicators/snow-cover.html<br>
Lizenz: Unless otherwise specified you may reproduce the materials in whole or in part for non-commercial purposes, and in any format, without charge or further permission
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