GEOG 2RC3 Lecture Notes - Lecture 1: Canadian Shield, Silt, Landform
15 Sep 2016
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Part 2 the physical environment: canada"s physiographic regions we want to describe the geography of canada chapter 2 deals with the physical environment. Purpose: to describe canada"s physical geography, to consider the relationship between physical and human geographies, examine the nature of environmental issues in canada. The suggestion is that the physical environment does change. We see the map shows that 9,000 years ago the falls were located in another place. 9,000 was about the time of the melting in the glacial period. Since the end of the last ice age 12,000 years ago the falls has retreated about 8km up the niagara river. Since father louis hennepin saw the falls in 1678 it retreated 300 m- 3 foot ball fields. Explanation for the retreat/ recession geologic composition of niagara escarpment. The niagara examples tells us about the fact that physical environment changes. Physiographic region: an area with distinct surface landform features (geomorphology) ex.
