Geography 2011A/B Study Guide - Midterm Guide: North American Free Trade Agreement, System Model, Imagined Community
7 Apr 2016
School
Department
Course
Professor
Document Summary
Ontario: iroquois word for lake , sparkling water . Ontario lies in two natural regions: canadian shield best summed up by 3 words. Between 1. 5 - 3. 5 billion years old. High mountains eroded down to rocky ridges. Thousands of lakes glaciaion over millions of years. Massive ice sheets scoured and gouged the earth changing drainage paterns. Glaciers scraped the soil from the rocks. Since the last ice age ended 15,000 years ago in southern ontario, but only 6,000 years ago in northern quebec, the land has become covered with a thick boreal forest of coniferous trees. Jack pine, balsam ir, white and black spruce. Trees coninue north to treeline where trees dwindle and tundra begins. Hudson bay plains largest wetland in canada third largest wetland in the world vast sodden plain slopes toward sea at gradient < 1m/km. Water in form of permafrost underlies much of region.
