ESS102H1 Lecture : Lectures 9 and 10
Document Summary
Lecture 9: only these slides will be eligible to use on the exam. Slide2 increasing in density [the air space is reduced] glacial ice=less dense then water. Movements can be stationary however, today its mostly retreating. Slide13 sheep=glacier breaks one side of mountain via pressure, while making one smooth in the same way. Striations=scratches via the dirt and rocks within the ice as it moves. Made by streams that flowed underneath the glacier. Low-pressure center= air rises and cools therefore needs be rid of as rain. Slide21 deserts are not necessary dirt, they are arid. Up swelling=cold water replaces hot water as it evaporates [brings up much nutrients near coastal area, but coast is dry]. Slide24 theory= earths many orbits of the sun effect the amount of sunlight the earth directly receives. Varied orbit means more of less light which means more or less glaciations.