EESA06H3 Chapter Notes - Chapter 15: Human Body Temperature, Porosity, Losing Stream
Document Summary
It"s source is rain and show that falls to the ground and is soaked in depending on climate, land slope, soil and rock type, and vegetation. Saline water is a problem in saskatchewan and alberta. Pesticides and herbicides in crops can seep into it. Lasts indefinitely if it"s drawn at a rate equal or less than recharge rate. If drawn faster than recharge rate, it will run out. Oceans > glacier > groundwater > rivers and lakes. Can produce caves, sinkholes, petrified wood, hot springs, geysers. 30% of canada"s population relies on groundwater. When water under pressure rises in wells to a level above the top of the aquifer. Most develop when slightly acidic groundwater dissolves limestone along joints and bedding panes, opening up cavern systems as calcite is carried away in solution. Develops when cementing material precipitates locally in a rock.
