EESA10H3 Lecture Notes - Lecture 3: Surface Runoff, Geomorphology, Aquifer
12 Jun 2014
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Document Summary
97. 4% of all water is found in oceans and saline lakes. World"s problems: some areas have lots of water but the largest rivers are far from agricultural and population centers, lots of precipitation arrives during short period but cannot be collected and stored, shrank of lakes and rivers. Water and your health: we are in desperate need for help drinking water and swimming water. If we withdraw all this water more than can be naturally replenished that water reservoir will shrink and it will not last forever. If you see cepa that is the canadian environmental protection agency: this agency does a lot of work regarding different issues setting standards for soil, water based on their research, epa sets standards for approximately 90 chemical contaminants. Microbes in drinking water: bacteria, viruses, protozoa most common, everybody has heard of e. coli that germ is coming in water from the sewage of animal or human waste.
