Hydro-Electric Power

Hydro-Electric Power

The Impacts of Hydro-Electric Power Lana Johnston Lakehead University Orillia Campus September 30, 2011 http://www.ontarionature.org/images/img_hydro_dam.jpg Water Quality Effects drinking water for people living in the area Temperature changes in the water effect the inhabitants of both up stream and down

Chemical changes, the stop of nutrient flow and added sediment in the water which will effect both plants and animals The run off water that is collected in holding pools allows for more evaporation and changes regular weather patterns (such as Lake Diefenbaker in the Prairies). Mercury A specific example of a decrease in the water quality is the production of mercury. Mercury is produced from the flooding of land and enters the food chain

As it works its way up the food chain it creates an effect called bioconcentration Because of the high levels of mercury in fish and birds, this can be a health risk for those that rely on these animals for consumption. Transportation, Housing and Way of Life Hunting and fishing are now a risk, whereas it may have been the main food source before There is no longer an option to travel up and down the rivers Some areas are flooded, forcing people out of

their homes (as well as plants and animals) Summer build up, winter release cause ice thickness to be unstable due to changing water levels which effects winter travel and hunting Potential Failure Possesses a high risk of major environmental concerns.

Collapsing dam could cause death for the workers (although, rare) as well as habitats Also, cause contamination and loss of irrigation and drinking water A large economic loss, property damage Dams that do not reach engineering standards anymore are taken down and this also causes threats to the environment Dam: Its Not All Bad Majority is used to harness renewable energy Some help secure a reliable source of water May reduce floods by

regulating water flow Irrigation in the Prairies Recreational uses Waterway navigation systems (and bridges) Also creating many jobs directly and indirectly

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