Coal and oil, for example, are consumed with incredible speed. But coal mines become exhausted. The situation is the same with oil. These sources of energy are not renewable and there is a need to discover other energy sources.
A dam is defined as any obstruction, wall or embankment, constructed for the purpose of storing water. Dams can be constructed of earth, concrete, wood or rock. Dams can provide many benefits such as water supply, flood control, hydroelectric power, fishing and recreation.
However, dams can also be a great threat to the safety and well being of downstream property and people if they are not properly constructed or maintained. Although their efficiency if nowhere near as high as most would think. These youngsters are susceptible to predators and nitrogen gas bubble disease caused by the dam.
This in turn makes it much harder for salmon to reproduce, keeping the population in good standing. Dams can easily reduce the size of the salmon community. They can displace us when they are built, forcing us to move from our homes.
Dams can also affect our beaches, which many enjoy; by trapping the sediment we are starving the beaches of a sediment source. About a year ago the dam was undergoing a fix up, involving lowering the level of water in the reservoir.
For months the river had become a muddy mess.
It affected everybody, specifically those who would normally take advantage of the trout fishing season. Normally people would be reeling in 30 to 40 trout a day but many had to travel to different rivers to fish.
The bugs are dying which the fish rely on during the winter, which will in turn kill the fish. Wild Salmon have been returning to the river less and less each year.
Breaching the dam has become an option. Breaching the dams would restore endangered wild salmon, return traditional sites and fisheries to Indian tribes and improve water quality. Many argue that the breaching of dams will result in an enormous loss in jobs.
Yes, jobs will be lost but not forever. Statistically half will find replacement jobs in less than eight week. The consequences may look dreadful but they are short-lived. Another example of an insufficient hydroelectric dam would be in Hawaii. Hydropower depends on a reliable flow of water to produce electricity.Essay art is power hydropower.
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What is essay mapping question answer statement of purpose essay sample workshops. Arguments For And Against Hydroelectric Power Environmental Sciences Essay. Print Reference this.
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Sep 26, · Death That Spurred Ethiopian Conspiracy Theories Is Ruled a Suicide. Semegnew Bekele was the engineer in charge of a $4 billion dam project .
- Hydropower as an Alternative Energy Source Water provides a very valuable resource. We use dams built to run water through turbines and produce electricity. There are many advantages and disadvantages to hydropower, though there are more advantages. Renewable Energy Presentation Outline In: Other Topics Submitted By lk Words Pages 2 INTRODUCTION Hydropower Hydropower is a renewable energy source based on the natural water cycle.
Hydropower is the most mature, reliable and cost . The large hydropower has a capacity of over thirty megawatts. The small hydropower has a capacity of a hundred kilowatts to thirty megawatts. Last but not least, the micro hydropower has a capacity up to a hundred kilowatts. [tags: Argumentative Essays, Persuasive Essays] Powerful Essays words | ( pages) | Preview.
Nuclear Power Is.