Observation of dams good or bad. Good Dams, Bad Dams 2022-11-05

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Dams are structures that are built across rivers or other bodies of water in order to control the flow of water. They can be used for a variety of purposes, such as hydroelectric power generation, irrigation, flood control, and water storage. While dams can have many benefits, they can also have negative impacts on the environment and local communities. In this essay, we will explore both the good and bad aspects of dam construction and operation.

One of the main benefits of dams is their ability to generate electricity. Hydroelectric power is a clean and renewable energy source that can provide a significant portion of a country's energy needs. Dams can be used to generate electricity by releasing water through turbines, which turn generators to produce electricity. This process does not produce any greenhouse gases or other harmful emissions, making it a more environmentally friendly option than fossil fuels.

Dams can also be used to provide irrigation for agriculture, which can be particularly important in arid or semi-arid regions. By controlling the flow of water, dams can ensure that farmers have a reliable supply of water for their crops. This can help to increase food production and improve the livelihoods of local communities.

Another benefit of dams is their ability to reduce the risk of flooding. By holding back water during times of high flow, dams can help to prevent flooding downstream. This can protect communities and infrastructure from the destructive effects of flood waters, such as damage to homes, roads, and bridges.

However, dams can also have negative impacts on the environment and local communities. One of the main concerns is the loss of habitat for plants and animals. When a dam is built, it can alter the flow of water and change the natural habitat of the area. This can lead to the loss of breeding and feeding grounds for fish and other aquatic species, as well as the loss of habitat for plants and animals that depend on the river or lake.

In addition, dams can also cause changes to the water quality of the area. By holding back water, dams can lead to the accumulation of sediment and other pollutants, which can affect the health of the ecosystem. This can also have negative impacts on the health of humans who rely on the water for drinking, irrigation, or other purposes.

Furthermore, dam construction can also lead to social and economic impacts on local communities. In some cases, dams have displaced communities who have lived in the area for generations. This can lead to the loss of homes, farmland, and other assets, as well as the disruption of cultural and social ties.

In conclusion, dams can have both good and bad impacts on the environment and local communities. While they can provide benefits such as hydroelectric power, irrigation, and flood control, they can also have negative impacts on habitat, water quality, and local communities. Therefore, it is important to carefully consider the potential impacts of dam construction and operation before proceeding with a project.

Are dams good or bad?

observation of dams good or bad

In China, Three Gorges dam has displaced over one million people. A new company is looking to change that by creating biodegradable golf balls. So we need to figure it how to use it more sustainably. Synthesis Essay About Water Pollution 885 Words 4 Pages Water Pollution is a huge environmental problem that has serious effects on marine habitats, animals, and water quality. Constant power generation: While fossil fuel and thermal power plants rely on the available natural sources, which are fast depleting, hydroelectric plants with constant supply of renewable resource water and average life of around 100 years are a long-term investment that keep providing electricity for generations to come.

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Hydroelectric Dams Pros and Cons: Everything You Need to Know

observation of dams good or bad

As much as the infrastructure is changing, most of these river dams are aging and in need of repairs, rehabilitation, or even removal if they have outlived their original purpose. Unlike nuclear power plants that generate electricity from a radioactive substance causing air and water pollution through radioactive rays and nuclear wastes, hydroelectricity does not produce poisonous bi-products and thus, keeps the air or water fresh and clean. The initial expense to economy and ecology makes it less so. They ensure against the possibility of drought, right? By gathering water in reservoirs, they store hydropower for later use in the event of extended dry conditions. As with much U.

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Good Dams and Bad Dams : Environmental Criteria for Site Selection of Hydroelectric Projects

observation of dams good or bad

These works are necessary, as the original channels have become undersized as a result of the increase in flood flows caused by development. Though hydro power is considered a clean and safe source of electric power, the debate is still on to undermine its various ill factors affecting the eco system and habitat around. Dams are created as a source of energy, however sabotaging clean water is not worth the risk because we need water to California O Shaughnessy Dam Analysis 1428 Words 6 Pages The progressive era in the United States helped to spawn one of the first great conservative movements in the country. Regulates Water Supply Damming a river means restricting the flow of the previously flowing water to form a human-made reservoir. China has the Three Georges Dam on their major river. Dams are bad for the enviorment, because they block the nautral flow of a river, and don't allow fish to reach their breeding grounds. Despite that, the Hoover… Different techniques for providing fresh water to arid regions of the world.


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The good, the bad and the ugly about hydroelectricity

observation of dams good or bad

In California, the Winnemem Wintu tribe fights a Shasta Dam add-on that will flood vital sacred sites. Solar and wind can provide far more reliable, long-term energy than hydropower with far fewer environmental costs. . There can be both positive and negative impacts of dams. Hydroelectric power can seriously damage the climate: Experts have confirmed that the hydropower plant dams can pollute the nature by emitting carbon dioxide and methane. Though there is number of plus factors for this traditional hydro electric power, its visibility is not as significant as any other eco friendly power source like solar or wind. The rated capacity of the turbine arrays is 250kW per unit.

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Good Dams, Bad Dams

observation of dams good or bad

The positive and negative effects of dams have been stated as follows. Utilizing this dynamism to human advantage is a practice as old as ancient Greece, where water wheels powered the grain milling process. Once viewed as symbols of engineering progress, many critics now say dams do more harm than good. Properly managed dams can provide many benefits to wildlife and the environment in general. CARE Electric says that their system generates up to 90 percent of the total capacity of the generator which is substantially higher than conventional systems.

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Are River Dams Good or Bad for the Environment?

observation of dams good or bad

Dams are also used to store water for electricity production. These catchments then get degraded. Although water is a renewable resource, it is not infinite, especially all the time. Huge reservoir surfaces mean terrible annual evaporation losses. Now in the present day, people are realizing how valuable our national parks are, and how we should stop destroying them. The federal government recommends removing the Edwards Dam, saying its most useful days are in the past.

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Are Dams Good Or Bad

observation of dams good or bad

The dam intentionally had its purposes, for example its production would supply jobs in the time of the Great Depression. The tallest hydropower dam in the world is the Rogun Dam situated in Russia with 335 meters height. Projects with a small reservoir surface area relative to power generation tend to be most desirable from both an environmental and social standpoint, in part because they minimize natural habitat losses as well as resettlement needs. The same story can be found across the country and around the world. The fact that dams have the potential for adverse effects cannot be denied, but many of these can be reduced or eliminated with good siting and operation, plus modern mitigation practices. Benefits include preventing floods, providing drinking water, and facilitating irrigation.

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Are River Dams Good or Bad? Our experts debate the issue

observation of dams good or bad

The fisherman and farmers living near the water are also affected by this imbalance causing harm to their crops and animals. No harmful bi-products: Another advantage of hydroelectricity or hydro power plant is that it does not leave any air or water pollutants during power generation. Globally, about 3,700 new major dams are planned or under construction. Hydroelectric plants receive funding from private sources and from supra-national organizations like the World Bank. Disrupts the environment Flooding of surrounding areas displaces the existing wildlife and can disrupt the whole ecosystem. Only one large renovation was undertaken to refresh its state, else it is still going strong to capture the hydropower. Safe Few worries attend to the safety and soundness of hydropower generation.

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Positive and negative effects of Dams

observation of dams good or bad

Since no fuel is burned The dams also provide ancillary environmental benefits. Though once installed it does not call for any expenses of its own, it does make other habitats around to cry for help. In the enthusiasm to build more dams, planners should bear in mind the ubiquitous needs for water. What difference will it make This method of hydropower ensures that marine life is not disturbed and balance is maintained in the ecosystem. . This process, in turn, leads to an increase in the production of greenhouse gases.

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