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What is the advantage and disadvantage of hydropower?
Pros and cons of hydroelectric energy
| Pros | Cons |
|---|---|
| Renewable | Environmental consequences |
| Low emissions | Expensive to build |
| Reliable | Drought potential |
| Safe | Limited reserves |
Why hydropower is bad?
Just as reducing downstream water flow can cause a loss of habitat, creating reservoirs to generate electricity in storage and pumped storage hydropower systems often cause upstream flooding that destroys wildlife habitats, scenic areas, and prime farming land.
What are the advantages and disadvantages of hydropower plant Class 10?
Advantages of Hydroelectricity: It is a clean and non-polluting source of energy. No fuel is required….Disadvantages of Hydroelectricity:
- Highly expensive.
- Large areas of human habitation and agricultural fields are submerged.
- Dams can be made in limited areas.
What are the disadvantages of hydropower Class 8?
Disadvantages of Hydroelectricity: Highly expensive. Large areas of human habitation and agricultural fields are submerged. Dams can be made in limited areas….Hydroelectricity
- It is a clean and non-polluting source of energy.
- No fuel is required.
- Dams are constructed near rivers.
What are the disadvantages of hydroelectric energy Mcq?
They are not Non-renewable because water is inexhaustible. It is not continuous source of energy because its output fluctuates with change in flow rate of water with season.
How do hydroelectric dams affect animals?
Hydroelectric dams block migrating fish from getting to their spawning grounds. It is believed that the dams have not only separated the Salmon from their spawning grounds, but also affected the water temperature. The reservoir releases warmer water that’s unsuitable for young Salmon and the their eggs.
How does hydropower affect water quality?
Hydropower dams degrade water quality along rivers. Water that flows downstream from the dams is depleted of oxygen, which harms many aquatic animals. The reservoirs above dams are susceptible to harmful algal blooms, and can leach toxic metals such as mercury from submerged soil.
What are the negative consequences of using hydropower?
Hydropower has the ability to generate electricity without emitting greenhouse gasses. However, it can also cause environmental and social threats, such as damaged wildlife habitat, harmed water quality, obstructed fish migration, and diminished recreational benefits of rivers .
What are the three benefits or advantages of hydropower?
Advantages of Hydropower A Cheap Source of Energy. Despite expensive upfront building costs, hydroelectric power is one of the cheapest sources of energy. The Renewable Nature. Hydroelectricity is considered a renewable source of energy as it uses the earth’s water to produce electricity. Clean Energy Source. Flexible. Efficient and Reliable. Safe.
How does hydropower harm the environment?
While hydropower does not cause water or air pollution, it does have an environmental impact: Hydroelectric power plants may harm fish populations, change water temperature and flow (disturbing plants and animals) and force the relocation of people and animals who live near the dam site.
What is bad about hydropower?
As against the popular assumption that the hydropower is an environment friendly source, in actual it affects the eco system to a large extent. Hydroelectric power can seriously damage the climate: Experts have confirmed that the hydro power plant dams can pollute the nature by emitting carbon dioxide and methane.