flood control dam

简明释义

防洪堤

英英释义

例句

1.After the heavy rains, the flood control dam was crucial in preventing overflow into nearby neighborhoods.

在暴雨过后，防洪大坝在防止附近社区溢水方面发挥了关键作用。

2.The flood control dam was designed to manage water levels during the rainy season effectively.

防洪大坝旨在有效管理雨季的水位。

3.The government invested in a new flood control dam to protect the town from seasonal flooding.

政府投资建造了一座新的防洪大坝，以保护小镇免受季节性洪水的侵袭。

4.Residents felt safer knowing that the flood control dam was in place to mitigate flood risks.

居民们感到更安全，因为知道有防洪大坝的存在可以减轻洪水风险。

5.Local authorities conducted an inspection of the flood control dam to ensure its structural integrity.

当地当局对防洪大坝进行了检查，以确保其结构完整性。

作文

Floods are one of the most devastating natural disasters that can occur, causing significant damage to infrastructure, homes, and livelihoods. To mitigate the impact of floods, various strategies have been implemented worldwide, among which the construction of flood control dams is a prominent solution. A flood control dam is a structure built across rivers or streams to regulate water flow and reduce the risk of flooding in downstream areas. These dams serve multiple purposes, including water conservation, hydroelectric power generation, and recreation, but their primary function is flood management.The design and construction of flood control dams involve careful planning and engineering to ensure they can withstand extreme weather events. These structures are typically equipped with spillways and gates that allow for controlled release of water during heavy rainfall or snowmelt. By managing the flow of water, flood control dams help maintain a balance between preventing floods and ensuring that sufficient water is available for agricultural and urban needs.One of the most significant advantages of flood control dams is their ability to protect communities from the catastrophic effects of flooding. For instance, the construction of the Hoover Dam in the United States has played a crucial role in regulating the flow of the Colorado River, preventing floods in surrounding areas while also providing water for irrigation and drinking. Similarly, the Three Gorges Dam in China has been instrumental in controlling the Yangtze River's flow, significantly reducing the risk of flooding in the densely populated regions downstream.However, the construction of flood control dams is not without its challenges and criticisms. Environmentalists often raise concerns about the ecological impact of damming rivers, as it can disrupt local ecosystems and displace communities. Additionally, poorly designed or maintained dams can pose a risk of failure, leading to catastrophic flooding if they cannot handle excessive water levels. Therefore, it is essential to approach the planning and construction of flood control dams with careful consideration of both human and environmental factors.In conclusion, flood control dams play an essential role in flood management and disaster risk reduction. While they offer significant benefits in terms of protecting communities and managing water resources, it is crucial to balance these benefits with environmental considerations and potential risks. As climate change continues to increase the frequency and intensity of extreme weather events, the role of flood control dams will become even more critical in safeguarding lives and property from the devastating impacts of floods. Continued investment in research, technology, and sustainable practices will be necessary to ensure that these structures can effectively fulfill their purpose while minimizing negative consequences.

洪水是最具破坏性的自然灾害之一，可能造成基础设施、房屋和生计的重大损失。为了减轻洪水的影响，全球实施了各种策略，其中建设防洪坝是一种突出解决方案。防洪坝是建造在河流或溪流上的结构，用于调节水流并减少下游地区洪水的风险。这些大坝具有多种功能，包括水资源保护、水电发电和休闲活动，但其主要功能是洪水管理。防洪坝的设计和建设涉及仔细的规划和工程，以确保它们能够承受极端天气事件。这些结构通常配备溢洪道和闸门，可以在暴雨或融雪期间控制释放水流。通过管理水流，防洪坝帮助维持防止洪水和确保农业及城市用水需求之间的平衡。防洪坝的一个显著优势是它们能够保护社区免受洪水灾害的影响。例如，美国胡佛大坝的建设在调节科罗拉多河流量方面发挥了关键作用，防止周边地区发生洪水，同时为灌溉和饮水提供水源。同样，中国的三峡大坝在控制长江流量方面也发挥了重要作用，显著降低了下游人口稠密地区的洪水风险。然而，建设防洪坝并非没有挑战和批评。环保人士常常对河流筑坝的生态影响表示担忧，因为这可能会破坏当地生态系统并使社区搬迁。此外，设计不当或维护不善的大坝可能会面临失效的风险，如果它们无法处理过量水位，将导致灾难性的洪水。因此，在规划和建设防洪坝时，必须仔细考虑人类和环境因素。总之，防洪坝在洪水管理和灾害风险降低中发挥着至关重要的作用。虽然它们在保护社区和管理水资源方面提供了显著的好处，但平衡这些好处与环境考虑和潜在风险至关重要。随着气候变化继续增加极端天气事件的频率和强度，防洪坝在保护生命和财产免受洪水破坏性影响方面的作用将变得更加重要。持续投资于研究、技术和可持续实践将是必要的，以确保这些结构能够有效地实现其目的，同时最小化负面后果。