lock-and-dam method

简明释义

闸坝法

英英释义

A method used in hydraulic engineering involving a series of locks and dams to control water flow and navigation on rivers.

一种用于水利工程的方法,通过一系列闸门和大坝来控制河流的水流和航行。

例句

1.Many waterways in the Midwest utilize the lock-and-dam method 闸坝法 for better navigation.

中西部的许多水道利用lock-and-dam method 闸坝法来改善航行。

2.The construction of the new dam incorporated the lock-and-dam method 闸坝法 to manage flood risks.

新大坝的建设采用了lock-and-dam method 闸坝法来管理洪水风险。

3.Engineers discussed the efficiency of the lock-and-dam method 闸坝法 during the project meeting.

在项目会议上,工程师们讨论了lock-and-dam method 闸坝法的效率。

4.The lock-and-dam method 闸坝法 is essential for maintaining a stable water level in the canal.

在运河中,lock-and-dam method 闸坝法对于保持稳定的水位至关重要。

5.The river navigation was improved using the lock-and-dam method 闸坝法 to control water levels.

通过使用lock-and-dam method 闸坝法,河流航行得到了改善,水位得到了控制。

作文

The concept of the lock-and-dam method is integral to modern civil engineering, particularly in the context of managing waterways. This method involves the construction of locks and dams along rivers and canals to facilitate navigation and control water levels. The lock-and-dam method serves multiple purposes: it allows boats to pass through different elevations of water, prevents flooding, and helps maintain a consistent water level for irrigation and other uses.Historically, before the advent of the lock-and-dam method, navigating rivers was fraught with challenges. Boats often struggled against strong currents or had to contend with low water levels during droughts. The introduction of locks allowed vessels to be raised or lowered between different sections of a river, making transportation more efficient and safer. Dams play a crucial role in this system by creating reservoirs, which store water and regulate flow downstream.One of the most notable examples of the lock-and-dam method in action is the system found on the Mississippi River. This extensive network of locks and dams has transformed the river into a navigable waterway, supporting both commercial and recreational boating. The benefits of this system extend beyond just navigation; it also provides flood control and enhances water quality by regulating flow rates.Moreover, the lock-and-dam method is essential for environmental management. By controlling water levels, it helps to create habitats for various aquatic species and maintains the ecological balance within river systems. However, the construction and maintenance of locks and dams are not without challenges. Environmentalists often raise concerns about the impact of these structures on fish migration and the overall health of river ecosystems.In recent years, there has been a push towards improving the lock-and-dam method to make it more environmentally friendly. Innovations such as fish ladders and bypass channels have been developed to allow fish to navigate around dams, ensuring that aquatic life can thrive despite human interventions. These advancements highlight the importance of balancing human needs with environmental conservation.In conclusion, the lock-and-dam method represents a significant achievement in engineering and environmental management. It has revolutionized the way we interact with our waterways, providing essential services while also posing challenges that require ongoing attention and innovation. As we move forward, it is crucial to continue refining this method to ensure that it meets the needs of both society and the environment in a sustainable manner.

“闸坝法”的概念是现代土木工程的重要组成部分,特别是在管理水道的背景下。该方法涉及在河流和运河沿线建造闸门和坝,以促进航行和控制水位。“闸坝法”有多种用途:它允许船只通过不同水位的区域,防止洪水,并帮助维持灌溉和其他用途所需的一致水位。历史上,在“闸坝法”出现之前,航行河流常常面临许多挑战。船只常常要与强烈的水流抗争,或在干旱期间不得不应对低水位的困扰。锁的引入使得船只能够在河流的不同部分之间升降,从而使运输更加高效和安全。大坝在这一系统中发挥着至关重要的作用,它们创造了水库,储存水并调节下游的流量。“闸坝法”在密西西比河上的一个显著例子。这一广泛的闸坝网络使得该河流成为一条可航行的水道,支持商业和休闲航行。这个系统的好处不仅限于航行;它还提供洪水控制,并通过调节流速来提高水质。此外,“闸坝法”对于环境管理至关重要。通过控制水位,它有助于为各种水生物种创造栖息地,并维持河流系统内的生态平衡。然而,闸门和大坝的建设和维护并非没有挑战。环保人士经常对这些结构对鱼类迁徙和河流生态系统整体健康的影响表示担忧。近年来,人们一直在推动改善“闸坝法”,使其更具环保性。鱼梯和旁通渠道等创新被开发出来,以便让鱼类能够绕过大坝,从而确保水生生物能够在尽管有人类干预的情况下繁衍生息。这些进展突显了在满足人类需求与环境保护之间保持平衡的重要性。总之,“闸坝法”代表了工程和环境管理的重大成就。它彻底改变了我们与水道的互动方式,提供了必要的服务,同时也带来了需要持续关注和创新的挑战。随着我们向前发展,继续完善这一方法以确保其以可持续的方式满足社会和环境的需求至关重要。