sea wall
简明释义
防波堤
英英释义
A sea wall is a structure built along the coastline to protect the land from the action of the sea, including waves and erosion. | 海堤是沿海岸线建造的结构,用于保护土地免受海水、波浪和侵蚀的影响。 |
例句
1.During the storm, the sea wall held up remarkably well against the waves.
在暴风雨期间,海堤在巨浪面前表现得非常坚固。
2.The sea wall was built to prevent flooding in the nearby towns.
为了防止附近城镇的洪水,修建了海堤。
3.The city invested in a new sea wall to protect the coastline from erosion.
这个城市投资了新的海堤以保护海岸线免受侵蚀。
4.Children love to play near the sea wall, watching the waves crash against it.
孩子们喜欢在海堤附近玩耍,看着海浪撞击它。
5.Local fishermen often complain that the sea wall disrupts their fishing spots.
当地渔民常常抱怨海堤干扰了他们的捕鱼地点。
作文
The coastal regions of the world are often subjected to the relentless forces of nature, including powerful waves and rising sea levels. To protect these areas from erosion and flooding, many countries have constructed structures known as sea walls. A sea wall is a formidable barrier built along the shoreline, designed to absorb and deflect the energy of incoming waves. These walls serve multiple purposes, including safeguarding coastal properties, preserving beaches, and maintaining the integrity of infrastructure. Historically, the concept of the sea wall dates back to ancient civilizations, where early engineers recognized the need to protect their settlements from the encroaching sea. Today, modern engineering has allowed for the design and construction of sea walls that are not only functional but also aesthetically pleasing. Many contemporary sea walls incorporate materials such as reinforced concrete, which can withstand harsh marine environments and provide long-lasting protection.One of the primary benefits of a sea wall is its ability to mitigate coastal erosion. Erosion is a natural process that can be accelerated by human activities and climate change. As sea levels rise, the risk of flooding increases, threatening homes, businesses, and ecosystems. By constructing a sea wall, communities can create a physical barrier that helps to prevent the loss of land and protects vital infrastructure from storm surges and high tides.However, the construction of sea walls is not without its challenges. While they provide immediate protection, they can also lead to unintended consequences. For instance, the presence of a sea wall can alter natural sediment transport processes, leading to increased erosion in adjacent areas. This phenomenon is known as 'terminal groin effect,' where the protected area experiences stability, while neighboring regions may suffer from accelerated erosion due to the disruption of natural currents.Moreover, the aesthetic impact of sea walls cannot be overlooked. In some coastal towns, the construction of these barriers has led to a change in the landscape, affecting tourism and local economies. Communities must weigh the benefits of protection against the potential drawbacks of altering their natural environment. Some argue that instead of building sea walls, investing in natural solutions such as restoring mangroves or creating living shorelines may provide more sustainable long-term benefits.In conclusion, sea walls are vital structures that play an essential role in protecting coastal areas from the forces of nature. They help to mitigate erosion and safeguard infrastructure, but their construction must be carefully considered to avoid negative environmental impacts. As climate change continues to pose challenges to coastal communities, the debate over the best methods of protection will likely intensify. Finding a balance between human needs and environmental sustainability will be crucial in shaping the future of our coastlines. Ultimately, whether through the use of sea walls or alternative measures, the goal remains the same: to preserve our coastal regions for generations to come.
世界沿海地区经常受到自然力量的无情侵袭,包括强大的海浪和上升的海平面。为了保护这些地区免受侵蚀和洪水的影响,许多国家建造了被称为海堤的结构。海堤是沿海岸线修建的一种强大屏障,旨在吸收和偏转涌来海浪的能量。这些墙体有多重目的,包括保护沿海财产、维护海滩和保持基础设施的完整性。历史上,海堤的概念可以追溯到古代文明,那时早期工程师认识到保护他们的定居点免受海洋侵袭的必要性。如今,现代工程技术使得设计和建造的海堤不仅具有功能性,还具有美观性。许多当代海堤采用了如钢筋混凝土等材料,能够承受恶劣的海洋环境并提供持久的保护。海堤的主要好处之一是它能够减轻沿海侵蚀。侵蚀是一个自然过程,但人类活动和气候变化可能加速这一过程。随着海平面的上升,洪水的风险也在增加,威胁着房屋、企业和生态系统。通过建设海堤,社区可以创建一个物理屏障,帮助防止土地流失,并保护重要基础设施免受风暴潮和高潮的影响。然而,海堤的建设并非没有挑战。虽然它们提供了即时保护,但也可能导致意想不到的后果。例如,海堤的存在可能会改变自然沉积物运输过程,从而导致相邻区域的侵蚀加剧。这种现象被称为“终端堤效应”,受保护区域经历稳定,而邻近区域可能因自然水流的干扰而遭受加速侵蚀。此外,海堤的美学影响也不容忽视。在一些沿海城镇,建设这些屏障导致了景观的变化,影响了旅游业和地方经济。社区必须权衡保护的好处与改变自然环境的潜在缺点。有些人认为,与其建造海堤,不如投资于恢复红树林或创建活岸等自然解决方案,以提供更可持续的长期利益。总之,海堤是至关重要的结构,在保护沿海地区免受自然力量影响方面发挥着重要作用。它们有助于减轻侵蚀和保护基础设施,但其建设必须经过仔细考虑,以避免对环境造成负面影响。随着气候变化继续对沿海社区构成挑战,关于最佳保护方法的辩论可能会加剧。在满足人类需求与环境可持续性之间找到平衡,将是塑造我们海岸线未来的关键。最终,无论是通过使用海堤还是替代措施,目标始终如一:保护我们的沿海地区,为子孙后代留存。
相关单词