gravel pocket

简明释义

砾石填坑

英英释义

例句

1.We discovered a large gravel pocket 碎石口袋 while digging for the new pathway.

在挖掘新小径时，我们发现了一个大的gravel pocket 碎石口袋。

2.The gravel pocket 碎石口袋 helps prevent soil erosion on the hillside.

这个gravel pocket 碎石口袋有助于防止山坡上的土壤侵蚀。

3.During the landscaping project, we placed a gravel pocket 碎石口袋 to help with drainage in the garden.

在园林项目中，我们放置了一个gravel pocket 碎石口袋来帮助花园排水。

4.The gravel pocket 碎石口袋 acts as a natural filter for rainwater runoff.

这个gravel pocket 碎石口袋作为雨水径流的天然过滤器。

5.The construction workers filled the gravel pocket 碎石口袋 with stones to create a solid foundation.

施工工人用石头填充了gravel pocket 碎石口袋，以建立坚固的基础。

作文

In the realm of geology and environmental science, the term gravel pocket refers to a localized accumulation of gravel that can significantly influence the surrounding ecosystem. These pockets often form in riverbeds, lakeshores, or even in construction sites where sedimentation occurs. Understanding the formation and characteristics of a gravel pocket is crucial for various reasons, including water management, habitat conservation, and urban planning.Gravel pockets are typically created through natural processes such as erosion and deposition. When water flows over a surface, it can carry sediments of various sizes. As the speed of the water decreases, larger particles like gravel settle down to form these pockets. This process is vital for maintaining healthy aquatic ecosystems, as gravel pockets provide essential habitats for many species of fish and invertebrates. For example, salmon rely on gravel pockets for spawning, as the gravel provides a safe place for their eggs to develop away from predators.Moreover, gravel pockets play a significant role in the filtration of water. As water passes through these gravel formations, impurities and pollutants are naturally filtered out, leading to cleaner water entering larger bodies of water. This natural filtration system is particularly important in urban areas where runoff can carry harmful substances into streams and rivers.From an engineering perspective, understanding the dynamics of gravel pockets is essential for effective construction and land use planning. Engineers must consider the presence of these pockets when designing structures such as bridges, roads, and dams. If a gravel pocket is disturbed during construction, it could lead to erosion, flooding, or other environmental issues. Therefore, assessing the location and stability of gravel pockets before beginning any construction project is critical.Additionally, gravel pockets can also serve as valuable resources for construction materials. The gravel extracted from these pockets is often used in concrete production, road building, and landscaping. However, this extraction must be done sustainably to prevent the degradation of the environment. Over-extraction can lead to habitat loss and increased erosion, highlighting the need for careful management of these natural resources.In conclusion, the concept of a gravel pocket encompasses much more than just a simple collection of stones. It represents a critical component of our natural environment that supports biodiversity, aids in water purification, and impacts human activities. Recognizing the importance of gravel pockets allows us to appreciate their role in both ecological balance and urban development. As we continue to navigate the challenges of environmental conservation and urban growth, understanding and preserving these unique geological features will be vital for future generations. By fostering a deeper awareness of gravel pockets, we can strive towards a more sustainable coexistence with our natural surroundings.

在地质和环境科学的领域中，术语gravel pocket指的是局部的砾石积累，这可以显著影响周围的生态系统。这些口袋通常形成于河床、湖岸，甚至是沉积发生的建筑工地。理解gravel pocket的形成和特征对于水管理、栖息地保护和城市规划等多个方面至关重要。砾石口袋通常通过自然过程如侵蚀和沉积形成。当水流过表面时，它可以携带各种大小的沉积物。当水速减慢时，较大的颗粒如砾石会沉积下来形成这些口袋。这个过程对于维持健康的水生生态系统至关重要，因为gravel pockets为许多鱼类和无脊椎动物提供了必要的栖息地。例如，鲑鱼依赖于gravel pockets进行产卵，因为砾石为它们的卵子提供了一个安全的地方，使其远离捕食者。此外，gravel pockets在水过滤中也发挥着重要作用。当水通过这些砾石结构时，杂质和污染物会被自然过滤掉，从而使进入大水体的水更清洁。这种自然过滤系统在城市地区尤其重要，因为径流可能会将有害物质带入溪流和河流。从工程的角度来看，了解gravel pockets的动态对于有效的建设和土地利用规划至关重要。工程师在设计桥梁、道路和水坝等结构时，必须考虑这些口袋的存在。如果在施工过程中扰动了gravel pocket，可能会导致侵蚀、洪水或其他环境问题。因此，在开始任何建设项目之前，评估砾石口袋的位置和稳定性是关键。此外，gravel pockets也可以作为建筑材料的宝贵资源。从这些口袋中提取的砾石通常用于混凝土生产、道路建设和景观美化。然而，这种提取必须以可持续的方式进行，以防止环境退化。过度提取可能导致栖息地丧失和侵蚀加剧，突显出对这些自然资源进行仔细管理的必要性。总之，gravel pocket的概念不仅仅是简单的石头集合。它代表着我们自然环境中的一个关键组成部分，支持生物多样性，帮助水净化，并影响人类活动。认识到gravel pockets的重要性使我们能够欣赏它们在生态平衡和城市发展中的作用。在继续应对环境保护和城市增长挑战的过程中，理解和保护这些独特的地质特征对于未来几代人将至关重要。通过增强对gravel pockets的认识，我们可以努力实现与自然环境的更可持续共存。