sheet flow

简明释义

片流

英英释义

例句

1.The erosion caused by sheet flow 片流 can significantly impact soil health.

由片流造成的侵蚀会显著影响土壤健康。

2.To prevent flooding, engineers installed barriers to redirect sheet flow 片流 away from homes.

为了防止洪水，工程师安装了障碍物以将片流引导远离住宅。

3.During heavy rain, the water created a sheet flow 片流 across the parking lot.

在大雨期间，水在停车场形成了一个片流。

4.Farmers often face challenges with sheet flow 片流 during the rainy season.

农民在雨季常常面临片流的挑战。

5.The landscape architect designed the garden to manage sheet flow 片流 effectively.

景观设计师设计了花园，以有效管理片流。

作文

In the study of hydrology and environmental science, understanding the concept of sheet flow is essential. Sheet flow refers to the thin layer of water that flows over a surface, typically in a uniform manner. This phenomenon often occurs during rainfall when the soil becomes saturated, and excess water begins to move across the land. Unlike concentrated flow in streams or rivers, sheet flow spreads out evenly across the surface, which can significantly affect erosion and sediment transport processes.One of the critical aspects of sheet flow is its role in the hydrological cycle. When rain falls, it does not always infiltrate the ground; instead, some of it runs off the surface. This runoff can take various forms, but sheet flow is particularly important in areas with gentle slopes or flat terrain. In these regions, water moves slowly and uniformly, allowing it to cover larger areas before it eventually reaches a stream or river.The impact of sheet flow on the environment cannot be overstated. For example, it plays a crucial role in transporting nutrients from the soil into nearby water bodies. While this can be beneficial for aquatic ecosystems, excessive sheet flow can lead to problems such as nutrient pollution, which can result in algal blooms and other ecological issues. Therefore, understanding how sheet flow works is vital for managing water quality and maintaining healthy ecosystems.Moreover, sheet flow is also a significant factor in soil erosion. As water moves across the surface, it can dislodge soil particles and carry them away. This process can lead to the degradation of land, reducing its agricultural productivity and altering landscapes. Farmers and land managers need to be aware of sheet flow dynamics to implement effective soil conservation practices. Techniques such as contour farming, terracing, and the use of cover crops can help mitigate the negative effects of sheet flow by slowing down water movement and promoting infiltration.In urban areas, sheet flow can contribute to flooding, especially when impermeable surfaces like concrete and asphalt prevent water from soaking into the ground. Stormwater management systems must account for sheet flow to minimize flooding risks and protect infrastructure. Engineers and urban planners often design retention basins and green roofs to manage sheet flow effectively, ensuring that excess water is collected and gradually released into the environment.In conclusion, sheet flow is a fundamental concept in understanding water movement across landscapes. Its implications for hydrology, ecology, agriculture, and urban planning are significant. By recognizing the importance of sheet flow, we can better manage our natural resources and protect our environment. Whether through sustainable farming practices or effective urban design, addressing the challenges associated with sheet flow will pave the way for healthier ecosystems and communities.

在水文学和环境科学的研究中，理解sheet flow的概念至关重要。Sheet flow指的是在表面上以均匀方式流动的一层薄水。这种现象通常发生在降雨时，当土壤饱和，过量的水开始在土地上移动时。与溪流或河流中的集中流动不同，sheet flow在表面上均匀分布，这可能会显著影响侵蚀和沉积物运输过程。Sheet flow的一个关键方面是它在水文循环中的作用。当雨水落下时，并非所有的水都能渗入地下；相反，其中一些会在表面上流动。这种径流可以采取多种形式，但在坡度平缓或地势平坦的地区，sheet flow特别重要。在这些区域，水流动缓慢且均匀，使其能够在到达溪流或河流之前覆盖更大面积。Sheet flow对环境的影响不可小觑。例如，它在将养分从土壤运输到附近水体方面发挥着至关重要的作用。虽然这对水生生态系统有利，但过量的sheet flow可能导致营养污染，从而导致藻类繁殖和其他生态问题。因此，理解sheet flow的工作原理对于管理水质和维持健康生态系统至关重要。此外，sheet flow也是土壤侵蚀的重要因素。当水在表面上移动时，它会撬动土壤颗粒并将其带走。这个过程可能导致土地退化，减少农业生产力并改变景观。农民和土地管理者需要意识到sheet flow的动态，以实施有效的土壤保护措施。诸如等高线耕作、梯田和使用覆盖作物等技术可以通过减缓水流动和促进渗透来帮助减轻sheet flow的负面影响。在城市地区，sheet flow可能导致洪水，尤其是在混凝土和沥青等不透水表面阻止水分渗入地下时。暴雨水管理系统必须考虑sheet flow以最小化洪水风险并保护基础设施。工程师和城市规划者通常设计滞留池和绿色屋顶，以有效管理sheet flow，确保多余的水被收集并逐渐释放到环境中。总之，sheet flow是理解水在景观中运动的基本概念。它对水文学、生态学、农业和城市规划的影响是显著的。通过认识到sheet flow的重要性，我们可以更好地管理自然资源并保护我们的环境。无论是通过可持续的农业实践还是有效的城市设计，解决与sheet flow相关的挑战将为更健康的生态系统和社区铺平道路。