silt carrying capacity

简明释义

携砂量

英英释义

例句

1.Engineers must consider the silt carrying capacity 淤泥承载能力 when designing flood control systems.

工程师在设计防洪系统时必须考虑淤泥承载能力。

2.Agricultural practices can significantly affect the silt carrying capacity 淤泥承载能力 of nearby waterways.

农业实践会显著影响附近水道的淤泥承载能力。

3.The silt carrying capacity 淤泥承载能力 of a stream can change with seasonal rainfall.

溪流的淤泥承载能力可能会因季节性降雨而变化。

4.Monitoring the silt carrying capacity 淤泥承载能力 helps in managing sedimentation in lakes.

监测淤泥承载能力有助于管理湖泊中的沉积物。

5.The river's silt carrying capacity 淤泥承载能力 was measured to determine its health.

为了评估河流的健康状况，测量了其淤泥承载能力。

作文

The concept of silt carrying capacity is crucial in understanding the dynamics of river ecosystems and sediment transport. It refers to the maximum amount of silt that a river or stream can transport at any given time without causing significant changes to its flow or sediment deposition patterns. This capacity is not static; it varies with factors such as water flow, sediment supply, and the physical characteristics of the riverbed. Understanding the silt carrying capacity is essential for managing waterways, especially in the context of environmental conservation and flood risk management.In many regions, human activities such as agriculture, deforestation, and urbanization have significantly altered the natural landscape. These changes can lead to increased erosion and sediment runoff, which in turn affects the silt carrying capacity of rivers. When the amount of silt entering a river exceeds its carrying capacity, it can result in several ecological problems. For instance, excessive siltation can smother aquatic habitats, disrupt the life cycles of fish, and reduce water quality by increasing turbidity.Moreover, understanding the silt carrying capacity is vital for infrastructure planning. Engineers and environmental scientists must consider this factor when designing bridges, dams, and other structures near water bodies. If a river's carrying capacity is exceeded, it can lead to sediment buildup that may threaten the stability of these structures.To assess the silt carrying capacity of a river, scientists often conduct field studies that involve measuring water flow rates, sediment concentrations, and particle sizes. This data helps in modeling how changes in land use or climate can impact the river's ability to carry silt. For example, during heavy rainfall events, rivers may experience a surge in sediment load, temporarily exceeding their carrying capacity. Understanding these dynamics is critical for predicting and mitigating the impacts of flooding.Additionally, there are various methods to enhance the silt carrying capacity of rivers. One approach is to implement sustainable land management practices that reduce soil erosion. This can include planting vegetation along riverbanks, using cover crops in agricultural fields, and constructing terraces to slow down water runoff. These practices not only help maintain the natural balance of sediment transport but also improve water quality and habitat conditions for aquatic life.In conclusion, the silt carrying capacity of rivers is a vital concept that encompasses various environmental, engineering, and ecological considerations. By understanding and monitoring this capacity, we can better manage our waterways, protect aquatic ecosystems, and ensure the sustainability of our natural resources. As we face increasing pressures from climate change and human development, prioritizing the health of our rivers and their silt carrying capacity will be essential for future generations.

“泥沙承载能力”这一概念对于理解河流生态系统和沉积物运输的动态至关重要。它指的是河流或溪流在任何给定时间内能够运输的最大泥沙量，而不会对其流动或沉积模式造成显著变化。这一能力并不是静态的；它会受到水流、沉积物供应以及河床物理特征等因素的影响。理解“泥沙承载能力”对于管理水道尤其重要，特别是在环境保护和洪水风险管理的背景下。在许多地区，人类活动如农业、森林砍伐和城市化显著改变了自然景观。这些变化可能导致侵蚀和沉积物径流增加，进而影响河流的“泥沙承载能力”。当进入河流的泥沙量超过其承载能力时，可能会导致若干生态问题。例如，过度的泥沙沉积可能会掩埋水生栖息地，干扰鱼类的生命周期，并通过增加浑浊度降低水质。此外，理解“泥沙承载能力”对于基础设施规划至关重要。工程师和环境科学家在设计靠近水体的桥梁、大坝和其他结构时，必须考虑这一因素。如果河流的承载能力被超越，可能会导致沉积物堆积，从而威胁到这些结构的稳定性。为了评估河流的“泥沙承载能力”，科学家们通常进行野外研究，测量水流速、沉积物浓度和颗粒大小。这些数据有助于建模土地使用或气候变化如何影响河流的泥沙运输能力。例如，在强降雨事件中，河流可能会经历沉积物负荷激增，暂时超过其承载能力。理解这些动态对于预测和减轻洪水影响至关重要。此外，还有各种方法可以增强河流的“泥沙承载能力”。一种方法是实施可持续的土地管理实践，以减少土壤侵蚀。这可以包括在河岸种植植被、在农田使用覆盖作物以及修建梯田以减缓水流。这些做法不仅有助于维持沉积物运输的自然平衡，还有助于改善水质和水生生物栖息地条件。总之，河流的“泥沙承载能力”是一个重要的概念，涵盖了各种环境、工程和生态方面的考虑。通过理解和监测这一能力，我们可以更好地管理我们的水道，保护水生生态系统，并确保我们自然资源的可持续性。随着我们面临气候变化和人类发展带来的日益压力，优先考虑河流及其“泥沙承载能力”的健康将对未来几代人至关重要。