sediment discharge

简明释义

沉淀物排放

英英释义

例句

1.Scientists measured the sediment discharge to assess the river's health.

科学家测量了沉积物排放以评估河流的健康状况。

2.The construction project impacted the sediment discharge into the nearby stream.

该建筑项目影响了附近小溪的沉积物排放。

3.Monitoring sediment discharge is crucial for maintaining water quality in lakes.

监测沉积物排放对维持湖泊水质至关重要。

4.High sediment discharge can lead to siltation in reservoirs.

高水平的沉积物排放可能导致水库淤积。

5.The river's sediment discharge has increased significantly after the heavy rains.

经过强降雨后，这条河流的沉积物排放显著增加。

作文

Sediment discharge is a term commonly used in environmental science and hydrology to describe the process through which sediment, such as sand, silt, and clay, is transported by water flow from one location to another. This phenomenon occurs in rivers, lakes, and coastal areas where water movement can erode soil and rock, leading to the accumulation of sediments downstream. Understanding sediment discharge (沉积物排放) is crucial for various reasons, including ecosystem health, water quality, and infrastructure management.One of the primary factors influencing sediment discharge (沉积物排放) is rainfall. When it rains, water flows over the land surface, picking up loose particles and carrying them into nearby water bodies. The intensity and duration of the rainfall can significantly affect the volume of sediment that is discharged. For instance, heavy rainfall events can lead to increased runoff, resulting in higher sediment discharge (沉积物排放) rates, which can have detrimental effects on aquatic habitats.Moreover, human activities such as agriculture, urbanization, and deforestation can exacerbate sediment discharge (沉积物排放). Agricultural practices often involve the tilling of soil, which makes it more susceptible to erosion. Similarly, urban development can lead to increased impervious surfaces, such as roads and buildings, that prevent water from infiltrating the ground. This can result in greater runoff and, consequently, higher levels of sediment discharge (沉积物排放) into rivers and streams.The implications of high sediment discharge (沉积物排放) are significant. Excessive sediment can cloud water, reducing light penetration and affecting photosynthesis in aquatic plants. This can lead to a decline in fish populations and other aquatic life that depend on clear water for survival. Additionally, high sediment loads can smother habitats, disrupt spawning grounds, and alter the natural flow of rivers, leading to further ecological imbalances.Furthermore, sediment discharge (沉积物排放) can impact water quality. Sediments can carry pollutants, nutrients, and pathogens that can degrade the health of water bodies. For example, when fertilizers from agricultural fields are washed away with sediment, they can contribute to nutrient pollution, causing harmful algal blooms that deplete oxygen in the water and create dead zones where aquatic life cannot survive.To manage and mitigate the effects of sediment discharge (沉积物排放), various strategies can be employed. Implementing best management practices in agriculture, such as cover cropping and reduced tillage, can help reduce soil erosion and subsequent sediment loss. Additionally, constructing retention basins or wetlands can help trap sediments before they enter larger water bodies. Urban planners can also incorporate green infrastructure, such as permeable pavements and rain gardens, to promote water infiltration and reduce runoff.In conclusion, understanding sediment discharge (沉积物排放) is essential for maintaining healthy ecosystems and ensuring clean water resources. By recognizing the factors that influence sediment transport and implementing effective management strategies, we can minimize the negative impacts of sediment discharge on our environment. Protecting our waterways not only benefits aquatic life but also enhances the quality of life for communities that rely on these vital resources.

沉积物排放是环境科学和水文学中常用的术语，描述了沉积物（如沙子、淤泥和粘土）通过水流从一个地方运输到另一个地方的过程。这种现象发生在河流、湖泊和沿海地区，水流能够侵蚀土壤和岩石，导致沉积物在下游的积累。理解沉积物排放(sediment discharge)至关重要，原因包括生态系统健康、水质和基础设施管理。影响沉积物排放(sediment discharge)的主要因素之一是降雨。当下雨时，水流过地表，携带松散颗粒并将其带入附近的水体。降雨的强度和持续时间会显著影响排放的沉积物量。例如，强降雨事件会导致径流增加，从而导致更高的沉积物排放(sediment discharge)率，这可能对水生栖息地产生不利影响。此外，人类活动，如农业、城市化和森林砍伐，会加剧沉积物排放(sediment discharge)。农业实践通常涉及耕作土壤，这使其更容易受到侵蚀。同样，城市开发可能导致不透水表面的增加，例如道路和建筑物，阻止水分渗入地下。这可能导致径流增加，因此，河流和溪流中的沉积物排放(sediment discharge)水平提高。高沉积物排放(sediment discharge)的影响是显著的。过量的沉积物会使水变得浑浊，减少光透过率，影响水生植物的光合作用。这可能导致鱼类和其他依赖清水生存的水生生物数量下降。此外，高沉积负荷可能会掩埋栖息地，破坏产卵场，并改变河流的自然流动，从而导致进一步的生态失衡。此外，沉积物排放(sediment discharge)还会影响水质。沉积物可以携带污染物、营养物质和病原体，这会降低水体的健康。例如，当农业田地中的肥料随沉积物被冲走时，它们可能导致营养污染，引发有害藻华，消耗水中的氧气，形成水生生物无法生存的死区。为了管理和减轻沉积物排放(sediment discharge)的影响，可以采用多种策略。在农业中实施最佳管理实践，例如覆盖作物和减少耕作，可以帮助减少土壤侵蚀和随后的沉积物损失。此外，建设滞留池或湿地可以帮助在沉积物进入较大水体之前捕获沉积物。城市规划者还可以纳入绿色基础设施，例如透水铺装和雨水花园，以促进水分渗透并减少径流。总之，理解沉积物排放(sediment discharge)对维持健康生态系统和确保清洁水资源至关重要。通过认识影响沉积物运输的因素并实施有效的管理策略，我们可以最小化沉积物排放对环境的负面影响。保护我们的水道不仅有利于水生生物，还提升了依赖这些重要资源的社区的生活质量。