active stream sediment

简明释义

活性水系沉积物;

英英释义

例句

1.The active stream sediment in the area contains valuable minerals that can be extracted.

该地区的活跃的河流沉积物含有可提取的宝贵矿物。

2.The researchers collected samples of active stream sediment to analyze the impact of pollution on aquatic life.

研究人员收集了活跃的河流沉积物样本，以分析污染对水生生物的影响。

3.Geologists study active stream sediment to understand sediment transport and deposition processes.

地质学家研究活跃的河流沉积物以了解沉积物的运输和沉积过程。

4.During the flood, the active stream sediment was carried downstream, altering the river's ecosystem.

在洪水期间，活跃的河流沉积物被冲向下游，改变了河流的生态系统。

5.Monitoring active stream sediment helps in predicting changes in river morphology.

监测活跃的河流沉积物有助于预测河流形态的变化。

作文

The study of river systems and their dynamics is crucial for understanding the natural environment and the processes that shape our landscapes. One important aspect of these systems is the concept of active stream sediment, which refers to the sediments that are currently being transported by flowing water in a river or stream. This sediment can include a variety of materials, such as sand, silt, clay, and organic matter, all of which play significant roles in the ecosystem and geomorphology of riverine environments.Active stream sediment is essential for several reasons. Firstly, it influences the physical characteristics of the riverbed and banks, affecting flow patterns and habitat availability for aquatic life. For instance, areas with high concentrations of active stream sediment may create riffles and pools, which are critical habitats for fish and other organisms. The movement and deposition of these sediments can also lead to the formation of new landforms, such as deltas and floodplains, which are vital for biodiversity.Secondly, active stream sediment plays a key role in nutrient cycling within aquatic ecosystems. As sediments are transported downstream, they carry with them essential nutrients that support plant growth and sustain food webs. The interaction between sediment and water can also affect the chemical composition of the water, influencing factors such as pH and turbidity. Therefore, understanding the dynamics of active stream sediment is critical for managing water quality and maintaining healthy ecosystems.Moreover, the study of active stream sediment can provide valuable insights into environmental changes over time. By analyzing sediment cores and their composition, scientists can reconstruct past river conditions and assess the impacts of human activities, such as urbanization and agriculture, on sediment transport and deposition. This information is crucial for developing effective conservation strategies and mitigating the effects of climate change on river systems.In addition to its ecological significance, active stream sediment is also important in the context of engineering and land use planning. Understanding sediment transport processes is essential for designing effective flood control measures and maintaining infrastructure such as bridges and dams. Sediment management practices can help prevent issues such as sedimentation in reservoirs, which can reduce their storage capacity and alter water supply.In conclusion, active stream sediment is a fundamental component of river systems that influences both ecological and geological processes. Its study is vital for understanding the complexities of river dynamics, managing aquatic ecosystems, and addressing environmental challenges. By recognizing the importance of active stream sediment, we can better appreciate the intricate relationships between water, land, and life, ultimately leading to more sustainable practices in our interactions with the natural world.

对河流系统及其动态的研究对于理解自然环境和塑造我们景观的过程至关重要。一个重要的方面是“active stream sediment”的概念，它指的是当前被河流或溪流流动水运输的沉积物。这些沉积物可以包括多种材料，如沙子、淤泥、粘土和有机物，这些材料在河流环境的生态系统和地貌中发挥着重要作用。“active stream sediment”对几个方面至关重要。首先，它影响河床和河岸的物理特征，影响流动模式和水生生物的栖息地可用性。例如，沉积物浓度高的区域可能会形成急流和水潭，这些都是鱼类和其他生物的关键栖息地。这些沉积物的移动和沉积也可以导致新地形的形成，如三角洲和洪泛平原，这些对生物多样性至关重要。其次，“active stream sediment”在水生生态系统中的营养循环中扮演着关键角色。随着沉积物向下游运输，它们携带着支持植物生长和维持食物链所需的重要营养物质。沉积物与水的相互作用还会影响水的化学成分，影响pH值和浑浊度等因素。因此，理解“active stream sediment”的动态对于管理水质和维持健康生态系统至关重要。此外，对“active stream sediment”的研究可以提供有关环境变化的宝贵见解。通过分析沉积物核心及其组成，科学家可以重建过去的河流条件，并评估人类活动（如城市化和农业）对沉积物运输和沉积的影响。这些信息对制定有效的保护策略和减缓气候变化对河流系统的影响至关重要。除了生态重要性外，“active stream sediment”在工程和土地使用规划的背景下也很重要。理解沉积物运输过程对于设计有效的防洪措施和维护桥梁、坝体等基础设施至关重要。沉积物管理实践可以帮助防止水库中的沉积物问题，这可能会减少其储存能力并改变水供应。总之，“active stream sediment”是河流系统的基本组成部分，影响着生态和地质过程。它的研究对于理解河流动态的复杂性、管理水生生态系统和应对环境挑战至关重要。通过认识到“active stream sediment”的重要性，我们可以更好地欣赏水、土地和生命之间错综复杂的关系，最终促进我们与自然世界的可持续互动。