aggrading river

简明释义

加积河;

英英释义

例句

1.The construction of the dam has transformed the once fast-flowing stream into an aggrading river 沉积河流 that deposits sediment upstream.

大坝的建设使得原本湍急的小溪变成了一条aggrading river 沉积河流，在上游沉积泥沙。

2.The environmental impact of an aggrading river 沉积河流 includes changes to local ecosystems and habitats.

一条aggrading river 沉积河流的环境影响包括对当地生态系统和栖息地的改变。

3.Farmers near an aggrading river 沉积河流 often benefit from nutrient-rich sediments deposited on their fields.

靠近一条aggrading river 沉积河流的农民通常会受益于沉积在他们田地上的富含养分的泥沙。

4.Geologists study the patterns of an aggrading river 沉积河流 to understand historical sediment deposition.

地质学家研究aggrading river 沉积河流的模式，以了解历史沉积情况。

5.An aggrading river 沉积河流 can lead to increased flooding in nearby areas due to higher water levels.

一条aggrading river 沉积河流可能导致附近地区洪水增加，因为水位升高。

作文

Rivers are dynamic systems that continuously change their shape and form due to various natural processes. One of the fascinating aspects of river dynamics is the concept of an aggrading river, which refers to a river that is in the process of building up its bed through the deposition of sediment. This phenomenon occurs when the amount of sediment being supplied to the river exceeds the amount being removed, leading to a gradual rise in the riverbed. Understanding the behavior of an aggrading river is crucial for environmental scientists, engineers, and urban planners as it has significant implications for flood management, ecosystem health, and land use planning.The process of aggradation typically occurs in areas where rivers flow through regions with abundant sediment supply, such as during periods of heavy rainfall or after glacial melt. As the river carries this sediment downstream, it can deposit it in areas where the water slows down, such as in floodplains or at the mouths of rivers. The accumulation of sediment raises the riverbed, which can alter the flow dynamics of the river itself. For instance, an aggrading river may become wider and shallower over time, which can lead to increased flooding risks in adjacent areas.In addition to flood risks, aggrading rivers also play a vital role in shaping the surrounding landscape. They create new habitats for various species, contributing to biodiversity. Wetlands and floodplain ecosystems often thrive in these environments, providing critical resources for wildlife. However, the alteration of river systems can also disrupt existing habitats and lead to challenges for conservation efforts.Moreover, the phenomenon of an aggrading river can significantly impact human activities. For example, agricultural practices may be affected by changes in river behavior. Farmers who rely on river irrigation must adapt to the shifting channels and sediment deposition patterns. Similarly, urban development near aggrading rivers requires careful planning to mitigate flood risks and ensure the stability of infrastructure.To manage the effects of aggrading rivers, it is essential to monitor sediment transport and deposition patterns. Engineers and scientists often use models to predict how rivers will behave under different conditions, allowing for proactive measures to be put in place. In some cases, river engineering techniques such as dredging or the construction of levees may be employed to control sediment accumulation and maintain navigable waterways.In conclusion, the concept of an aggrading river highlights the intricate relationship between rivers, sediment, and the environment. As our understanding of these processes deepens, we can better appreciate the importance of maintaining healthy river systems. By recognizing the implications of aggrading rivers for both natural ecosystems and human communities, we can work towards sustainable management practices that protect these vital resources for future generations.

河流是动态系统，由于各种自然过程，形状和形式不断变化。河流动态的一个迷人方面是“堆积河”的概念，指的是通过沉积物的沉积而在构建其床面过程中的河流。当提供给河流的沉积物量超过被移除的量时，就会发生这种现象，从而导致河床逐渐上升。理解“堆积河”的行为对于环境科学家、工程师和城市规划者至关重要，因为这对洪水管理、生态系统健康和土地使用规划有重大影响。堆积过程通常发生在河流流经沉积物丰富区域时，例如在强降雨或冰川融化期间。当河流将这些沉积物带到下游时，它可以在水流减缓的地方沉积，如在泛滥平原或河口。沉积物的积累抬高了河床，这可能改变河流本身的流动动态。例如，一个“堆积河”可能随着时间的推移变得更宽、更浅，这可能导致相邻地区的洪水风险增加。除了洪水风险外，“堆积河”还在塑造周围景观方面发挥着重要作用。它们为各种物种创造新的栖息地，促进生物多样性。湿地和泛滥平原生态系统通常在这些环境中繁荣，为野生动物提供关键资源。然而，河流系统的变化也可能破坏现有栖息地，并给保护工作带来挑战。此外，“堆积河”的现象可能对人类活动产生重大影响。例如，农业实践可能受到河流行为变化的影响。依赖河流灌溉的农民必须适应不断变化的水道和沉积模式。同样，靠近“堆积河”的城市发展需要仔细规划，以减轻洪水风险并确保基础设施的稳定性。为了管理“堆积河”的影响，监测沉积物运输和沉积模式至关重要。工程师和科学家通常使用模型来预测河流在不同条件下的行为，从而允许采取主动措施。在某些情况下，可能会采用河流工程技术，例如挖掘或修建堤坝，以控制沉积物的积累并维持可航行的水道。总之，“堆积河”的概念突显了河流、沉积物和环境之间错综复杂的关系。随着我们对这些过程理解的加深，我们可以更好地欣赏维护健康河流系统的重要性。通过认识到“堆积河”对自然生态系统和人类社区的影响，我们可以朝着可持续管理实践努力，保护这些重要资源，以造福未来几代人。