alluvion

简明释义

英[əˈluːvɪən]美[əˈlʊvɪən]

n. 沙洲；洪水；击岸波；冲击成的新地

英英释义

单词用法

同义词

反义词

例句

1.In this paper the model testing during construction of the dam foundation built on right deep alluvion of the river valleys for a Hydroelectric power station are described.

本文论述了一座水电站河谷右深槽覆盖层坝基施工期地基模型试验。

2.In this paper the model testing during construction of the dam foundation built on right deep alluvion of the river valleys for a Hydroelectric power station are described.

本文论述了一座水电站河谷右深槽覆盖层坝基施工期地基模型试验。

3.The construction of the dam altered the natural flow, affecting the alluvion in the surrounding areas.

大坝的建设改变了自然水流，影响了周围地区的冲积物。

4.After the flood, the landscape was transformed by the new layers of alluvion left behind.

洪水过后，景观被留下的新层冲积物所改变。

5.The river's constant flow has led to the deposition of significant amounts of alluvion.

河流的持续流动导致了大量的冲积物沉积。

6.Farmers often seek land near rivers due to the rich alluvion that enhances soil fertility.

农民常常寻求靠近河流的土地，因为丰富的冲积物提高了土壤肥力。

7.Geologists study alluvion to understand past river behaviors and sedimentation processes.

地质学家研究冲积物以了解过去的河流行为和沉积过程。

作文

The beauty of nature often reveals itself in the most unexpected places. One such phenomenon is the process of alluvial deposition, which plays a crucial role in shaping our landscapes. The term alluvion refers to the sediment or soil that is deposited by rivers and streams, typically during floods. This natural process not only alters the physical geography of an area but also enriches the soil, making it more fertile for agriculture and sustaining various ecosystems. Understanding alluvion is essential for appreciating the delicate balance of our environment and the continuous changes that occur within it.When we think about rivers, we often envision their flowing waters, but we may overlook the significant impact they have on the surrounding land. Over time, as rivers meander and change course, they carry with them particles of soil and rock. These materials are known as alluvion and are usually deposited in floodplains, deltas, and riverbanks. This process can lead to the creation of new landforms, such as levees and islands, which can be both beautiful and beneficial.The agricultural implications of alluvion are particularly noteworthy. Many of the world’s most fertile regions, such as the Nile Delta in Egypt or the Mississippi River Basin in the United States, owe their productivity to the rich deposits of alluvial soil. Farmers often rely on these nutrient-rich sediments to cultivate crops, as they provide essential minerals and organic matter that enhance plant growth. Without the process of alluvion, many of these areas would struggle to support agriculture, leading to food shortages and economic challenges.Moreover, alluvion plays a vital role in maintaining biodiversity. Wetlands and riparian zones, which are often formed by the accumulation of alluvial deposits, serve as critical habitats for numerous species of plants and animals. These ecosystems are essential for water purification, flood control, and carbon sequestration, highlighting the importance of preserving areas where alluvion occurs. As human activities continue to threaten these natural environments, understanding the significance of alluvial processes becomes increasingly urgent.However, it is important to recognize that while alluvion can have many positive effects, it can also pose challenges. Flooding caused by heavy rains or melting snow can lead to excessive deposition of alluvial materials, which may disrupt existing ecosystems and agricultural practices. In some cases, this can result in the loss of property and infrastructure, as well as increased sedimentation in waterways, affecting fish populations and overall water quality.In conclusion, the concept of alluvion encompasses much more than just the physical deposition of sediment; it represents a dynamic interplay between water, land, and life. By studying and understanding this natural process, we can better appreciate the intricate connections within our ecosystems and the ways in which they sustain us. As stewards of the environment, it is our responsibility to protect and preserve the areas influenced by alluvion, ensuring that future generations can continue to benefit from the rich resources and biodiversity they provide.

自然的美丽常常在最意想不到的地方显现出来。一个这样的现象是冲积沉积过程，它在塑造我们的景观中发挥着至关重要的作用。术语alluvion指的是由河流和溪流沉积的沉积物或土壤，通常发生在洪水期间。这一自然过程不仅改变了一个地区的物理地理，还丰富了土壤，使其更适合农业，并维持各种生态系统。理解alluvion对于欣赏我们环境的微妙平衡及其不断发生的变化至关重要。当我们想到河流时，常常会想象它们流动的水，但我们可能忽视了它们对周围土地的重大影响。随着时间的推移，河流蜿蜒曲折并改变流向，它们携带着土壤和岩石颗粒。这些材料被称为alluvion，通常沉积在泛滥平原、三角洲和河岸。这一过程可以导致新地貌的形成，例如堤坝和岛屿，这些既美丽又有益。alluvion的农业意义尤其值得注意。世界上许多最肥沃的地区，如埃及的尼罗河三角洲或美国的密西西比河流域，其生产力都归功于丰富的冲积土壤沉积。农民往往依赖这些富含营养的沉积物来种植作物，因为它们提供植物生长所需的必需矿物质和有机物。如果没有alluvion的过程，许多地区将难以支持农业，导致粮食短缺和经济挑战。此外，alluvion在维护生物多样性方面也发挥着至关重要的作用。湿地和沿河区域，通常是由于冲积沉积物的积累而形成的，为众多植物和动物物种提供了关键栖息地。这些生态系统对水质净化、洪水控制和碳封存至关重要，突显了保护发生alluvion的区域的重要性。随着人类活动继续威胁这些自然环境，理解冲积过程的重要性变得愈发紧迫。然而，重要的是要认识到，虽然alluvion可能带来许多积极影响，但它也可能带来挑战。由于强降雨或融雪引起的洪水可能导致过量沉积冲积物，这可能会破坏现有生态系统和农业实践。在某些情况下，这可能导致财产和基础设施的损失，以及水道中的沉积物增加，影响鱼类种群和整体水质。总之，alluvion的概念不仅仅包括沉积物的物理沉积；它代表了水、土地和生命之间的动态相互作用。通过研究和理解这一自然过程，我们可以更好地欣赏生态系统内部的复杂联系，以及它们维持我们的方式。作为环境的管理者，我们有责任保护和保存受到alluvion影响的地区，确保未来几代人能够继续从中受益于它们提供的丰富资源和生物多样性。