alluvium

简明释义

英[əˈluːviəm]美[əˈluːviəm]

n. [地质] 冲积层，冲积土

复 数 a l l u v i u m s 或 a l l u v i a

英英释义

单词用法

同义词

反义词

例句

1.The security of freezing wall is the key problem of freezing shaft sinking in deep alluvium.

冻结壁的安全性是深厚冲积层中冻结凿井的关键问题。

2.These data may chisel the well project for the deep alluvium freezing process the design to provide the reference.

这些数据可为深厚冲积层冻结法凿井工程的设计提供参考依据。

3.Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.

洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。

4.Of or relating to alluvium.

属于或关于冲积层的。

5.Study on the thickness of frozen wall in deep alluvium;

冻结壁的安全性是深厚冲积层中冻结凿井的关键问题。

6.This saphire deposit is occurred in the Holocene alluvium.

矿床赋存于全新统冲积层。

7.Geologists study the layers of alluvium to understand the historical changes in the landscape.

地质学家研究冲积层的层次，以了解地貌的历史变化。

8.The construction site was located on an old riverbed filled with alluvium, making it unstable.

施工现场位于一个充满冲积层的旧河床上，这使得地基不稳定。

9.Farmers often prefer to cultivate crops on alluvium because it retains moisture well.

农民通常更喜欢在冲积层上种植作物，因为它能很好地保持水分。

10.The fertile land along the riverbanks is primarily composed of alluvium, which is known for its rich nutrients.

河岸沿线的肥沃土地主要由冲积层组成，以其丰富的养分而闻名。

11.During the flood, the river deposited a significant amount of alluvium on the surrounding fields.

在洪水期间，河流在周围的田地上沉积了大量的冲积层。

作文

The study of geology involves understanding the various materials that make up the Earth’s surface, and one of the most significant types of sediment is known as alluvium. This term refers to the loose, unconsolidated soil or sediments that are deposited by flowing water, typically in riverbeds, floodplains, and deltas. The composition of alluvium can vary widely, often consisting of clay, silt, sand, and gravel, depending on the source of the sediment and the energy of the transporting water.Understanding alluvium is crucial for several reasons. Firstly, it plays a vital role in agriculture. Many of the world’s most fertile lands are located in areas where alluvium has been deposited. For example, the Nile River Delta in Egypt is renowned for its rich soils, which have supported agriculture for thousands of years. Farmers rely on the nutrient-rich properties of alluvium to grow crops, making it an essential resource for food production.Secondly, alluvium has significant implications for land use and urban planning. In many regions, cities are built near rivers due to the availability of water resources. However, this proximity also poses risks, particularly during flooding events. The movement of alluvium during such events can reshape landscapes, destroy infrastructure, and lead to loss of life. Therefore, understanding the behavior of alluvium during floods is crucial for effective disaster management and urban planning.Additionally, alluvium is important in the field of geology and environmental science. It provides valuable information about past geological events and can be used to reconstruct ancient environments. By studying the layers of alluvium, scientists can gain insights into climate change, sediment transport processes, and even human impact on the landscape over time.Moreover, alluvium can also serve as a natural resource. In some regions, it contains valuable minerals and resources that can be extracted for commercial use. Sand and gravel, for instance, are often mined from alluvium deposits for construction purposes. This extraction must be managed carefully to minimize environmental impacts, as over-extraction can lead to habitat destruction and increased erosion.In conclusion, alluvium is more than just a geological term; it is a critical component of our environment that influences agriculture, urban development, and scientific research. Understanding its properties and implications helps us make informed decisions about land use, resource management, and disaster preparedness. As we continue to study and interact with our planet, recognizing the significance of alluvium will be essential for ensuring sustainable practices and protecting our natural resources for future generations.

地质学的研究涉及理解构成地球表面的各种材料，其中一种最重要的沉积物类型被称为冲积层。这个术语指的是由流动水沉积的松散、未固结的土壤或沉积物，通常存在于河床、泛滥平原和三角洲中。冲积层的成分可以有很大差异，通常由粘土、淤泥、沙子和砾石组成，具体取决于沉积物的来源和运输水的能量。理解冲积层至关重要，原因有几个。首先，它在农业中扮演着重要角色。世界上许多最肥沃的土地位于冲积层沉积的地区。例如，埃及的尼罗河三角洲以其丰富的土壤而闻名，这里支持了数千年的农业。农民依赖冲积层的富含养分的特性来种植作物，使其成为食品生产的重要资源。其次，冲积层对土地利用和城市规划有重大影响。在许多地区，城市建在河流附近，因为那里有水资源。然而，这种邻近关系也带来了风险，特别是在洪水事件期间。冲积层在此类事件中的移动可能会重塑地貌，摧毁基础设施，并导致生命损失。因此，了解洪水期间冲积层的行为对于有效的灾害管理和城市规划至关重要。此外，冲积层在地质学和环境科学领域也很重要。它提供了有关过去地质事件的宝贵信息，并可以用来重建古代环境。通过研究冲积层的层次，科学家可以深入了解气候变化、沉积物运输过程，甚至是人类对景观的影响。此外，冲积层还可以作为自然资源。在某些地区，它包含可以提取用于商业用途的有价值矿物和资源。例如，沙子和砾石通常从冲积层沉积物中开采，用于建筑目的。这种开采必须谨慎管理，以尽量减少对环境的影响，因为过度开采可能导致栖息地破坏和侵蚀加剧。总之，冲积层不仅仅是一个地质术语；它是我们环境的一个重要组成部分，影响着农业、城市发展和科学研究。理解其特性和影响有助于我们在土地利用、资源管理和灾害准备方面做出明智的决策。随着我们继续研究和与我们的星球互动，认识到冲积层的重要性将对确保可持续实践和保护我们的自然资源以供后代使用至关重要。