aggradation island

简明释义

1. 加积岛; 2. 淤积岛;

英英释义

例句

1.The presence of an aggradation island can alter the flow dynamics of a river.

一个淤积岛的存在可以改变河流的流动动态。

2.Fishermen often find good catches near the aggradation island where fish congregate.

渔民们常常在淤积岛附近找到丰富的鱼类，因为鱼群聚集在此。

3.Researchers studied the formation of the aggradation island to understand sediment transport.

研究人员研究了淤积岛的形成，以了解沉积物的运输。

4.The river flows over the aggradation island, creating a unique habitat for various species.

这条河流经过淤积岛，为各种物种创造了独特的栖息地。

5.During the rainy season, the aggradation island expanded significantly due to increased sediment deposition.

在雨季，由于沉积物沉积增加，淤积岛显著扩张。

作文

In the study of geomorphology, one often encounters various landforms shaped by the processes of erosion and deposition. Among these, the concept of an aggradation island is particularly intriguing. An aggradation island refers to a landform that develops in river systems where sediment accumulation occurs faster than the rate of erosion. This phenomenon typically arises in areas where the flow of water slows down, allowing sediments carried by the river to settle and build up over time. Understanding aggradation islands is crucial for comprehending river dynamics and the ecological implications that accompany such formations.The formation of an aggradation island can be attributed to various factors, including changes in water flow, sediment supply, and vegetation growth. For instance, when a river experiences a decrease in velocity due to a change in gradient or an obstruction, the sediments it carries may begin to deposit, leading to the creation of an aggradation island. These islands can vary in size and shape, influenced by the volume of sediment and the characteristics of the riverbed.Ecologically, aggradation islands play a significant role in supporting biodiversity. They often provide unique habitats for various plant and animal species, serving as resting points for migratory birds and breeding grounds for fish. The vegetation that grows on these islands can stabilize the soil, further promoting sediment accumulation and enhancing the overall health of the river ecosystem.However, the presence of aggradation islands can also pose challenges for human activities. In some cases, these landforms can obstruct navigation routes, impacting transportation and trade. Additionally, they may alter the natural flow of rivers, which can lead to flooding in nearby areas. Thus, while aggradation islands contribute to the natural landscape and ecological diversity, they require careful management to balance environmental conservation with human interests.In conclusion, the concept of an aggradation island is a fascinating aspect of geomorphology that highlights the dynamic interplay between sedimentation and river systems. These islands not only contribute to the physical landscape but also support diverse ecosystems. As we continue to study and understand the implications of aggradation islands, it becomes increasingly important to consider both their ecological significance and the challenges they present to human activities. By fostering a deeper understanding of these landforms, we can better appreciate the complexities of our natural environment and work towards sustainable solutions that benefit both nature and society.

在地貌学的研究中，人们常常会遇到由侵蚀和沉积过程形成的各种地貌。其中，堆积岛的概念尤其引人入胜。堆积岛指的是在河流系统中，沉积物的积累速度快于侵蚀速度而形成的地貌。这种现象通常发生在水流减缓的区域，使得河流携带的沉积物能够沉淀并随时间逐渐堆积。理解堆积岛对于理解河流动态及其伴随的生态影响至关重要。堆积岛的形成可以归因于多种因素，包括水流变化、沉积物供应和植被生长。例如，当河流由于坡度变化或障碍物而经历速度下降时，它所携带的沉积物可能开始沉积，从而导致堆积岛的形成。这些岛屿的大小和形状各异，受沉积物体积和河床特征的影响。在生态上，堆积岛在支持生物多样性方面发挥着重要作用。它们通常为各种植物和动物物种提供独特的栖息地，作为候鸟的栖息点和鱼类的繁殖场。这些岛屿上生长的植被可以稳定土壤，进一步促进沉积物的积累，增强河流生态系统的整体健康。然而，堆积岛的存在也可能对人类活动造成挑战。在某些情况下，这些地貌可能会阻碍航行路线，影响交通和贸易。此外，它们可能改变河流的自然流动，导致附近地区的洪水。因此，虽然堆积岛对自然景观和生态多样性做出了贡献，但它们需要谨慎管理，以平衡环境保护和人类利益。总之，堆积岛的概念是地貌学中的一个迷人方面，突显了沉积与河流系统之间的动态相互作用。这些岛屿不仅丰富了物理景观，还支持多样的生态系统。随着我们继续研究和理解堆积岛的影响，考虑它们的生态重要性和对人类活动提出的挑战变得愈加重要。通过加深对这些地貌的理解，我们可以更好地欣赏自然环境的复杂性，并努力寻找既有利于自然又有利于社会的可持续解决方案。