aggradational plain

简明释义

1. 加积平原; 2. 填积平原;

英英释义

An aggradational plain is a flat or gently sloping landform created by the accumulation of sediment over time, typically resulting from processes such as river deposition or glacial melt.

积累平原是由沉积物随着时间的推移而形成的平坦或缓坡地形,通常是由于河流沉积或冰川融化等过程造成的。

例句

1.Farmers often prefer to cultivate crops on an aggradational plain 增积平原 due to its fertile soil.

农民通常更喜欢在aggradational plain 增积平原上种植作物,因为这里的土壤肥沃。

2.During heavy rainfall, the aggradational plain 增积平原 can become flooded, affecting local agriculture.

在大雨期间,aggradational plain 增积平原可能会被淹没,影响当地农业。

3.The river deposited sediments over time, creating a vast aggradational plain 增积平原 that supports diverse ecosystems.

这条河流随着时间的推移沉积了沉积物,形成了一个广阔的aggradational plain 增积平原,支持着多样的生态系统。

4.The aggradational plain 增积平原 near the delta is characterized by a flat landscape and rich biodiversity.

三角洲附近的aggradational plain 增积平原以平坦的地形和丰富的生物多样性为特征。

5.Geologists study the formation of an aggradational plain 增积平原 to understand past river behaviors.

地质学家研究aggradational plain 增积平原的形成,以了解过去河流的行为。

作文

The concept of an aggradational plain refers to a landform that is characterized by the accumulation of sediment over time, resulting in a relatively flat or gently sloping surface. These plains are typically formed through the processes of erosion and deposition, often associated with river systems. The sediments can be derived from various sources, including weathered rock materials and organic matter, which are transported by water and deposited in areas where the energy of the transporting medium decreases. Understanding aggradational plains is crucial for geologists and environmental scientists as they provide insights into past geological events and current ecological conditions.In many cases, aggradational plains develop in floodplains adjacent to rivers. During periods of flooding, rivers overflow their banks and spread out across the surrounding landscape, depositing layers of sediment. Over time, these deposits build up, creating a flat or gently undulating terrain. The fertility of these plains makes them ideal for agriculture, as the nutrient-rich sediments support a diverse range of plant life. Consequently, human civilizations have often settled in these areas, taking advantage of the fertile soil for farming.Moreover, aggradational plains play a significant role in the hydrological cycle. They can act as natural buffers, absorbing excess rainfall and reducing the risk of flooding downstream. The vegetation that grows on these plains also contributes to soil stability, preventing erosion and promoting biodiversity. As such, understanding the dynamics of aggradational plains is essential for effective land management and conservation efforts.However, human activities, such as urbanization and agriculture, can disrupt the natural processes that create and maintain aggradational plains. Deforestation, for instance, can lead to increased runoff and erosion, diminishing the plains' capacity to retain water and nutrients. Additionally, the construction of dams and levees can alter sediment transport patterns, affecting the formation of these critical landforms.In conclusion, aggradational plains are vital features of our landscape, shaped by natural processes and significantly impacted by human activities. Their importance extends beyond geology, influencing agriculture, ecology, and hydrology. As we continue to study and understand these plains, it becomes increasingly clear that preserving them is essential for maintaining ecological balance and supporting human livelihoods. By recognizing the value of aggradational plains, we can work towards sustainable practices that protect these important ecosystems for future generations.

“平衡平原(aggradational plain)”的概念是指一种地貌特征,其特点是随着时间的推移沉积物的积累,导致相对平坦或缓坡的表面。这些平原通常通过侵蚀和沉积的过程形成,通常与河流系统相关。沉积物可以来自多种来源,包括风化的岩石材料和有机物质,这些材料通过水运输并在输送介质能量降低的地方沉积。理解“平衡平原”对地质学家和环境科学家至关重要,因为它们提供了对过去地质事件和当前生态条件的洞察。在许多情况下,“平衡平原”在河流相邻的洪泛区发展。在洪水期间,河流溢出其河岸,扩散到周围的景观中,沉积出一层层沉积物。随着时间的推移,这些沉积物堆积起来,形成一个平坦或轻微起伏的地形。这些平原的肥沃使其成为农业的理想之地,因为富含养分的沉积物支持着多样的植物生命。因此,人类文明往往在这些地区定居,利用肥沃的土壤进行耕作。此外,“平衡平原”在水文循环中也发挥着重要作用。它们可以作为自然缓冲区,吸收过量的降雨,减少下游洪水的风险。生长在这些平原上的植被也有助于土壤稳定,防止侵蚀并促进生物多样性。因此,理解“平衡平原”的动态对于有效的土地管理和保护工作至关重要。然而,人类活动,如城市化和农业,可能会干扰形成和维持“平衡平原”的自然过程。例如,森林砍伐可能导致径流和侵蚀增加,从而降低平原保持水分和养分的能力。此外,大坝和堤坝的建设可能改变沉积物运输模式,影响这些关键地貌的形成。总之,“平衡平原”是我们景观中重要的特征,由自然过程塑造,并受到人类活动的重大影响。它们的重要性超越了地质学,影响农业、生态和水文学。随着我们继续研究和理解这些平原,越来越明显的是,保护它们对于维持生态平衡和支持人类生计至关重要。通过认识到“平衡平原”的价值,我们可以朝着可持续的实践努力,保护这些重要的生态系统,以惠及未来世代。