aggradation baselevel

简明释义

填积基准面;

英英释义

例句

1.Changes in climate can affect the aggradation baselevel, altering the landscape significantly.

气候变化可以影响堆积基准面，显著改变地形。

2.The river has reached its aggradation baselevel, causing sediment to accumulate on its banks.

这条河流已经达到了它的堆积基准面，导致沉积物在河岸上积累。

3.Understanding the aggradation baselevel is crucial for predicting future landforms in the area.

理解堆积基准面对于预测该地区未来的地貌至关重要。

4.Geologists measure the aggradation baselevel to assess erosion and deposition rates in river systems.

地质学家测量堆积基准面以评估河流系统中的侵蚀和沉积速率。

5.When a dam is built, it can raise the aggradation baselevel upstream, leading to increased sedimentation.

当建造大坝时，它可以提高上游的堆积基准面，导致沉积物增加。

作文

In the study of geomorphology and sedimentology, the concept of aggradation baselevel plays a crucial role in understanding river dynamics and landscape evolution. The term aggradation baselevel refers to the elevation at which sediment deposition occurs, leading to an increase in land surface height due to the accumulation of materials transported by water flow. This process is significant because it affects not only the morphology of river systems but also the ecological and hydrological characteristics of the surrounding areas.To grasp the significance of aggradation baselevel, one must first understand the processes of erosion and sediment transport. Rivers are dynamic systems that continuously reshape the landscape through these processes. When a river flows over a gradient, it has the potential to erode the bedrock and transport sediments downstream. However, when the energy of the river decreases, such as when it enters a flat area or meets a body of water, sediment begins to settle. This settling occurs at the aggradation baselevel, leading to the formation of new landforms, such as deltas and alluvial plains.The implications of aggradation baselevel extend beyond mere geological formations. For instance, when sediment accumulates at this level, it can create fertile soil, which is essential for agriculture. Many of the world's most productive agricultural regions are located near rivers where aggradation baselevel processes occur. This relationship highlights how geomorphological processes impact human activity and the economy.Moreover, understanding aggradation baselevel is vital for managing river systems and mitigating the effects of flooding. When sediment builds up at the baselevel, it can raise the riverbed, increasing the likelihood of flooding during heavy rainfall or snowmelt. Consequently, engineers and environmental planners must consider aggradation baselevel in their designs for flood control and river management strategies.In addition to its practical applications, the concept of aggradation baselevel also serves as a reminder of the interconnectedness of natural systems. Changes in one part of the landscape can have cascading effects on other areas. For example, if human activities, such as dam construction or mining, alter the flow of a river, this can affect the aggradation baselevel, leading to unintended consequences downstream.In conclusion, the concept of aggradation baselevel is fundamental in the fields of geomorphology and sedimentology. It encompasses the processes of sediment deposition and landscape evolution, with far-reaching implications for agriculture, flood management, and environmental sustainability. By understanding the dynamics of aggradation baselevel, we can better appreciate the intricate relationships between natural processes and human activities, ultimately leading to more informed decisions regarding land use and resource management.

在地貌学和沉积学研究中，aggradation baselevel（沉积基准面）的概念在理解河流动态和景观演变方面起着至关重要的作用。术语aggradation baselevel指的是沉积发生的高度，导致由于水流运输材料的积累而增加的地表高度。这个过程是重要的，因为它不仅影响河流系统的形态，还影响周围地区的生态和水文特征。要理解aggradation baselevel的重要性，首先必须了解侵蚀和沉积物运输的过程。河流是动态系统，通过这些过程不断重塑地貌。当河流流经一个坡度时，它有可能侵蚀基岩并将沉积物运输到下游。然而，当河流的能量降低时，例如当它进入一个平坦区域或遇到水体时，沉积物开始沉降。这种沉降发生在aggradation baselevel，导致形成新的地貌，如三角洲和冲积平原。aggradation baselevel的影响超出了单纯的地质形成。例如，当沉积物在这个水平上积累时，它可以创造出肥沃的土壤，这对农业至关重要。世界上许多最具生产力的农业地区都位于河流附近，这些地区发生了aggradation baselevel过程。这种关系突显了地貌过程如何影响人类活动和经济。此外，理解aggradation baselevel对管理河流系统和减轻洪水影响至关重要。当沉积物在基准面上堆积时，它可以抬高河床，从而增加在大雨或融雪期间洪水发生的可能性。因此，工程师和环境规划者在设计洪水控制和河流管理策略时必须考虑aggradation baselevel。除了其实际应用外，aggradation baselevel的概念还提醒我们自然系统的相互联系。景观某一部分的变化可能会对其他区域产生连锁反应。例如，如果人类活动，如建造大坝或采矿，改变了河流的流动，这可能会影响aggradation baselevel，导致下游出现意想不到的后果。总之，aggradation baselevel的概念在地貌学和沉积学领域中是基础性的。它涵盖了沉积物沉积和景观演变的过程，对农业、洪水管理和环境可持续性具有深远的影响。通过理解aggradation baselevel的动态，我们可以更好地欣赏自然过程与人类活动之间错综复杂的关系，从而最终做出更明智的土地利用和资源管理决策。