alluvial bench

简明释义

1. 山麓干三角洲组合; 2. 山麓冲积平原; 3. 砾质山麓平原; 4. 山麓联合干三角洲;

英英释义

例句

1.During heavy rains, the water levels can rise significantly on the alluvial bench.

在大雨期间，冲积台地上的水位可能会显著上升。

2.The archaeologists discovered ancient artifacts on the alluvial bench.

考古学家在冲积台地上发现了古代文物。

3.Farmers often cultivate crops on the fertile alluvial bench near the river.

农民们常常在河边肥沃的冲积台地上种植作物。

4.Geologists study the sediment layers found in the alluvial bench to understand past climates.

地质学家研究冲积台地中的沉积层，以了解过去的气候。

5.The hiking trail leads to a scenic overlook of the alluvial bench and the river below.

徒步小径通向一个俯瞰冲积台地和下面河流的美丽观景点。

作文

The term alluvial bench refers to a flat or gently sloping area that has been formed by the deposition of sediment, typically along the banks of rivers or streams. These benches are often created when water flow decreases, allowing sediment carried by the water to settle and accumulate over time. Understanding the concept of an alluvial bench is crucial for various fields, including geology, environmental science, and land use planning.In geology, alluvial benches serve as significant indicators of historical river behavior. By studying these formations, scientists can infer past climate conditions and changes in river dynamics. For instance, a series of alluvial benches at different elevations might suggest that a river has undergone periods of erosion and sedimentation due to fluctuating water levels. This information is vital for reconstructing past environments and understanding how they have evolved over time.From an environmental perspective, alluvial benches are essential habitats for various species of plants and animals. The nutrient-rich sediments that accumulate in these areas support diverse ecosystems. For example, many riparian plants thrive in these environments, providing food and shelter for wildlife. Additionally, alluvial benches can play a role in flood management. They can absorb excess water during floods, reducing the impact on surrounding areas and helping to maintain the ecological balance of river systems.In terms of land use planning, recognizing the presence of alluvial benches can inform decisions related to agriculture, urban development, and conservation. Farmers often seek out these areas for cultivation because the soils are typically fertile due to the rich nutrients deposited by the river. However, urban planners must also consider the potential risks associated with building on or near alluvial benches, such as flooding or erosion. Therefore, a comprehensive understanding of these formations can lead to more sustainable development practices.Moreover, the study of alluvial benches is not limited to their physical characteristics; it also encompasses the cultural significance of these landscapes. Many communities have historically settled near rivers, utilizing the resources provided by alluvial benches for agriculture and fishing. This connection to the land shapes cultural identities and traditions, highlighting the importance of preserving these areas for future generations.In conclusion, the concept of an alluvial bench is multifaceted, impacting geological research, environmental conservation, land use planning, and cultural heritage. By appreciating the significance of these formations, we can foster a deeper understanding of our natural world and promote responsible stewardship of our rivers and their surrounding landscapes. As we continue to study and interact with these vital ecosystems, it is essential to recognize the role that alluvial benches play in maintaining ecological balance and supporting human livelihoods.

术语冲积台地指的是由沉积物沉积形成的平坦或缓坡区域，通常位于河流或溪流的岸边。这些台地通常是在水流减弱时形成的，水流携带的沉积物得以沉降并随着时间的推移积累。理解冲积台地的概念对地质学、环境科学和土地利用规划等多个领域至关重要。在地质学中，冲积台地作为历史河流行为的重要指标。通过研究这些地貌，科学家可以推断出过去的气候条件和河流动态的变化。例如，不同海拔高度的一系列冲积台地可能表明河流由于水位波动经历了侵蚀和沉积的周期。这些信息对于重建过去的环境和理解它们是如何随着时间演变而来的至关重要。从环境的角度来看，冲积台地是多种植物和动物物种的重要栖息地。积累在这些地区的富含营养的沉积物支持着多样的生态系统。例如，许多河岸植物在这些环境中茁壮成长，为野生动物提供食物和庇护。此外，冲积台地在洪水管理中也可以发挥作用。它们可以在洪水期间吸收多余的水，减少对周围地区的影响，并帮助维持河流系统的生态平衡。在土地利用规划方面，识别冲积台地的存在可以为农业、城市发展和保护决策提供信息。农民通常寻找这些地区进行耕作，因为由于河流沉积的丰富养分，土壤通常肥沃。然而，城市规划者也必须考虑在冲积台地上或附近建设的潜在风险，例如洪水或侵蚀。因此，对这些地貌的全面理解可以导致更可持续的发展实践。此外，冲积台地的研究不仅限于其物理特征；它还包括这些景观的文化意义。许多社区历史上都定居在河流附近，利用冲积台地提供的资源进行农业和捕鱼。这种与土地的联系塑造了文化身份和传统，突显了保护这些地区对未来几代人的重要性。总之，冲积台地的概念是多方面的，影响着地质研究、环境保护、土地利用规划和文化遗产。通过欣赏这些地貌的重要性，我们可以加深对自然世界的理解，并促进对河流及其周边景观的负责任管理。在我们继续研究和与这些重要生态系统互动时，认识到冲积台地在维持生态平衡和支持人类生计方面的作用至关重要。