backbarrier deposit

简明释义

1. 障壁后沉积; 2. 堤坝后沉积;

英英释义

例句

1.The backbarrier deposit plays a crucial role in coastal protection by stabilizing the shoreline.

该后障碍沉积在通过稳定海岸线来保护沿海地区方面起着至关重要的作用。

2.Researchers are analyzing the composition of the backbarrier deposit to understand historical climate changes.

研究人员正在分析后障碍沉积的成分，以了解历史气候变化。

3.The environmental study focused on the impact of backbarrier deposits on local ecosystems.

环境研究集中在后障碍沉积对当地生态系统的影响上。

4.During the excavation, workers unearthed a backbarrier deposit that contained ancient marine fossils.

在挖掘过程中，工人们发现了一个包含古代海洋化石的后障碍沉积。

5.The geologist discovered a significant backbarrier deposit in the coastal area, indicating past sedimentation processes.

地质学家在沿海地区发现了一个重要的后障碍沉积，表明过去的沉积过程。

作文

In the world of geology and sedimentology, understanding various deposits is crucial for interpreting past environments and predicting future geological processes. One such term that often arises in discussions about sedimentary layers is backbarrier deposit. A backbarrier deposit refers to the accumulation of sediments that occur behind a barrier, typically a coastal feature like a sandbar or a reef. These deposits play a significant role in shaping coastal landscapes and ecosystems. They can form in lagoons, estuaries, and other sheltered areas where the energy of waves is reduced, allowing finer particles to settle and accumulate.The formation of backbarrier deposits is influenced by several factors, including tidal movements, wave action, and sediment supply. For instance, during high-energy storm events, large amounts of sediment can be transported from the ocean and deposited in these sheltered areas. Over time, this process contributes to the development of unique habitats that support diverse flora and fauna.Moreover, backbarrier deposits are vital for coastal protection. They act as natural buffers against storm surges and erosion, helping to protect inland areas from the impacts of severe weather. As climate change continues to affect sea levels and weather patterns, the importance of these deposits becomes increasingly apparent. Understanding their dynamics allows scientists and policymakers to develop effective strategies for coastal management and conservation.In addition to their ecological and protective roles, backbarrier deposits also hold significant economic value. Many coastal communities rely on healthy ecosystems for tourism, fishing, and recreation. The presence of well-preserved backbarrier deposits can enhance the aesthetic appeal of an area, attracting visitors and providing opportunities for sustainable development.However, human activities such as coastal development, dredging, and pollution pose threats to these delicate environments. The alteration of natural sediment flows and the destruction of coastal barriers can lead to the degradation of backbarrier deposits, resulting in loss of habitat and increased vulnerability to coastal hazards. Therefore, it is essential to promote practices that protect these natural systems while balancing economic interests.In conclusion, the concept of backbarrier deposit is integral to our understanding of coastal geology and ecology. These deposits not only contribute to the physical landscape but also support biodiversity, provide protection against environmental threats, and offer economic benefits to coastal communities. As we face the challenges posed by climate change and human impact, recognizing the value of backbarrier deposits will be key to ensuring the resilience and sustainability of our coastal environments.

在地质学和沉积学的世界中，理解各种沉积物对于解释过去的环境和预测未来的地质过程至关重要。在讨论沉积层时，常常会出现一个术语——后障碍沉积。后障碍沉积是指在障碍物后面（通常是沙洲或礁石等沿海特征）发生的沉积物累积。这些沉积物在塑造沿海景观和生态系统方面起着重要作用。它们可以在泻湖、河口和其他受保护的区域形成，在这些地方，波浪的能量降低，细小的颗粒得以沉淀和积累。后障碍沉积的形成受到潮汐运动、波浪作用和沉积物供应等多个因素的影响。例如，在高能风暴事件期间，大量沉积物可以从海洋运输到这些受保护的区域并沉积。随着时间的推移，这一过程有助于形成独特的栖息地，支持多样的植物和动物群落。此外，后障碍沉积对于沿海保护至关重要。它们充当自然缓冲区，抵御风暴潮和侵蚀，帮助保护内陆地区免受严重天气的影响。随着气候变化继续影响海平面和天气模式，这些沉积物的重要性变得愈加明显。理解其动态特征使科学家和政策制定者能够制定有效的沿海管理和保护策略。除了生态和保护作用外，后障碍沉积还具有重要的经济价值。许多沿海社区依赖健康的生态系统进行旅游、渔业和休闲活动。保存良好的后障碍沉积的存在可以增强一个地区的美学吸引力，吸引游客并提供可持续发展的机会。然而，人类活动如沿海开发、疏浚和污染对这些脆弱的环境构成威胁。自然沉积物流的改变和沿海障碍的破坏可能导致后障碍沉积的退化，造成栖息地的丧失和对沿海灾害的脆弱性增加。因此，促进保护这些自然系统的做法，同时平衡经济利益至关重要。总之，后障碍沉积的概念对我们理解沿海地质和生态至关重要。这些沉积物不仅对物理景观做出贡献，还支持生物多样性，提供抵御环境威胁的保护，并为沿海社区带来经济利益。面对气候变化和人类影响带来的挑战，认识到后障碍沉积的价值将是确保我们沿海环境的韧性和可持续性的关键。