crevasse splay

简明释义

1. 决口扇; 2. 决口扇形滩;

英英释义

例句

1.The geologists discovered a large crevasse splay 冰裂缝扇 at the base of the glacier during their expedition.

地质学家在考察期间发现了冰川底部的一个大型crevasse splay 冰裂缝扇。

2.A sudden thaw revealed a hidden crevasse splay 冰裂缝扇 that had been covered in snow.

突然的融化揭示了一个隐藏的crevasse splay 冰裂缝扇，之前被雪覆盖。

3.Climbers should be cautious when traversing areas with visible crevasse splays 冰裂缝扇.

登山者在穿越有明显crevasse splays 冰裂缝扇的区域时应当小心。

4.Understanding the formation of a crevasse splay 冰裂缝扇 can help predict future glacial movements.

理解crevasse splay 冰裂缝扇的形成可以帮助预测未来的冰川运动。

5.The team mapped several crevasse splays 冰裂缝扇 to analyze the glacier's stability.

团队绘制了几个crevasse splays 冰裂缝扇的地图，以分析冰川的稳定性。

作文

In the study of glaciology, one of the fascinating phenomena that researchers often encounter is the formation of a crevasse splay. A crevasse splay refers to the sedimentary deposit that forms at the base of a glacier when meltwater flows through the cracks or crevasses in the ice. This process is not only crucial for understanding glacier dynamics but also plays a significant role in shaping the surrounding landscape. As glaciers advance and retreat due to climatic changes, they create various geological features, including moraines, drumlins, and, importantly, crevasse splays.The formation of a crevasse splay begins when a glacier experiences stress, leading to the development of cracks in the ice. These cracks can vary in size and depth, depending on the glacier's movement and the environmental conditions. When meltwater from the glacier seeps into these crevasses, it begins to erode the surrounding material, transporting sediments that eventually accumulate at the glacier's terminus. The result is a fan-shaped deposit known as a crevasse splay, which can provide valuable insights into the glacier’s history and the climatic conditions that influenced its behavior.Understanding crevasse splays is essential for scientists studying past climate changes. By analyzing the composition and distribution of sediments within a crevasse splay, researchers can reconstruct historical glacier movements and infer climatic variations over time. For instance, the presence of certain minerals or organic materials in a crevasse splay can indicate periods of warmer temperatures or increased precipitation, allowing scientists to draw connections between glacial activity and broader environmental shifts.Moreover, crevasse splays are not just important for scientific research; they also have practical implications for communities living near glacial regions. As glaciers retreat due to global warming, the landscape undergoes significant changes. The resulting crevasse splays can influence local ecosystems, affect water flow patterns, and even pose risks of flooding in nearby areas. Understanding how crevasse splays form and evolve helps local governments and environmental organizations develop strategies for managing these changes and mitigating potential hazards.In conclusion, the concept of a crevasse splay serves as a vital link between glaciology and environmental science. It encapsulates the dynamic interactions between glaciers and their surroundings, highlighting the importance of studying these formations to grasp the complexities of our planet's climate system. As we continue to face the challenges posed by climate change, understanding phenomena like crevasse splays becomes increasingly crucial for both scientific inquiry and practical decision-making in affected regions.

在冰川学的研究中，研究人员经常遇到的一个迷人现象是裂缝扇（crevasse splay）的形成。裂缝扇（crevasse splay）指的是当融水通过冰中的裂缝或裂口流动时，在冰川底部形成的沉积物沉积。这一过程不仅对理解冰川动力学至关重要，还在塑造周围地貌方面发挥了重要作用。随着气候变化导致冰川的推进和退却，它们创造了各种地质特征，包括冰碛、鼓丘，以及重要的裂缝扇（crevasse splay）。裂缝扇（crevasse splay）的形成始于冰川经历应力，从而导致冰中出现裂缝。这些裂缝的大小和深度可能会有所不同，具体取决于冰川的运动和环境条件。当来自冰川的融水渗入这些裂缝时，它开始侵蚀周围的材料，运输沉积物，最终在冰川的末端聚集。结果是形成一种扇形沉积，称为裂缝扇（crevasse splay），这可以为研究冰川历史和影响其行为的气候条件提供宝贵的见解。理解裂缝扇（crevasse splay）对研究过去气候变化的科学家至关重要。通过分析裂缝扇（crevasse splay）内沉积物的组成和分布，研究人员可以重建历史冰川运动，并推断出气候变化的情况。例如，裂缝扇（crevasse splay）中某些矿物或有机物质的存在可以表明温暖气候或降水量增加的时期，使科学家能够将冰川活动与更广泛的环境变化联系起来。此外，裂缝扇（crevasse splay）不仅对科学研究重要；它们对生活在冰川区域附近的社区也有实际影响。随着全球变暖导致冰川退却，地貌发生了显著变化。由此产生的裂缝扇（crevasse splay）可以影响当地生态系统，改变水流模式，甚至对附近地区构成洪水风险。理解裂缝扇（crevasse splay）是如何形成和演变的，有助于地方政府和环保组织制定管理这些变化和减轻潜在危险的策略。总之，裂缝扇（crevasse splay）的概念作为冰川学和环境科学之间的重要联系，概括了冰川与其周围环境之间的动态互动，突显了研究这些形成物以掌握我们星球气候系统复杂性的必要性。随着我们继续面临气候变化带来的挑战，理解像裂缝扇（crevasse splay）这样的现象，对科学探究和受影响地区的实际决策变得愈发重要。