basal slip

简明释义

底面滑移;

英英释义

例句

1.The research indicated that increased water levels could lead to more significant basal slip in the region.

研究表明，水位的上升可能导致该地区更显著的basal slip。

2.In the study of landslides, researchers often measure basal slip to understand the movement of soil layers.

在滑坡研究中，研究人员通常测量basal slip以了解土层的运动。

3.During the presentation, the professor highlighted the importance of basal slip in the context of tectonic plate movements.

在演讲中，教授强调了在构造板块运动背景下basal slip的重要性。

4.The engineers accounted for basal slip when designing the foundation of the building in a seismic zone.

工程师在设计位于地震带的建筑基础时考虑了basal slip。

5.The geologist explained that the phenomenon of basal slip refers to the sliding of a glacier over its bedrock.

地质学家解释说，basal slip现象指的是冰川在其基岩上滑动。

作文

The concept of basal slip is crucial in understanding how glaciers move and interact with the underlying bedrock. Glaciers, massive bodies of ice that flow over land, are not static entities; they are dynamic systems that undergo various processes. One such process is basal slip, which refers to the sliding motion that occurs at the base of a glacier. This phenomenon is primarily influenced by the pressure exerted by the weight of the ice above and the presence of meltwater or sediment at the glacier's base.To comprehend basal slip, it is essential to consider the factors that contribute to this sliding motion. As a glacier advances, the immense weight of the ice creates pressure that can cause the ice at the base to melt, forming a thin layer of water. This meltwater acts as a lubricant, reducing friction between the glacier and the bedrock. The result is a more efficient flow of the glacier, allowing it to move more rapidly down slopes and across valleys.Moreover, basal slip is not uniform across all glaciers. Different glaciers exhibit varying degrees of this sliding motion based on their environmental conditions. For instance, temperate glaciers, which exist in warmer climates, tend to experience more significant basal slip due to higher meltwater production. In contrast, polar glaciers, located in colder regions, may have less meltwater and consequently exhibit reduced sliding.The implications of basal slip extend beyond the movement of glaciers themselves. The process plays a pivotal role in shaping the landscape through which glaciers flow. As glaciers slide over the bedrock, they erode the surface, carving out valleys and fjords and transporting sediments. This erosion and deposition process contributes to the unique geological features found in glaciated regions.In addition, understanding basal slip is vital for predicting the behavior of glaciers in response to climate change. As global temperatures rise, the melting of glaciers accelerates, leading to increased meltwater at the base. This can enhance basal slip, resulting in faster glacier movement and potential consequences for sea-level rise. Monitoring these changes is critical for assessing the impact of climate change on glacial systems and coastal communities.In conclusion, basal slip is a fundamental aspect of glacier dynamics that significantly influences both the movement of glaciers and the geological landscapes they shape. By studying this phenomenon, scientists can gain valuable insights into the interactions between glaciers and their environment, as well as the broader implications of climate change on these majestic ice formations. Understanding basal slip is not only important for glaciology but also for environmental science as a whole, as it helps us grasp the complexities of our planet's changing climate and its effects on natural systems.

“基底滑动”这一概念对于理解冰川如何移动及其与下方基岩的相互作用至关重要。冰川是流动在陆地上的巨大冰体，它们并不是静态的存在，而是动态系统，经历着各种过程。其中一个过程就是“基底滑动”，它指的是发生在冰川底部的滑动运动。这个现象主要受到上方冰层施加的压力和冰川底部存在的融水或沉积物的影响。要理解“基底滑动”，必须考虑促成这种滑动运动的因素。当冰川向前推进时，冰体的巨大重量产生的压力可能导致底部的冰融化，形成一层薄薄的水。这些融水充当润滑剂，减少冰川与基岩之间的摩擦。结果是冰川流动效率更高，使其能够更快速地沿坡道和山谷移动。此外，“基底滑动”在不同冰川中并不均匀。不同的冰川根据其环境条件表现出不同程度的滑动。例如，温带冰川存在于较温暖的气候中，由于融水产生较多，往往经历更显著的“基底滑动”。相比之下，位于寒冷地区的极地冰川可能融水较少，因此滑动幅度减小。“基底滑动”的影响不仅限于冰川本身的运动。该过程在塑造冰川流经的地貌方面发挥着关键作用。当冰川在基岩上滑动时，它们侵蚀表面，雕刻出山谷和海湾，并运输沉积物。这种侵蚀和沉积过程有助于形成冰川地区独特的地质特征。此外，了解“基底滑动”对于预测冰川在气候变化下的行为至关重要。随着全球气温上升，冰川融化加速，导致底部融水增加。这可能增强“基底滑动”，导致冰川运动加快，从而对海平面上升产生潜在影响。监测这些变化对于评估气候变化对冰川系统及沿海社区的影响至关重要。总之，“基底滑动”是冰川动力学的一个基本方面，对冰川的运动及其塑造的地质景观具有重大影响。通过研究这一现象，科学家们可以获得关于冰川与其环境相互作用的宝贵见解，以及气候变化对这些宏伟冰体的广泛影响。理解“基底滑动”不仅对冰川学重要，而且对整个环境科学也至关重要，因为它帮助我们把握地球气候变化及其对自然系统影响的复杂性。