base surge

简明释义

低涌

英英释义

例句

1.During the field trip, we witnessed a minor base surge 基底喷发 that illustrated the power of volcanic activity.

在实地考察中，我们目睹了一次小规模的基底喷发，展示了火山活动的力量。

2.The documentary highlighted the dangers associated with base surge 基底喷发 during volcanic eruptions.

这部纪录片强调了火山喷发期间与基底喷发相关的危险。

3.The volcanic eruption caused a significant base surge 基底喷发 that devastated the surrounding area.

火山爆发导致了显著的基底喷发，摧毁了周围地区。

4.Scientists studied the base surge 基底喷发 patterns to predict future eruptions more accurately.

科学家们研究了基底喷发模式，以更准确地预测未来的喷发。

5.Emergency services were on alert for a potential base surge 基底喷发 following the seismic activity.

在地震活动后，紧急服务部门对潜在的基底喷发保持警惕。

作文

The term base surge refers to a specific volcanic phenomenon that occurs during explosive eruptions. This phenomenon is characterized by a rapid, lateral flow of volcanic material, including ash, gas, and other debris, which can travel at high speeds and cover considerable distances. Understanding the mechanics of base surge is crucial for volcanologists and emergency management teams, especially in regions prone to volcanic activity.During a volcanic eruption, the base surge is often generated when the volcanic column collapses or when the eruption produces a large amount of gas and ash. This collapse creates a dense cloud that rushes down the slopes of the volcano, driven by gravity. The speed and intensity of a base surge can be devastating, as it can knock down trees, destroy buildings, and cause significant loss of life.One of the most infamous examples of a base surge occurred during the eruption of Mount St. Helens in 1980. The eruption produced massive amounts of ash and gas that led to the formation of a powerful base surge. This event highlighted the need for better monitoring and understanding of volcanic behavior, as many people were caught off guard by the suddenness and ferocity of the surge.Volcanologists study base surges to develop models that can predict their occurrence and impact. By analyzing past eruptions and the conditions that lead to base surges, scientists can provide valuable information to communities living near active volcanoes. This research is essential for developing evacuation plans and ensuring public safety during volcanic events.In addition to their destructive power, base surges also provide insights into the nature of volcanic eruptions. The composition of the materials carried by a base surge can reveal important information about the magma's characteristics and the eruption's intensity. By studying these materials, researchers can gain a better understanding of the underlying processes that drive volcanic activity.Moreover, the ecological impacts of base surges are significant. When a base surge sweeps through an area, it can alter the landscape dramatically, affecting local ecosystems and wildlife. The recovery process for these areas can take years, as the environment adjusts to the changes brought about by the volcanic activity.In conclusion, the phenomenon of base surge is a critical aspect of volcanic eruptions that poses serious risks to life and property. Ongoing research and monitoring efforts are essential to mitigate these risks and improve our understanding of volcanic behavior. As we continue to learn more about base surges, we can better prepare for the challenges they present, ultimately safeguarding communities and enhancing our knowledge of Earth’s dynamic processes.

术语base surge指的是在爆炸性喷发期间发生的一种特定火山现象。这种现象的特点是火山物质（包括灰烬、气体和其他碎片）迅速横向流动，可以以高速移动并覆盖相当大的距离。理解base surge的机制对于火山学家和应急管理团队至关重要，尤其是在容易发生火山活动的地区。在火山喷发期间，base surge通常是在火山柱坍塌或喷发产生大量气体和灰烬时产生的。这种坍塌会形成一个密集的云层，顺着火山坡快速下滑，受到重力的驱动。base surge的速度和强度可能是毁灭性的，因为它可以击倒树木、摧毁建筑物，并造成重大人员伤亡。1980年圣海伦斯山喷发期间，base surge的一个臭名昭著的例子发生了。喷发产生了大量的灰烬和气体，导致形成了强大的base surge。这一事件突显了更好地监测和理解火山行为的必要性，因为许多人被涌现的突然性和猛烈性所震惊。火山学家研究base surges以开发能够预测其发生和影响的模型。通过分析过去的喷发及导致base surges的条件，科学家们可以为生活在活火山附近的社区提供有价值的信息。这项研究对于制定疏散计划和确保火山事件期间公众安全至关重要。除了其破坏力外，base surges还提供了对火山喷发性质的见解。被base surge携带的材料的成分可以揭示有关岩浆特性和喷发强度的重要信息。通过研究这些材料，研究人员可以更好地理解推动火山活动的基础过程。此外，base surges的生态影响也很显著。当base surge席卷一个地区时，可能会显著改变景观，影响当地生态系统和野生动物。由于火山活动带来的变化，这些地区的恢复过程可能需要数年时间，因为环境会逐渐适应这些变化。总之，base surge现象是火山喷发的一个关键方面，对生命和财产构成严重风险。持续的研究和监测工作对于减轻这些风险和改善我们对火山行为的理解至关重要。随着我们对base surges了解的不断深入，我们可以更好地为它们带来的挑战做好准备，从而最终保护社区并增强我们对地球动态过程的认识。