vulcanian

简明释义

英[vʌlˈkeɪnɪəns]美[vʌlˈkeniən]

adj. 火山的；金工的

英英释义

单词用法

同义词

反义词

例句

1.The bulk of Vulcanian deposits are fine grained ash.

大部分火山岩矿床为细粒灰岩。

2.The bulk of Vulcanian deposits are fine grained ash.

大部分火山岩矿床为细粒灰岩。

3.The vulcanian 火山喷发的 characteristics include explosive eruptions and ash fallout.

这种火山喷发的特征包括爆炸性喷发和灰烬降落。

4.The scientists observed a series of vulcanian 火山喷发的 eruptions in the region.

科学家观察到该地区发生了一系列火山喷发的喷发。

5.During the vulcanian 火山喷发的 event, ash clouds reached several kilometers into the atmosphere.

在这次火山喷发的事件中，灰烬云层达到了数公里的高度。

6.Residents were evacuated due to the potential for vulcanian 火山喷发的 explosions.

由于可能发生火山喷发的爆炸，居民被撤离。

7.The vulcanian 火山喷发的 activity was closely monitored by geologists.

地质学家密切监测了火山喷发的活动。

作文

The term vulcanian refers to a specific type of volcanic eruption characterized by explosive activity. These eruptions are often marked by the ejection of ash, gas, and molten rock into the atmosphere. Understanding vulcanian eruptions is crucial for both scientists and local communities living near volcanoes. The impact of such eruptions can be devastating, affecting air quality, climate, and even the health of nearby populations. In this essay, we will explore the nature of vulcanian eruptions, their causes, and their effects on the environment and human life.Firstly, it is essential to understand what triggers a vulcanian eruption. These eruptions typically occur when there is a significant buildup of pressure within a volcano. This pressure can result from the accumulation of magma beneath the Earth's surface, which forces its way upward through cracks in the crust. When the pressure becomes too great, it leads to an explosive release of gas and magma, resulting in a vulcanian eruption. The explosive nature of these eruptions distinguishes them from other types of volcanic activity, such as effusive eruptions, where lava flows steadily rather than explosively.Secondly, the consequences of vulcanian eruptions can be severe. The immediate vicinity of the volcano may experience pyroclastic flows, which are fast-moving currents of hot gas and volcanic matter. These flows can obliterate everything in their path, making them one of the deadliest aspects of a vulcanian eruption. Furthermore, the ash released into the atmosphere can travel vast distances, affecting air travel and leading to respiratory problems for people living far from the volcano. The fallout from such eruptions can disrupt agriculture, contaminate water supplies, and lead to long-term environmental changes.Moreover, the study of vulcanian eruptions has significant implications for hazard assessment and disaster preparedness. By monitoring volcanic activity and understanding the signs that precede an eruption, scientists can provide early warnings to communities at risk. This proactive approach can save lives and reduce economic losses associated with volcanic disasters. For example, advancements in technology have allowed for better detection of seismic activity and gas emissions, which are critical indicators of impending eruptions.In addition to their destructive power, vulcanian eruptions also play a role in shaping the Earth's landscape. Over time, the materials ejected during these eruptions contribute to the formation of new landforms, such as volcanic islands and mountains. These geological processes are essential for understanding the Earth's history and the dynamics of our planet's crust.In conclusion, the term vulcanian encompasses a fascinating yet dangerous aspect of our planet's geology. By studying vulcanian eruptions, we gain insights into the mechanisms of volcanic activity and the potential hazards they pose. As we continue to advance our knowledge and technology, we can better prepare for and mitigate the impacts of these powerful natural events. Understanding vulcanian eruptions not only helps protect human life but also enriches our appreciation of the Earth's dynamic systems.

术语vulcanian指的是一种特定类型的火山喷发，其特点是爆炸性活动。这些喷发通常以将灰烬、气体和熔融岩石喷射到大气中为特征。理解vulcanian喷发对生活在火山附近的科学家和当地社区至关重要。这种喷发的影响可能是毁灭性的，影响空气质量、气候，甚至附近人群的健康。在本文中，我们将探讨vulcanian喷发的性质、原因以及对环境和人类生活的影响。首先，了解是什么引发vulcanian喷发至关重要。这些喷发通常发生在火山内部压力显著增加时。压力的增加可能是由于地壳下方岩浆的积累，这迫使其通过地壳的裂缝向上移动。当压力变得过大时，就会导致气体和岩浆的爆炸性释放，从而导致vulcanian喷发。这种喷发的爆炸性特征使其与其他类型的火山活动（如流动喷发）区分开来，后者的熔岩是稳定流动而不是爆炸性喷发。其次，vulcanian喷发的后果可能是严重的。火山附近的地区可能会经历火山碎屑流，这是一种快速移动的热气体和火山物质的流动。这些流动可以摧毁路径上的一切，使其成为vulcanian喷发最致命的方面之一。此外，喷发到大气中的灰烬可以传播到远距离，影响航空旅行，并导致远离火山的人们出现呼吸问题。这种喷发的后果可能会破坏农业、污染水源，并导致长期的环境变化。此外，研究vulcanian喷发对危险评估和灾害准备有重要意义。通过监测火山活动并理解喷发前的迹象，科学家可以向面临风险的社区提供早期警告。这种主动的方法可以拯救生命，减少与火山灾害相关的经济损失。例如，技术的进步使得对地震活动和气体排放的检测更加准确，这些都是即将喷发的重要指标。除了其破坏力外，vulcanian喷发还在塑造地球的地貌中发挥作用。随着时间的推移，喷发过程中喷出的物质有助于新地形的形成，例如火山岛和山脉。这些地质过程对于理解地球的历史和我们星球地壳的动态至关重要。总之，术语vulcanian涵盖了我们星球地质学中一个迷人但危险的方面。通过研究vulcanian喷发，我们获得了有关火山活动机制和它们可能带来的危害的见解。随着我们知识和技术的不断进步，我们可以更好地准备和减轻这些强大自然事件的影响。理解vulcanian喷发不仅有助于保护人类生命，还丰富了我们对地球动态系统的理解。