stratovolcano

简明释义

英[ˌstrætəʊvɒlˈkeɪnəʊ]美[ˌstrætoʊvɑːlˈkeɪnoʊ]

n. [地质] 成层火山

复 数 s t r a t o v o l c a n o e s 或 s t r a t o v o l c a n o s

英英释义

单词用法

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例句

1.The current stratovolcano-a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments-is built on top of an older stratovolcano.

这个层状火山是由稠密的熔岩流以及火山灰和岩石碎片等喷发物所形成的连续层堆积而成的锥形火山，它位于一个更老的层状火山之上。

2.The 2,582-meter (9,357-foot) stratovolcano is mantled by a 30-square-kilometer (10-square-mile) glacier field, most of it amassed south and east of the summit in a basin made by a caldera depression.

这座高达2582米（9357英尺）的成层火山（百科看 这里——译注）顶部被一层30平方公里的冰川（10平方英里）所覆盖，大部分冰雪都积聚在山顶南部和东部因岩浆喷发所形成的盆地中。

3.The 2,582-meter (9,357-foot) stratovolcano is mantled by a 30-square-kilometer (10-square-mile) glacier field, most of it amassed south and east of the summit in a basin made by a caldera depression.

这座高达2582米（9357英尺）的成层火山（百科看 这里——译注）顶部被一层30平方公里的冰川（10平方英里）所覆盖，大部分冰雪都积聚在山顶南部和东部因岩浆喷发所形成的盆地中。

4.stratovolcano: a steep-sloped, conical structure composed of alternating layers of hardened lava, solidified ash, and rocks thrown out by earlier eruptions.

胡德山是一个成层火山：一个陡峭的园锥形山，由层层堆叠的硬化的熔岩、结块的火山灰和早期喷发是甩出的岩石构成。

5.The current stratovolcano — a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments — is built on top of an older stratovolcano.

如今层状的尤耶亚科火山(由一层一层的火上熔岩和火山喷发产生的灰尘和碎石形成的火山锥)是在一座更加古老的层状火山上形成的。

6.Scientists study the lava flow from the stratovolcano 层状火山 to understand its eruption patterns.

科学家研究来自层状火山 stratovolcano 的熔岩流，以了解其喷发模式。

7.The Andes mountain range is home to many active stratovolcanoes 层状火山, making it a hotspot for volcanology research.

安第斯山脉是许多活跃的层状火山 stratovolcanoes 的家园，使其成为火山学研究的热点。

8.Visitors to Italy often explore the stunning stratovolcano 层状火山 Mount Vesuvius, which famously buried Pompeii.

前往意大利的游客常常探索壮观的层状火山 stratovolcano 维苏威火山，它以埋葬庞贝而闻名。

9.A stratovolcano 层状火山 typically has steep sides and is built up by layers of lava and ash.

一座层状火山 stratovolcano 通常有陡峭的侧面，由熔岩和灰烬的层叠构成。

10.Mount St. Helens is a famous example of a stratovolcano 层状火山 that erupted dramatically in 1980.

圣海伦斯山是一个著名的层状火山 stratovolcano，在1980年剧烈喷发。

作文

A stratovolcano is a type of volcano characterized by its steep, conical shape and layered structure. These majestic geological formations are often found at convergent plate boundaries where an oceanic plate subducts beneath a continental plate. The process of subduction leads to the melting of the mantle, creating magma that rises to the surface. The result is a stratovolcano, which is known for its explosive eruptions and the production of andesitic lava. Unlike shield volcanoes, which have gentle slopes and produce relatively non-explosive eruptions, stratovolcanoes are steep and can unleash devastating pyroclastic flows and ash clouds.One of the most famous examples of a stratovolcano is Mount St. Helens in the United States. Its catastrophic eruption in 1980 reshaped the surrounding landscape and provided scientists with valuable data about volcanic activity. The eruption was a stark reminder of the power of nature and the potential dangers posed by stratovolcanoes. Another well-known stratovolcano is Mount Fuji in Japan, an iconic symbol of the country. Although it has not erupted since 1707, its perfect symmetrical cone shape continues to attract tourists and artists alike.The formation of a stratovolcano involves multiple stages of volcanic activity. Initially, the volcano may erupt quietly, allowing layers of lava to build up over time. As pressure builds within the magma chamber, more explosive eruptions may occur, ejecting ash and larger volcanic rocks into the atmosphere. This cyclical process of eruption and deposition results in the characteristic stratified appearance of these volcanoes. Each layer represents a different phase of volcanic activity, providing a geological record of the volcano's history.Despite their beauty, stratovolcanoes pose significant risks to nearby communities. Their explosive nature can lead to loss of life and property, as seen in the case of Pompeii, which was buried under volcanic ash from the eruption of Mount Vesuvius in 79 AD. Modern monitoring techniques, including seismographs and gas emissions analysis, are crucial for predicting eruptions and mitigating hazards associated with stratovolcanoes. Scientists continuously study these volcanoes to better understand their behavior and improve early warning systems.In addition to their geological significance, stratovolcanoes also play a vital role in ecosystems. The nutrient-rich ash produced during eruptions can enhance soil fertility, leading to lush vegetation in the surrounding areas. This phenomenon can create unique habitats for various plant and animal species. Furthermore, the presence of a stratovolcano can influence local climate patterns, impacting rainfall and temperature.In conclusion, stratovolcanoes are fascinating geological structures that offer insights into the Earth's processes. Their explosive nature and layered formations make them a subject of study for volcanologists and a point of interest for tourists. Understanding the dynamics of stratovolcanoes is essential for disaster preparedness and environmental conservation. As we continue to explore and learn about these magnificent formations, we must also respect their power and the potential threats they pose to human life and the environment.

火山锥是一种以陡峭的圆锥形和分层结构为特征的火山。这些宏伟的地质构造通常位于海洋板块在大陆板块下沉的汇聚板块边界。下沉过程导致地幔的熔化，形成上升到地表的岩浆。结果就是火山锥，它因其爆炸性喷发和安第斯岩浆的产生而闻名。与产生相对非爆炸性喷发的盾状火山不同，火山锥陡峭，并且可以释放毁灭性的火山碎屑流和灰烬云。美国的圣海伦斯山是一个最著名的火山锥例子。1980年的灾难性喷发重塑了周围的景观，并为科学家提供了关于火山活动的宝贵数据。这次喷发清楚地提醒了人们自然的力量以及火山锥可能带来的潜在危险。另一个著名的火山锥是日本的富士山，它是该国的标志性象征。尽管自1707年以来没有喷发，但其完美的对称锥形仍然吸引着游客和艺术家的目光。火山锥的形成涉及多个阶段的火山活动。最初，火山可能会安静地喷发，使岩浆层逐渐堆积。随着岩浆室内压力的增加，可能会发生更具爆炸性的喷发，将灰烬和更大的火山岩石喷射到大气中。这种喷发和沉积的循环过程导致了这些火山特征分层的外观。每一层代表了火山活动的不同阶段，为火山的历史提供了地质记录。尽管它们美丽，火山锥对附近社区构成重大风险。其爆炸性特征可能导致生命和财产的损失，正如庞贝古城在公元79年被维苏威火山喷发的火山灰掩埋的案例所示。现代监测技术，包括地震仪和气体排放分析，对于预测喷发和减轻与火山锥相关的危害至关重要。科学家们不断研究这些火山，以更好地理解它们的行为并改善预警系统。除了地质意义，火山锥还在生态系统中发挥着重要作用。喷发过程中产生的富含营养的火山灰可以增强土壤肥力，导致周围地区的植被茂盛。这种现象可以为各种植物和动物物种创造独特的栖息地。此外，火山锥的存在可以影响当地气候模式，影响降雨和温度。总之，火山锥是迷人的地质结构，提供了对地球过程的深入了解。它们的爆炸性特征和分层形成使它们成为火山学家研究的对象，也成为游客关注的焦点。理解火山锥的动态对于灾害准备和环境保护至关重要。随着我们继续探索和了解这些宏伟的构造，我们也必须尊重它们的力量及其对人类生命和环境可能造成的威胁。