caldera

简明释义

英[kælˈdeərə]美[kælˈderə]

n. [地质]破火山口；火山喷口

n. （Caldera）人名；（英、西）卡尔德拉；（意）卡尔代拉

复 数 c a l d e r a s

英英释义

单词用法

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例句

1.One is a volcanic mountain, with a turquoise lake in the caldera and forests on its flanks.

要么是一座火山，火山口上有滩碧绿色的湖，山的两侧是密密的森林。

2.Each lithologic member expresses the strong or weak features of the caldera activity, recording the evolution stage of the caldera.

各岩性段反映的是破火山活动的强弱特征，记录的是破火山演化阶段。

3.Among these is Toba Caldera, the site of the largest eruption in the past 2.5 million years.

其中的托巴火山(湖)是250万年来，地球上最大的火山爆发的发生地。

4.The caldera is considered an active volcano.

该破火山口被认为是活火山。

5.Caldera Hellion will deal 3 damage to itself (as well as to each other creature) when its comes-into-play ability resolves.

火口湖地狱兽的进场异能结算时，将会对自己造成3点伤害。

6.Working amid acrid fumes, miners excavate chunks of sulfur from the base of the caldera of Mount Ijen in East Java.

矿工们冒着刺鼻的烟雾，从东爪哇伊杰恩火山口底部挖取大块的硫磺。

7.Modern geology studies have shown that Hill is a world with a sense of typical Cretaceous rhyolitic ancient volcano - caldera.

现代地质学研究表明，雁荡山是一座具有世界意义的典型的白垩纪流纹质古火山——破火山。

8.Yellowstone obviously was of this second type, but Christiansen couldn't find the caldera anywhere.

黄石公园显然属于第二种类型，但是克里斯蒂安森就是找不到这个火山口。

9.The caldera is 48 by 72 kilometers. And it remains an active volcano.

该火山口大小为48×72公里，它仍然处于活跃期。

10.After the eruption, the mountain collapsed into a caldera 火山口, creating a beautiful lake.

喷发后，山体塌陷形成了一个caldera 火山口，形成了一个美丽的湖泊。

11.The caldera 火山口 of Yellowstone is one of the largest in the world.

黄石的caldera 火山口是世界上最大的之一。

12.Scientists study the caldera 火山口 to understand past volcanic activity.

科学家研究这个caldera 火山口以了解过去的火山活动。

13.The island was formed by a massive volcanic eruption, leaving behind a large caldera 火山口.

这个岛屿是由一次巨大的火山爆发形成的，留下了一个巨大的caldera 火山口。

14.Tourists flock to the caldera 火山口 to witness its stunning views.

游客们涌向这个caldera 火山口，欣赏其壮观的景色。

作文

The breathtaking beauty of nature often leaves us in awe, and one of the most remarkable geological features that can be found on our planet is a caldera. A caldera (火山口) is formed when a volcano erupts and subsequently collapses into itself, creating a large, bowl-shaped depression. This phenomenon occurs after a massive volcanic eruption depletes the magma chamber beneath the volcano, resulting in the ground above it falling into the empty space left behind. The size of a caldera can vary significantly, ranging from a few kilometers to tens of kilometers in diameter, depending on the scale of the eruption and the volume of magma that was expelled.One of the most famous examples of a caldera is the Yellowstone Caldera located in the United States. This massive geological structure measures about 30 miles across and is situated within Yellowstone National Park. The last major eruption of the Yellowstone caldera occurred approximately 640,000 years ago, and since then, the area has been characterized by geothermal activity, including hot springs, geysers, and fumaroles. The vibrant colors of the hot springs and the dramatic eruptions of geysers like Old Faithful attract millions of visitors each year, showcasing the beauty and power of nature.Another notable caldera is the Santorini Caldera in Greece. This caldera formed after a series of volcanic eruptions around 3,600 years ago, which led to the collapse of the island of Thera. Today, the Santorini caldera is known for its stunning views, crystal-clear waters, and picturesque villages perched on the cliffs. The unique geological history of Santorini has made it a popular destination for tourists and geologists alike, as it offers insights into the processes that shape our planet.The formation of a caldera is not just an isolated event; it has significant implications for the surrounding ecosystem and human activities. The collapse of a volcano can create new habitats for various plant and animal species, leading to increased biodiversity in the region. Additionally, the geothermal features associated with caldera systems can provide valuable resources, such as geothermal energy, which can be harnessed for electricity production.However, the presence of a caldera also poses risks. Volcanic eruptions can have devastating effects on nearby communities, as seen in the case of Mount St. Helens in Washington State, which erupted in 1980 and caused widespread destruction. Understanding the behavior of caldera systems is crucial for predicting future eruptions and mitigating potential hazards.In conclusion, a caldera (火山口) is a fascinating geological feature that results from volcanic activity. Its formation not only shapes the landscape but also influences ecosystems and human life. By studying caldera systems, we gain valuable insights into the dynamic processes of our planet and the interplay between natural phenomena and human existence. Whether it is the awe-inspiring vistas of the Yellowstone caldera or the historical significance of the Santorini caldera, these natural wonders remind us of the powerful forces that have shaped our world and continue to do so.

自然的惊人美丽常常让我们叹为观止，而地球上最显著的地质特征之一就是火山口。火山口是当火山爆发后自我坍塌而形成的大型碗状凹陷。这一现象发生在大规模火山喷发耗尽了火山下方的岩浆室之后，导致上方的地面坍塌到留下的空隙中。火山口的大小可以有显著差异，从几公里到几十公里不等，具体取决于喷发的规模和喷出的岩浆体积。美国的黄石火山口是最著名的例子之一。这一巨大的地质结构直径约为30英里，位于黄石国家公园内。黄石火山口最后一次重大喷发发生在大约64万年前，从那时起，该地区以地热活动为特征，包括温泉、间歇泉和气孔。温泉的鲜艳色彩和老忠实间歇泉的戏剧性喷发每年吸引着数百万游客，展示了自然的美丽和力量。另一个值得注意的火山口是希腊的圣托里尼火山口。这个火山口是在大约3600年前的一系列火山喷发后形成的，导致了萨拉岛的坍塌。如今，圣托里尼火山口以其迷人的景色、清澈的海水以及悬崖上的风景如画的村庄而闻名。圣托里尼独特的地质历史使其成为游客和地质学家都喜爱的目的地，因为它提供了关于塑造我们星球过程的见解。火山口的形成不仅仅是一个孤立的事件；它对周围生态系统和人类活动具有重要影响。火山的坍塌可以为各种植物和动物物种创造新的栖息地，导致该地区生物多样性的增加。此外，与火山口系统相关的地热特征可以提供宝贵的资源，例如地热能，可以用于电力生产。然而，火山口的存在也带来了风险。火山喷发可能对附近社区造成毁灭性影响，正如1980年华盛顿州圣海伦斯山的喷发所示，造成了广泛的破坏。理解火山口系统的行为对于预测未来的喷发和减轻潜在危害至关重要。总之，火山口是由火山活动导致的迷人地质特征。它的形成不仅塑造了景观，还影响了生态系统和人类生活。通过研究火山口系统，我们获得了关于我们星球动态过程和自然现象与人类生存之间相互作用的宝贵见解。无论是黄石火山口的壮丽景色，还是圣托里尼火山口的历史意义，这些自然奇观都提醒我们塑造我们世界并继续塑造我们世界的强大力量。