育才学习网1.火山湖的英文简介
A crater lake is a lake that forms in a volcanic crater or caldera, such as a maar; less commonly and with lower association to the term a lake may form in an impact crater caused by a meteorite. Sometimes lakes which form inside calderas are called caldera lakes, but often this distinction is not made. Crater lakes covering active (fumarolic) volcanic vents are sometimes known as volcanic lakes, and the water within them is often acidic, saturated with volcanic gases, and cloudy with a strong greenish color. Lakes located in dormant or extinct volcanoes tend to have fresh water, and the water clarity in such lakes can be exceptional due to the lack of inflowing streams and sediment.
A well-known crater lake, which bears the same name as the geological feature, is Crater Lake in Oregon, USA. It is located in the caldera of Mount Mazama, hence the name "Crater Lake" is something of a misnomer. It is the deepest lake in the United States with a depth of 594 m (1,949 ft). Crater Lake is fed solely by falling rain and snow, with no inflow or outflow at the surface, and hence is one of the clearest lakes in the world.[1]
The highest volcano in the world, 6,893 metres (22,615 ft) Ojos del Salado, has a permanent crater lake about 100 metres (300 ft) in diameter at an elevation of 6,390 m (20,960 ft) on its eastern side.[2] This is most likely the highest lake of any kind in the world.
Due to their unstable environment, some crater lakes exist only intermittently. Caldera lakes in contrast can be quite large and long-lasting; for instance, Lake Toba formed after its eruption around 70,000 years ago and has an area of over 1,000 square kilometres.
2.火山的英语单词怎么说
“火山”的英语单词是：volcano【vɒl'keɪnəʊ】
短语：
1、dance on a volcano 在火山上跳舞；大难将至犹自作乐
2、extinct volcano 死火山；精力衰退的人；丧失活力的人
3、sit on a volcano 置身于火山口上，处境危险
例句：
1、Lava boiled up from the crater of the volcano.
熔岩从火山口喷出。
2、Ash and cinders blazed down from the erupting volcano.
炽热的火山灰和火山渣从爆发的火山纷纷喷发落下。
3、That night, I watched him rappel into the area near a molten volcano on the island of Hawaii.
那天晚上，我看着他顺着绳索下到夏威夷岛上一个熔化的火山附近地区。
4、Until a decade ago, most scientists thought that only a volcano could do so.
直到十年前，大多数科学家认为只有火山才有这样的能量。
5、Balloon, baseball, basketball, football and volleyball all dance ballet on the volcano.
气球、棒球、篮球、足球和排球都在火山上跳芭蕾舞。
3.火山湖的英文简介
A crater lake is a lake that forms in a volcanic crater or caldera, such as a maar; less commonly and with lower association to the term a lake may form in an impact crater caused by a meteorite. Sometimes lakes which form inside calderas are called caldera lakes, but often this distinction is not made. Crater lakes covering active (fumarolic) volcanic vents are sometimes known as volcanic lakes, and the water within them is often acidic, saturated with volcanic gases, and cloudy with a strong greenish color. Lakes located in dormant or extinct volcanoes tend to have fresh water, and the water clarity in such lakes can be exceptional due to the lack of inflowing streams and sediment.A well-known crater lake, which bears the same name as the geological feature, is Crater Lake in Oregon, USA. It is located in the caldera of Mount Mazama, hence the name "Crater Lake" is something of a misnomer. It is the deepest lake in the United States with a depth of 594 m (1,949 ft). Crater Lake is fed solely by falling rain and snow, with no inflow or outflow at the surface, and hence is one of the clearest lakes in the world.[1]The highest volcano in the world, 6,893 metres (22,615 ft) Ojos del Salado, has a permanent crater lake about 100 metres (300 ft) in diameter at an elevation of 6,390 m (20,960 ft) on its eastern side.[2] This is most likely the highest lake of any kind in the world.Due to their unstable environment, some crater lakes exist only intermittently. Caldera lakes in contrast can be quite large and long-lasting; for instance, Lake Toba formed after its eruption around 70,000 years ago and has an area of over 1,000 square kilometres.。
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