極大火山噴發 的英文怎麼說
中文拼音 [jídàhuǒshānpēnfā]
極大火山噴發
英文
extremely large volcanic eruption-
Sugden, a geologist at the university of edinburgh, was trying to date an ancient volcanic eruption in east antarctica when he and his colleague uncovered the old ice
愛丁堡大學地質學家蘇格丹，與他的同事們在南極東部揭開古冰層時，就試圖去測定南極東部某次古代火山噴發的年代。Here is what they now generally expect from an event the scale of those that struck long valley and yellowstone : instead of a slow leak of red - hot lava as is seen creeping down the sides of kilauea volcano in hawaii, these eruptions feature supersonic blasts of superheated, foamlike gas and ash that rise buoyantly all the way into the earth ' s stratosphere, 50 kilometers high
對于造成長谷與黃石公園的那些爆發，或是相同等級的現象，目前他們普遍的看法是：這些爆發不像夏威夷奇勞亞火山緩慢滲出的紅熱巖漿、沿著火山側蜿蜒流出；它們的特色是以超音速的沖擊波，噴出極熱、泡沫般的氣體與火山灰，這些物質極易進入地球大氣的平流層，上升到50公里的高處。
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