火山喷气孔是指因火山作用而产生的通道。常分布在火山锥和火山口附近。火山喷气孔会喷发蒸气及各种气体,如二氧化硫、盐酸和硫化氢,其中喷发硫化物质的,则被称为硫气孔。
科学家们观测到了新的火山喷气孔,而且几个间歇喷泉增强了活性并提高了水温。
New fumaroles were observed, and several geysers showed enhanced activity and increasing water temperatures.
腾冲不但是现代火山活动区,也是地热异常区,这里温泉、热泉及喷气孔到处可见。
Tengchong is a famous active area of the modern volcano, where the hydrothermal activity is very violent.
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