Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.
随着永久冻土带消溶和分崩离,
斯特现象大
出现,埋藏于
(甲烷等)温室气体可能散发到大气中。
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Set deep into the surrounding rainforest and karst cliffs, the caves are record-breakers in several ways Kayaking, mountain biking, and taking a walk in the 500-meter-long canopy skywalk are also popular park activities.
这些洞穴深入周围的雨林和喀斯特悬崖,在很多方都打破了纪录。皮划艇、山地自行车和在 500 米长的树冠空中步道上散步也
受欢迎的公园活动。