EPISODE · Sep 9, 2025 · 16 MIN
269. 太平洋地区地球冷却之谜
from 知为谁 · host 知为谁
一份研究报告探讨了地球太平洋半球冷却速度远快于非洲半球的原因,该现象在过去四亿年中,太平洋半球的温度比非洲半球低了约50开尔文。这背后的主要机制在于海床地质、大陆保温和数亿年间的板块构造运动的相互作用。报告指出,太平洋半球以薄且暴露于大量冷海水中的大洋岩石圈为主,这促进了快速的传导和对流冷却,尤其是在海底扩张脊。相比之下,非洲半球则拥有较厚的大陆岩石圈,其低导热性起到了保温作用,使得地幔热量得以长时间保留。此外,太平洋半球过去四亿年间更高的板块速度也导致了其更快的散热。内容来源:https://modernengineeringmarvels.com/2025/08/14/why-earths-pacific-side-is-cooling-so-much-faster/
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269. 太平洋地区地球冷却之谜
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