关于新生代期间欧洲-北非地区Sirenia消失的简短记录:气候和超新星之间的联系?
Short note on the Sirenia disappearance from the Euro-North African realm during the Cenozoic: a link between climate and Supernovae?
摘要:
Sirenia是一种海洋哺乳动物,在2.7 Ma前殖民于欧洲海岸。它们的生物多样性演化遵循新生代气候演化的规律。然而,一些气候事件,以及这个时代的全球气候趋势仍然难以理解。如果只考虑地球的过程,新生代的气候演变是很难理解的。如果考虑到银河系的环境,其中一些气候事件以及全球气候趋势就更容易理解了。银河系,通过超新星,可能会带来一些答案,为什么新生代气候有这种演变。假设SN可以在长时间尺度上引起地球气候的变化,Sirenia从欧洲的消失将是这一过程的副作用。
英文摘要:
Sirenia are marine mammals that colonized the European shores up to 2.7 Ma. Their biodiversity evolution follows the climate evolution of the Cenozoic. However, several climate events, as well as the global climate trend of this Era are still struggling to be understood. When considering only Earth processes, the climate evolution of the Cenozoic is hard to understand. If the galactic environment is taken into account, some of these climate events, as well as the global climate trend, became more easily understood. The Milky Way, through Supernovae, may bring some answers to why Cenozoic climate had this evolution. With the assumption that SN can induced changes in Earth climate in long time scales, Sirenia disappearance from Europe would be a side effect of this process.
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