Relationship Among a Supernova, a Transition of Polarity of the Geomagnetic Field and the Pliocene-Pleistocene Boundary

Relationship Among a Supernova, a Transition of Polarity of the Geomagnetic Field and the Pliocene-Pleistocene Boundary
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超新星、地磁场极性转变和上新世-更新世边界之间的关系

DOI:
10.1007/978-3-030-22621-3_1
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发表时间:
2019
期刊:
Advances in Geomorphology and Quaternary Studies in Argentina
影响因子:
--
通讯作者:
S. Plastani
S. Plastani
中科院分区:
--
文献类型:
--
作者:
R. Compagnucci;M. Orgeira;A. M. Sinito;L. Cappellotto;S. Plastani

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中中新世之后,发生了两次重要的气候变化,主要是两个半球的变冷。一次发生在 7.0 到 5.4 Ma 之间,另一次发生在上新世末期,这标志着更新世在大约 2.58 Ma 的开始。本演讲的建议是分析这些气候变化的不同强迫,例如地磁场反转和超新星爆炸共同发生的影响。这些事件的发生与地球变冷同时发生。此外,还分析了这些时间间隔内的生物变化,特别是自最古老的古人类化石以来古人类的进化。考虑了银河宇宙线的特征、其对气候的影响及其潜在的诱变效应。
After the Middle Miocene, two important climatic changes took place, consisting mainly of cooling in both hemispheres. One occurred between 7.0 and 5.4 Ma and another at the end of the Pliocene, which marked the beginning of the Pleistocene in approximately 2.58 Ma. The proposal of this presentation is to analyze diverse forcings of these climatic changes, such as the influence of the joint occurrence of reversions of the geomagnetic field and explosions of a supernova. These events occurred coincidentally with the cooling of Earth. Also, biological changes in those time intervals are analyzed, especially the evolution of the Hominins since the oldest hominin fossils. The characteristics of the Galactic Cosmic Rays, its influence on the climate and its potential mutogenetic effect were taken into account.
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