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7万年前的Toba火山喷发并未导致全球变冷和人类灭亡(图)
7万年前 Toba火山喷发 全球变冷 人类灭亡
2020/9/21
2020年8月28日国际期刊《国际第四纪》(Quaternary International)在线发表了中国科学院古脊椎动物与古人类研究所葛勇与高星关于现代人起源方面的研究工作(Understanding the overestimated impact of the Toba volcanic super-eruption on global environments and ancient h...
New study documents aftermath of a supereruption,and expands size of Toba magma system
documents aftermath supereruption Toba magma system
2017/7/20
The rare but spectacular eruptions of supervolcanoes can cause massive destruction and affect climate patterns on a global scale for decades – and a new study has found that these sites also may exper...
Preliminary Demographic Analysis of a Toba Population in Transition in Northern Argentina
Toba Gran Chaco Formosa Argentina acculturation resproductive histories birth rate fertility rate crude death rate rate of population growth
2016/3/18
The Toba represent one of the many indigenous groups inhabiting the Gran Chaco of South America. They currently live in communities with different degrees of acculturation. We present here a prelimina...
北半球72 ka BP气候突变事件及其与Toba火山的关系
72 ka事件 成因机制 Toba火山 响应关系
2012/7/23
72 ka BP左右的强降温事件是末次冰期最大的气候突变事件,且同时期发生了第四纪以来最强的火山喷发——Toba火山喷发,后者在此次强降温事件中扮演着什么角色一直是古气候学界研究的热点。对此进行深入的研究,有助于全面评价火山喷发的环境效应,进一步完善末次冰期突变事件的成因机制。系统回顾深海岩芯、极地冰芯、洞穴石笋、黄土、湖泊等古气候载体的研究成果,这些记录对72 ka BP左右的强降温事件和/或T...