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Periods of Extremely High Rates of the Production of Cosmogenic 14 C and Temperature Variation According to Data on the 40 Ar Content in the Ice Layers for the Last 4000 Years
Geomagnetism and Aeronomy ( IF 0.7 ) Pub Date : 2020-12-21 , DOI: 10.1134/s0016793220070105
V. A. Dergachev , I. V. Kudryavtsev , Yu. A. Nagovitsyn

Abstract

The possible application of temperature reconstructions based on measurement of the 40Ar concentration in ice layers of the Greenland ice sheet to study past solar activity with radiocarbon data is considered. The rate of 14С production and the heliosphere modulation potential from the 2nd millennium B.C. to the middle of the 18th century A.D. is reconstructed with allowance for the Earth’s climate variation. The temperature reconstruction based on the 40Ar content in the annual ice layers of Greenland revealed two global minima of solar activity with duration of ~200 years during the cold Sub-Atlantic period, which lasted on the Earth from 900 B.C. to 300 B.C. This suggests that solar-activity variation can influence climate change.



中文翻译:

根据过去4000年冰层中40 Ar含量的数据,宇宙成因14 C的极高生产率产生时期和温度变化

摘要

考虑了基于测量格陵兰冰原冰层中40 Ar浓度的温度重建方法的可能应用,以利用放射性碳数据研究过去的太阳活动。重建了公元前2千年至公元18世纪中叶的14С产油率和球调节潜力,并考虑了地球的气候变化。基于格陵兰岛年冰层中40 Ar含量的温度重建揭示了在大西洋次冷期持续约200年的两个全球太阳活动最小值,持续时间从公元前900年到公元前300年。太阳活动的变化会影响气候变化。

更新日期:2020-12-22
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