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Reconstruction of Heliospheric Modulation Potential Based on Data on the Content of the Cosmogenic Isotope 10Be in Greenland Ice and the Extremes of Solar Activity from the End of the 14th Century

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Abstract

The heliospheric modulation potential was reconstructed based on data from the North Greenland Ice Core Project (NGRIP) on the content of the cosmogenic isotope 10Be in the Greenland ice from the end of the 14th century CE. This time interval includes global solar-activity minima, such as the Spörer (≈1460–1550 CE), Maunder (≈1645–1715 CE), and Dalton (≈1790–1830 CE) minima. The reconstruction results show that, although the duration of the Dalton minimum is small, the depth of the Maunder minimum could be comparable to the depth of the Dalton minimum. The Spörer minimum may be less deep than the Maunder minimum.

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Kudryavtsev, I.V. Reconstruction of Heliospheric Modulation Potential Based on Data on the Content of the Cosmogenic Isotope 10Be in Greenland Ice and the Extremes of Solar Activity from the End of the 14th Century. Geomagn. Aeron. 60, 1028–1031 (2020). https://doi.org/10.1134/S0016793220080125

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