The sunspot and auroral activity cycle derived from Korean historical records of the 11th-18th century
The sunspot and auroral activity cycle derived from Korean historical records of the 11th-18th century
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DOI：
10.1007/s11207-005-5199-8
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发表时间：
2004-10-01
期刊：
影响因子：
2.8
通讯作者：
Chen, KY
中科院分区：
文献类型：
--
作者：
Lee, EH;Ahn, YS;Chen, KY
太阳黑子和极光的历史记录是研究太阳活动和地球气候长期变化的宝贵资料。我们收集了朝鲜在11 - 18世纪的历史记录。通过对这些数据的功率谱分析，我们发现了太阳活动周期，它们分别与施瓦贝周期和格雷斯堡周期的短周期和长周期相吻合。
Historical records of sunspots and aurorae are valuable information to examine variations of solar activity and the terrestrial climate on a long-term scale. We have collected the historical records of Korea during the 11th-18th century. Through a power-spectrum analysis of these data, we have found solar activity cycles, which coincide with the Schwabe cycle and the Gleissberg cycle on short and long-term periods, respectively.