{"title":"Mediaeval Korean aurora and flood records and solar activity cycle of ∼200 yr","authors":"Kim Jik Su , Kim Chol Jun , Kim Jong Myong","doi":"10.1016/j.jastp.2024.106373","DOIUrl":null,"url":null,"abstract":"<div><div>Previous investigation of mediaeval Korean naked-eye sunspot observations has shown the existence of the solar activity cycle of ∼200yr. We examined other mediaeval Korean records of auroral phenomena and floods, and reconfirm the long-term periodicity of ∼200yr. This finding, together with the result of naked-eye sunspot records investigation allows us to confirm again the evidence of the long-term cycle ∼200yr in solar activity.</div></div>","PeriodicalId":15096,"journal":{"name":"Journal of Atmospheric and Solar-Terrestrial Physics","volume":"265 ","pages":"Article 106373"},"PeriodicalIF":1.8000,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Atmospheric and Solar-Terrestrial Physics","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1364682624002013","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"GEOCHEMISTRY & GEOPHYSICS","Score":null,"Total":0}
引用次数: 0
Abstract
Previous investigation of mediaeval Korean naked-eye sunspot observations has shown the existence of the solar activity cycle of ∼200yr. We examined other mediaeval Korean records of auroral phenomena and floods, and reconfirm the long-term periodicity of ∼200yr. This finding, together with the result of naked-eye sunspot records investigation allows us to confirm again the evidence of the long-term cycle ∼200yr in solar activity.
期刊介绍：
The Journal of Atmospheric and Solar-Terrestrial Physics (JASTP) is an international journal concerned with the inter-disciplinary science of the Earth''s atmospheric and space environment, especially the highly varied and highly variable physical phenomena that occur in this natural laboratory and the processes that couple them.
The journal covers the physical processes operating in the troposphere, stratosphere, mesosphere, thermosphere, ionosphere, magnetosphere, the Sun, interplanetary medium, and heliosphere. Phenomena occurring in other "spheres", solar influences on climate, and supporting laboratory measurements are also considered. The journal deals especially with the coupling between the different regions.
Solar flares, coronal mass ejections, and other energetic events on the Sun create interesting and important perturbations in the near-Earth space environment. The physics of such "space weather" is central to the Journal of Atmospheric and Solar-Terrestrial Physics and the journal welcomes papers that lead in the direction of a predictive understanding of the coupled system. Regarding the upper atmosphere, the subjects of aeronomy, geomagnetism and geoelectricity, auroral phenomena, radio wave propagation, and plasma instabilities, are examples within the broad field of solar-terrestrial physics which emphasise the energy exchange between the solar wind, the magnetospheric and ionospheric plasmas, and the neutral gas. In the lower atmosphere, topics covered range from mesoscale to global scale dynamics, to atmospheric electricity, lightning and its effects, and to anthropogenic changes.
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