{"title":"Characteristics of temporal variability of long-duration bursts of high-energy radiation associated with thunderclouds on the Tibetan plateau","authors":"Harufumi Tsuchiya, Kinya Hibino, Kazumasa Kawata, Munehiro Ohnishi, Masato Takita, Kazuoki Munakata, Chihiro Kato, Susumu Shimoda, Quanqi Shi, Shuo Wang, Chenyao Han, Liuming Zhai","doi":"10.1186/s40645-024-00625-y","DOIUrl":null,"url":null,"abstract":"<p>From 1998 to 2017, neutron monitors located at an altitude of 4300 m on the Tibetan plateau detected 127 long-duration bursts of high-energy radiation in association with thunderclouds. These bursts typically lasted for 10–40 min, and 89% of them occurred between 10:00 and 24:00 local time. They were also found to be more likely to occur at night, especially during 18:00–06:00 local time period. The observed diurnal and seasonal variations in burst frequency were consistent with the frequencies of lightning and precipitation on the Tibetan plateau. Based on 19 years of data, the present study suggests that an annual variation in burst frequency has a periodicity of <span>\\(\\sim\\)</span> 16 years and a lag of <span>\\(\\sim\\)</span> 3 years relative to solar activity.</p>","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"23 1","pages":""},"PeriodicalIF":3.5000,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress in Earth and Planetary Science","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1186/s40645-024-00625-y","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"GEOSCIENCES, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
From 1998 to 2017, neutron monitors located at an altitude of 4300 m on the Tibetan plateau detected 127 long-duration bursts of high-energy radiation in association with thunderclouds. These bursts typically lasted for 10–40 min, and 89% of them occurred between 10:00 and 24:00 local time. They were also found to be more likely to occur at night, especially during 18:00–06:00 local time period. The observed diurnal and seasonal variations in burst frequency were consistent with the frequencies of lightning and precipitation on the Tibetan plateau. Based on 19 years of data, the present study suggests that an annual variation in burst frequency has a periodicity of \(\sim\) 16 years and a lag of \(\sim\) 3 years relative to solar activity.
期刊介绍：
Progress in Earth and Planetary Science (PEPS), a peer-reviewed open access e-journal, was launched by the Japan Geoscience Union (JpGU) in 2014. This international journal is devoted to high-quality original articles, reviews and papers with full data attached in the research fields of space and planetary sciences, atmospheric and hydrospheric sciences, human geosciences, solid earth sciences, and biogeosciences. PEPS promotes excellent review articles and welcomes articles with electronic attachments including videos, animations, and large original data files. PEPS also encourages papers with full data attached: papers with full data attached are scientific articles that preserve the full detailed raw research data and metadata which were gathered in their preparation and make these data freely available to the research community for further analysis.
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