Japan Geoscience Union Meeting 2019

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[E] Poster

P (Space and Planetary Sciences ) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM12] Space Weather and Space Climate

Tue. May 28, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

convener:Ryuho Kataoka(National Institute of Polar Research), Antti A Pulkkinen(NASA Goddard Space Flight Center), Kanya Kusano(Institute for Space-Earth Environmental Research, Nagoya University), Kaori Sakaguchi(National Institute of Information and Communications Technology)

[PEM12-P11] Examination of 10Be in travertine sediment as a possible tool to reconstruct past solar activity II

*Hongyang Xu1,2, Hiroko Miyahara2, Kazuho Horiuchi3, Hiroyuki Matsuzaki4, Hailong Sun5, Weijun Luo5, Xiangmin Zheng1, Yusuke Suganuma6,7, Shijie Wang5, Limin Zhou1 (1.East China Normal University, 2.Musashino Art University, 3.Hirosaki University, 4.University of Tokyo, 5.Chinese Academy of Sciences, 6.National Institute of Polar Research, 7.The Graduate University for Advanced Studies (SOKENDAI))

Keywords:Beryllium-10, cosmogenic nuclide, solar activity, endogenic travertine

We have been examining the potential of 10Be in travertine sediment as a tool to reconstruct past solar and cosmic-ray variations. In this paper, we compare the 10Be profile in the travertine layers from the rainy and dry seasons, and discuss the nature of 10Be deposition at the two seasons.