Japan Geoscience Union Meeting 2021

Presentation information

[E] Poster

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

[P-EM08] Space Weather and Space Climate

Sat. Jun 5, 2021 5:15 PM - 6:30 PM Ch.03

convener:Ryuho Kataoka(National Institute of Polar Research), A Antti 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)

5:15 PM - 6:30 PM

[PEM08-P10] Measurement of cosmogenic 10Be in endogenic travertine deposits at Baishuitai

*Hiroko Miyahara1, Hongyang Xu2, Limin Zhou2, Kazuho Horiuchi3, Hiroyuki Matsuzaki4 (1.College of Art and Design, Musashino Art University, 2.East China Normal University, 3.Hirosaki University, 4.The University Museum, The Univ. of Tokyo)

Keywords:Cosmogenic nuclide, solar activity, cosmic ray variations

Past solar and cosmic ray variations are often reconstructed using the carbon-14 in tree rings and the beryllium-10 in ice cores. Previous studies have suggested that beryllium-10 in travertine deposits may also reflect the temporal variation of cosmic rays and thus can be used to trace the past solar activity variations. In this paper, we report our preliminary results obtained from the measurement of beryllium-10 in annual layers of travertine from Baishutai, China.