Cosmogenic 10Be in endogenic travertine deposits at Baishuitai, China: A pilot study

Hiroko Miyahara; Wataru Sakashita; Kazuho Horiuchi; Limin Zhou; Xu Hongyang; Hiroyuki Matsuzaki

Presentation information

[EE] Poster

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

[P-EM12] [EE] Space Weather, Space Climate, VarSITI

Tue. May 23, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

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), Kazuo Shiokawa(Institute for Space-Earth Environmental Research, Nagoya University)

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[PEM12-P19] Cosmogenic 10Be in endogenic travertine deposits at Baishuitai, China: A pilot study

*Hiroko Miyahara¹, Wataru Sakashita¹, Kazuho Horiuchi², Limin Zhou³, Xu Hongyang³, Hiroyuki Matsuzaki⁴ (1.Musashino Art University, 2.Hirosaki Univ., 3.East China Normal Univ., 4.The Univ. of Tokyo)

Keywords:Cosmogenic nuclide, Solar cycle, Travertine deposit

We report on the preliminary experiment for measurement of beryllium-10 in travertine samples from Baisuitai, China. Beryllium-10 is one of the cosmic-ray induced isotopes and thus can be used as a proxy for the flux of galactic cosmic rays incident on the Earth. For example, the content of beryllium-10 in ice cores from polar region is often used for examining the past cosmic ray flux and solar variations. However, the data from ice cores is often accompanied by dating uncertainty. In this study, we seek for the possibility to use travertine which has recognizable annual layers.