[8a-Z25-1~12] 【CS.1】 Code-sharing Session of 2.4 & 7.5

[8a-Z25-12] Study on iodine isotopy system on the earth surface

〇Hiroyuki Matsuzaki¹ (1.MALT, Univ. Tokyo)

Keywords:iodine-129, Accelerator Mass Spectrometry, iodine dynamics

The sources of iodine-129 are the cosmic-ray interaction and the Uranium fission. The author presented in the lecture last year that the equilibrium isotopic ratio 129/127I could be possible to be 2.0E-13 in the ocean and 1.5E-12 in the crust simultaneously by dynamics simulation of iodine. This time the author improve the precision of the model and will examine in more details.