Japan Geoscience Union Meeting 2024

Session information

[J] Oral

M (Multidisciplinary and Interdisciplinary) » M-AG Applied Geosciences

[M-AG33] Basic study on the estimation of the "Black Rain" area caused by the atomic bomb

Fri. May 31, 2024 3:30 PM - 4:45 PM 201A (International Conference Hall, Makuhari Messe)

convener:Yasuhito Igarashi(Institute for Integrated Radiation and Nuclear Science, Kyoto University), Satoru Endo(Graduate School of Advanced Science and Engineering, Hiroshima University), Sumi Yokoyama(Nagasaki University), Hirohiko Ishikawa(Institute for Integrated Radiation and Nuclear Science, Kyoto University), Chairperson:Hirohiko Ishikawa(Institute for Integrated Radiation and Nuclear Science, Kyoto University), Akiyo Yatagai(Hirosaki University), TAKAMIYA Koichi(Institute for Integrated Radiation and Nuclear Science, Kyoto University)

The social debate on the extent of the area of deposition of radioactive fallout from the 1945 atomic bombings of Hiroshima and Nagasaki, the so-called "Black Rain" area, has been continuing. In this session, we will present an overview of the research study that has been conducted since January 2021 toward more accurate estimation of the area, as well as the results obtained. This research has been conducted in two main parts: (1) construction and calculation of simulation models, and (2) measurement of radioactive and trace materials, which is mainly soil survey to obtain the validation data.

3:45 PM - 4:00 PM

*Hirohiko Ishikawa1, Kunio Takahashi2, Masayuki Takigawa3, Akiyo Yatagai4, Mio Maeda4, Jin Kawashiro4, Satoru Endo5, Tetsuji Imanaka1, Toshimasa Ohara6, Yasuhito Igarashi1 (1.Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2.AdvanceSoft Corporation, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Science and Technology, 5.HIROSHIMA UNIVERSITY, 6.Center for Environmental Science in Saitama)

4:30 PM - 4:45 PM

*Masayuki Takigawa1, Hirohiko Ishikawa2, Akiyo Yatagai3, Toshimasa Ohara4, Yasuhito Igarashi2 (1.Japan Agency for Marine-Earth Science and Technology, 2.Institute for Integrated Radiation and Nuclear Science, Kyoto University, 3.Graduate School of Science and Technology, Hirosaki University, 4.Center for Environmental Science in Saitama)

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