[1I08-12] Environmental Dynamics 2

[1I08] Investigation on distribution of radioactive substances in Fukushima

(8) Improvement of the MERCURY model and its application to the Fukushima

*Kazuyuki Sakuma¹, Masahiko Machida¹, Susumu Yamada¹, Hiroshi Kurikami¹ (1. JAEA)

Keywords:discharge model, Fukushima Daiichi accident, GIS, auto-calibration

To estimate radionuclide discharges from the river to the ocean more accurately, we improved the MERCURY model, which can estimate radionuclide discharge developed by JAEA, by incorporating methods of both parameters estimation using GIS data and parameters optimization. In this study, we introduce the examples of applying the model to the Fukushima case.