In:
Nuclear Science and Technology, Vietnam Atomic Energy Institute, Vol. 10, No. 3 ( 2020-09-15), p. 01-12
Kurzfassung:
This study investigates short-range atmospheric transport of radiocesium (137Cs) after Fukushima nuclear accident using the Weather Research and Forecasting (WRF) model and the Lagrangian particle dispersion FLEXPART-WRF model. The most up-to-date ERA5 reanalysis dataset is used as initial and boundary condition for the WRF model for every hour. Four experiments were carried out to examine the sensitivity of simulation results to micro-physics parameterizations in the WRF model with two configured domains of 5 km and 1 km horizontal resolution. Compared with observation at Futaba and Naraha station, all experiments reproduce reasonably the variation of 137Cs concentration from 11/03 to 26/03/2011. Statistical verification as shown in Taylor diagrams highlights noticeable sensitivity of simulation results to different micro-physics choices. Three configurations of the WRF model are also recommended for further study based on their better performance among all.
Materialart:
Online-Ressource
ISSN:
1810-5408
DOI:
10.53747/jnst.v10i3.3
Sprache:
Unbekannt
Verlag:
Vietnam Atomic Energy Institute
Publikationsdatum:
2020