Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 8, issue 10
Articles | Volume 8, issue 10
https://doi.org/10.5194/gmd-8-3247-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-8-3247-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 8, issue 10
Development and technical paper
 | 
14 Oct 2015
Development and technical paper |  | 14 Oct 2015

A semi-Lagrangian advection scheme for radioactive tracers in the NCEP Regional Spectral Model (RSM)

E.-C. Chang and K. Yoshimura

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Short summary
In this study, the non-iteration dimensional-split semi-Lagrangian (NDSL) advection scheme is applied to the National Centers for Environmental Prediction (NCEP) Regional Spectral Model (RSM) to alleviate the Gibbs phenomenon. The model runs for the Fukushima accident case study suggest that the NDSL can successfully advect radioactive tracers (iodine-131 and cesium-137) without noise from the Gibbs phenomenon.
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