Improved double Fourier series on a sphere and its application to a semi-implicit semi-Lagrangian shallow-water model
<p>One way to reduce the computational cost of a spectral model using spherical harmonics (SH) is to use double Fourier series (DFS) instead of SH. The transform method using SH usually requires <span class="inline-formula">O(<i>N</i><sup>3</sup>)</sp...
Main Author: | H. Yoshimura |
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Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2022-03-01
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Series: | Geoscientific Model Development |
Online Access: | https://gmd.copernicus.org/articles/15/2561/2022/gmd-15-2561-2022.pdf |
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