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Comment:
Confirmed.
Description of the upgrade
The model spectral resolution was increased from T213 to TL319 (improved orography, reduced diffusion, but Gaussian grid unchanged). The other modifications introduced on this occasion were:
- A new 2-time level semi-Lagrangian numerical scheme: this made possible the use of a Linear Gaussian Grid reflected by the TL notation already introduced for the EPS configuration in Dec. 1996;
- Use of a new 2'30" orography reference dataset; as a result, some large errors over Antartica have been corrected and spurious noise in other areas suppressed;
- Improved sea-ice limits determination.
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Implemented: 01 April 1998 |
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