Description of the upgrade
This new version includes:
- new parametrization schemes for the land surface, lying snow and sea-ice;
- new (RRTM) long wave radiation scheme;
- improved ozone model;
- use more TOVS/ATOVS data (HIRS-12, AMSU-14; less constraint on AMSU-8; more off-nadir data)
- revised snow analysis;
- revised observation and background error variances;
- use of buoys platform heights;
- digital filter for gravity wave constraint.
Resolution
Unchanged