Release notes

These UKCA specific notes should be read in conjunction with the general release notes which are avaialable on the collaboration Twiki. These notes cover changes which have a significant impact on UKCA developers and cover these changes in more detail than the standard release notes

UM 8.5

The first of a series of changes to support the transition from the UMUI to Rose were made at this release. At present, most users should continue to use the UMUI at vn8.5 and vn8.6 but vn9.0 will retire the UMUI. The changes discussed below do not have a significant impact on most users but some are important for those developing new code, especially chemistry scheme which have not yet been lodged.

Chemistry namelist changes

1. The namelists no longer contain a separate logical for each chemistry scheme e.g. l_ukca_trop l_
2. All ukca related input logicals are now read in from the run_ukca namelist including l_ukca which was previously in nlstcatm