CICE Recent Changes

Important changes to the code on the master branch since the last numbered release

Date of last update: 7 Sept 2023

By: T. Craig

Last numbered release: CICE 6.4.1 (Dec 9, 2022)

Important NOTES

Major Changes

Bug fixes

Fix thin ice/snow enthalpy computation in Icepack #857 Changes answers in CICE
Update snow physics implementation in Icepack #852 Changes answers for snow physics
Update l_fixed_area option in horizontal remapping used for C grid simulations. #833. Changes answers for C grid
Fix rare instability in probabilistic seabed stress, should not change answers. #810
Add haloUpdate unit test and fix some errors in the haloUpdate code, Changes answers in tripole cases using serial (no MPI) infrastructure #820
Update VP solver to improve performance and fix bug in workspace_y calculation, Changes answers in VP solver #824
Fix bug in tripoleT global sum calculation, Changes answers in tripoleT configurations #824

Enhancements

Extend restart output controls, provide multiple frequency options #850
Deprecate zsalinity feature #851
Deprecate COREII LYq forcing #841
Add support for JRA55do as new forcing option #843
Add namelist option to specify time axis position in history files #839
Add time_period_freq attribute to history file variables #816
Update filename and time information on CICE initial condition history file #818
Update global reduction implementation to improve performance, expand sumchk unit test #824
Add opticep unit test to test CICE calls to Icepack without optional arguments. Update optargs unit tests #846
Add functionality to set hist_avg for each stream #827
Add method to check namelist inputs more robustly, #801
Update coupling layer, #806, #812, #830, #856, #861
Refactor setmask option to meshnc, #806
Update fsd calls to Icepack, add wlat argument #813
Update Icepack #821, #823, #813, #829, #841, #846, #851, #852, #857
Update port for Cheyenne, Derecho, Chicoma #852, #863
Update Github Actions conda_macos test script to work around broken mpi compiler wrappers #853

Documentation

Update readthedocs to explicitly generate pdf documentation #837
Update links in rst documentation to point to github main instead of master #841
Update documentation #817, #822, #827, #833, #839, #841, #843, #846, #850, #851