Merge E3SM `master` into Omega `develop` - #521

Merged

sbrus89 merged 125 commits into

Aug 25, 2026

Commits on May 20, 2026

Add v3.2 configurations to testing suites
jonbob
committed
f818ba1

Commits on May 27, 2026

eam: fix CO2 duplication with cflx_cpl_opt==2 (GH #8201)
BunnyVon
committed
c6baec9
change cflx_cpl_opt default back to 2 after cflx splitting to resolve #8201
BunnyVon
committed
7a0c33b
run script: set per-machine debug queue walltime limits
BunnyVon
committed
9d5e7c2

Commits on Jun 6, 2026

resolve co2 mass conservation
BunnyVon
committed
9dbb7c7

Commits on Jun 10, 2026

feat(eamxx): register water tracer and isotope processes
rfiorella
committed
a79d77e

Commits on Jun 19, 2026

cleanup comments
rfiorella
committed
3c9d221

Commits on Jul 4, 2026

EAM: abort simulation if hybi(1) is non-zero
huiwanpnnl
committed
2198d4a
EAM: initialize radiative fluxes and heating rates with zero
huiwanpnnl
committed
3b68fc6
skip tropopause search in low-top simulations (#9)
huiwanpnnl
committed
4726ea9

Commits on Jul 5, 2026

Add gcam developer suite and guard cflx for empty tracers
BunnyVon
committed
5896ddb

Commits on Jul 8, 2026

Restructure water tracers/isotopes into separate libraries
rfiorella
committed
5a4ef23

Commits on Jul 9, 2026

Merge branch 'master' into rfiorella/eamxx/water-isotope-infra-001-register-processes
rfiorella
authored
e43fde4

Commits on Jul 14, 2026

Default debug walltime in GCAM run script
Copilot
authored
a00d7bc
Restore CLUBB/SHOC gate for cflx_cpl_opt==2
Copilot
authored
655dd04

Commits on Jul 16, 2026

Rename aux_tracers to specialized_tracers
rfiorella
committed
367e4a7

Commits on Jul 18, 2026

Use GEN_F90=true for intel-cray to avoid ifx fpp macro bug

xylar
and
claude
committed
ac23709

Commits on Jul 23, 2026

Add ELM-side t_ref2m coupling and degree-days namelist for IAC
evasinha-pnnl
committed
6667606
Transfer landfrac from EHC and HDM from ELM to GCAM
evasinha-pnnl
committed
d68dbd1
Replace t_ref2m with sub-daily HDD/CDD accumulators in ELM→IAC coupling
evasinha-pnnl
committed
8eb6e33
Fixing double accumulation of HDD and CDD
evasinha-pnnl
committed
c56ee7e
Modification to add namelist for controlling
evasinha-pnnl
committed
372397a
Scaling HDD/CDD values based on historical baseline
evasinha-pnnl
committed
6c395b3
Adds GCAM to ELM degdays mapping file
evasinha-pnnl
committed
bc6360b

Commits on Jul 24, 2026

Fix a layout bug in the photo tables. Fortran uses a left-aligned layout.
odiazib
committed
dc61ceb

Commits on Jul 27, 2026

Add _Vmct suffix to e3sm_gcam_developer tests
BunnyVon
committed
90e800b

Commits on Jul 30, 2026

Change ocean fraction initialization to ones_like
whannah1
authored
b10a100
unit test for photo table.
odiazib
committed
2da08ac
Merge branch 'whannah/fix-domain-tool' (PR #8590)
rljacob
authored
8f17ced
Fixing a few bugs in unit test.
odiazib
committed
babbc79
Specify Vmct for new waves tests, since WW3 does not yet work with moab
jonbob
committed
e884153
Merge branch 'master' into jonbob/testing/add-v32-tests
jonbob
authored
5a5e400
add moab
odiazib
committed
4985057
add moab and hdf5.
odiazib
committed
d95136e

Commits on Jul 31, 2026

EAMxx: timestamp handling in setup_file for average/min/max output types
mahf708
committed
9b93458
Add unit tests for monthly storage with AVERAGE/MIN/MAX averaging types
Copilot
authored
a686e01
Adds missing namelist item read_hdd_cdd
evasinha-pnnl
committed
8fffbdc
EAMxx: remove unneeded comments by copilot
mahf708
authored
2f1cd52
Merge branch 'mahf708/eamxx/fix-organized-storage-specifier' (PR #8592)
bartgol
authored
3302398
EAMxx: fix racy multi-rank writes to shared HOMME log file

mt5555
and
Copilot
committed
6b8d505

Commits on Aug 3, 2026

Update C++ tensorVisc after dss_hvtensor runs

mt5555
and
Copilot
committed
9cda8e9
Merge branch 'odiazib/eamxx/moab_flight' into master (PR #8591)
jgfouca
committed
c99a8f0
update mam4xx.
odiazib
committed
328ef3b
add missing ZM temperature tendency
whannah1
committed
e6fd0e0
Remove unused deprecated py import in ww3 buildlib_cmake
jgfouca
committed
367dbf9
initial port to vista
ndkeen
committed
05ccee4
Merge branch 'jgfouca/update_ww3_buildib' into master (PR #8603)
jgfouca
committed
493e32b

Commits on Aug 4, 2026

Commits on Aug 5, 2026

Modified run-script, baseline file names, & giac pointer
evasinha-pnnl
committed
6a247a3
Merge branch E3SM-Project/ndk/machinefiles/add-machine-vista (PR #8604)
ndkeen
authored
d4092a3
Remove CXX standarded being set in EAMxx
tcclevenger
committed
9dc1ddb
Remove references to C++17 from machine files in homme/cmake and cime_config
tcclevenger
committed
5df1be2
Remove default cxx standard from buildlib.ekat
tcclevenger
committed
120def3
Only set cxx standard in homme machine files
tcclevenger
committed
3978fad
Add missing EXCLUDE_MAIN_CPP from p3 test
tcclevenger
committed
705c5b7

Commits on Aug 6, 2026

Add missing EXCLUDE_MAIN_CPP from p3 test
tcclevenger
committed
8942cc4
Merge branch 'tcclevenger/fix_p3_test_fail' (PR #8611)
tcclevenger
authored
23311b9
Add 3D calculation of shear production of turbulence to EAMxx

Peter Bogenschutz
authored and
tcclevenger
committed
4f9b99b
Temporarily disable call to new shear property tests.

Peter Bogenschutz
authored and
tcclevenger
committed
825a237
Merge branch 'tcclevenger/update_to_cpp20' (PR #8559)
tcclevenger
authored
66395db
Merge branch 'jonbob/grids/add-ww3-layouts' (PR #8609)
jonbob
committed
33c69be
Merge branch 'odiazib/eamxx/photo-table-fix' (PR #8579)
jeff-cohere
committed
a6f5184

Commits on Aug 7, 2026

Fix ZM restart tests
whannah1
authored
de49918
Merge branch 'master-tensorvisc-fix' (PR #8597)
tcclevenger
authored
538e092

Commits on Aug 9, 2026

Merge branch 'master' into bogensch/eamxx/turb_3d_shear_production
bogensch
authored
49f1ce7

Commits on Aug 10, 2026

Update ocean fraction calculation using mask
whannah1
authored
28849b6

Commits on Aug 11, 2026

Merge branch 'sfeng/eam/master_cflx_cpl_opt' (PR #8556)
wlin7
committed
c9254a6
Merge branch 'evasinha/lnd/degree_days' (PR #8584)
bishtgautam
committed
5b6018b
Merge branch 'whannah/fix-domain-tool-again' (PR #8621)
tcclevenger
authored
23b2ddf

Commits on Aug 12, 2026

Commits on Aug 13, 2026

Merge branch 'rfiorella/eamxx/water-isotope-infra-001-register-processes' (PR #8505)
bartgol
authored
5cd504d
Merge branch 'odiazib/eamxx/update-mam4xx' (PR #8620)
jeff-cohere
committed
a899004
EAMxx: Using DataInterpolation class for surface emissions.
odiazib
committed
b0a6c47
Updating nc files.
odiazib
committed
1ef9351
Remove interpolated fields from the field manager.
odiazib
committed
a347cc4
Simplifying the code through field operations.
odiazib
committed
d1f57f7
Removing unnecessary work view.
odiazib
committed
ebcbf04

Commits on Aug 14, 2026

Changing the CACHE type for MAM4XX_PRECISION from BOOL to STRING.
jeff-cohere
committed
f3ec020
Add IOP create_horiz_remappers support to the DataInterpolation class to avoid duplicating the logic in multiple places.
odiazib
committed
5931df2
Removing duplicate code.
odiazib
committed
b18f962
Changes the error check because the field may include data for ghost elements
bishtgautam
committed
3f9661a
Initialize only the locally owned cells
bishtgautam
committed
c6c690d
Adds code to do MOAB-based halo exchange
bishtgautam
committed
a74c304
Adds code to initialize naturally vegetated ghost columns
bishtgautam
committed
95993dd
Perform halo exhcnage for soil properties
bishtgautam
committed
c94c8e6
Initialize ghost grid cells
bishtgautam
committed
06883da
Modifies computation of beg/end indices for ghost subgrid units
bishtgautam
committed
0c60672
Adds column-to-column connections when using MOAB
bishtgautam
committed
19fcbe5
elm: Improve MOAB halo exchange in SoilStateType and domainLateralMod
bishtgautam
committed
0b8b78d
Address review comments
bishtgautam
committed
c515548

Commits on Aug 16, 2026

tensor laplace option
mt5555
committed
6d4d45a
also DSS and linearlize the new tensorVisc_2
mt5555
committed
70e0faa
port tensor Laplace operator to EAMxx (via claude)
mt5555
committed
df8b97f
fix(eamxx): expose laplace_scaling in ctl_nl namelist for EAMxx

mt5555
and
Copilot
committed
3559f8a
add ability to set new laplace_scalings in EAM
mt5555
committed
b889d04
Pass tensorVisc_2 through preqx_kokkos interop

mt5555
and
Copilot
committed
5f7d955
fix(homme): repair unit test SIGSEGVs in dirk_ut and gllfvremap_ut

mt5555
and
Copilot
committed
4ab9e4e

Commits on Aug 17, 2026

Merge branch 'whannah/eamxx/fix-ZM-restart' (PR #8616)
tcclevenger
authored
fe750f5
fix(homme): init nu_scale_top_ilev_pack_lim for tom_sponge_start>0

mt5555
and
Copilot
committed
0f13102
Removing the create_horiz_remappers(const Real iop_lat, const Real iop_lon) method
odiazib
committed
e0b3773
add the capability in SPC to read a list of gas species
mingxuanwupnnl
committed
e6565ef
EAMxx: set compiler flags before parsing EKAT
bartgol
committed
cab1aab

Commits on Aug 18, 2026

Commits on Aug 19, 2026

Commits on Aug 20, 2026

Commits on Aug 21, 2026

Commits on Aug 24, 2026

Merge branch 'odiazib/eamxx/surface_emission_data_inter' (PR #8430)
jeff-cohere
committed
d403f4a