ctsm5.3.080: b4b-dev merge 2025-10-16

[samsrabin]

Description of changes

Merge b4b-dev to master. Includes these PRs:

• resolve issue #103: Example 1.7 typo #3193
• Update of the leaching doc #3518
• Finishing adding RC14_CANAIR history output #3548

Specific notes

Contributors other than yourself, if any: @ekluzek, @linniahawkins, @jinmuluo

CTSM Issues Fixed in included PRs:

• Example 1.7 typo #103
• Change history averaging of RC13_CANAIR and RC14_CANAIR so that zero's aren't averaged in #3490
• Add RC14_CANAIR as optional to history output so that C14 time series data can be verified #3488

Are answers expected to change (and if so in what way)? No

Any User Interface Changes (namelist or namelist defaults changes)? No

Does this create a need to change or add documentation? Did you do so? No

Testing performed, if any:

• aux_clm OK
• Change baseline dir names from ctsm5.3.080_actual to ctsm5.3.080 (waiting on @ekluzek deleting or renaming existing ctsm5.3.080 directories)

[samsrabin]

Unexpected run failure in ERP_D_P64x2_Ld3.f10_f10_mg37.I2000Clm50BgcCru.derecho_intel.clm-flexCN_FUN--clm-matrixcnOn_ignore_warnings:

 ERROR in SparseMatrixMultiplyMod.F90 at line 973
Image              PC                Routine            Line        Source
cesm.exe           00000000048F6FDD  shr_abort_mod_mp_         110  shr_abort_mod.F90
cesm.exe           00000000048F6F6F  shr_abort_mod_mp_          65  shr_abort_mod.F90
cesm.exe           00000000048F7EF2  shr_assert_mod_mp          95  shr_assert_mod.F90.in
cesm.exe           00000000048F82F6  shr_assert_mod_mp         112  shr_assert_mod.F90.in
cesm.exe           00000000035DA40B  sparsematrixmulti         973  SparseMatrixMultiplyMod.F90
cesm.exe           0000000001647AC4  cnsoilmatrixmod_m         660  CNSoilMatrixMod.F90
cesm.exe           0000000003FC5175  cndrivermod_mp_cn        1113  CNDriverMod.F90
cesm.exe           0000000001A94D14  cnvegetationfacad        1127  CNVegetationFacade.F90
cesm.exe           0000000000AB5AB7  clm_driver_mp_clm        1147  clm_driver.F90
libiomp5.so        000014CFE57FDC43  __kmp_invoke_micr     Unknown  Unknown
libiomp5.so        000014CFE578C273  Unknown               Unknown  Unknown
libiomp5.so        000014CFE578ACEE  Unknown               Unknown  Unknown
libiomp5.so        000014CFE57FEDE1  Unknown               Unknown  Unknown
libpthread-2.31.s  000014CFE9B766EA  Unknown               Unknown  Unknown
libc-2.31.so       000014CFE53E9A6F  clone                 Unknown  Unknown
MPICH ERROR [Rank 8] [job id 57a084bc-41da-490c-9e4a-9731820f1d2b] [Thu Oct 16 12:13:17 2025] [dec0420] - Abort(1) (rank 8 in comm 496): application called MPI_Abort(comm=0x84000001, 1) - process 8

forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source
libpthread-2.31.s  000014CFE9B828C0  Unknown               Unknown  Unknown
libmpi_intel.so.1  000014CFE77BF3E1  Unknown               Unknown  Unknown
libmpi_intel.so.1  000014CFE77BF7B8  Unknown               Unknown  Unknown
libmpi_intel.so.1  000014CFE7631CBE  Unknown               Unknown  Unknown
libmpi_intel.so.1  000014CFE60B5E68  MPI_Abort             Unknown  Unknown
libesmf.so         000014CFF1945CD2  abort                     904  ESMCI_VMKernel.C
libesmf.so         000014CFF193FFE3  abort                    3721  ESMCI_VM.C
libesmf.so         000014CFF196BE61  c_esmc_vmabort_          1252  ESMCI_VM_F.C
libesmf.so         000014CFF2BDAA7B  c_esmc_vmabort_.t           0  ESMF_VM.F90
libesmf.so         000014CFF2BD139C  esmf_vmabort             9525  ESMF_VM.F90
libesmf.so         000014CFF27A3DCC  esmf_finalize            1712  ESMF_Init.F90
cesm.exe           00000000048F6F8C  shr_abort_mod_mp_          67  shr_abort_mod.F90
cesm.exe           00000000048F7EF2  shr_assert_mod_mp          95  shr_assert_mod.F90.in
cesm.exe           00000000048F82F6  shr_assert_mod_mp         112  shr_assert_mod.F90.in
cesm.exe           00000000035DA40B  sparsematrixmulti         973  SparseMatrixMultiplyMod.F90
cesm.exe           0000000001647AC4  cnsoilmatrixmod_m         660  CNSoilMatrixMod.F90
cesm.exe           0000000003FC5175  cndrivermod_mp_cn        1113  CNDriverMod.F90
cesm.exe           0000000001A94D14  cnvegetationfacad        1127  CNVegetationFacade.F90
cesm.exe           0000000000AB5AB7  clm_driver_mp_clm        1147  clm_driver.F90

[samsrabin]

Passed on resubmit.