1PCT CO2 simulation error (CESM2.1.4)

[Jie Hsu]

Hi,

I used CESM2.1.4 to run the 1% CO₂ experiment. The component settings are as follows:

1850_CAM60%1PCT_CLM50%BGC-CROP-CMIP6DECK_CICE%CMIP6_POP2%ECO%ABIO-DIC_MOSART_CISM2%NOEVOLVE_WW3_BGC%BDRD

This corresponds to the B1850 1% CO₂ increase experiment. However, the simulation produced the following error message:

(seq_diag_print_mct) NET AREA BUDGET (m2/m2): period = monthly: date = 1380501
atm lnd ocn ice nh ice sh *SUM
area -1.00000000 0.29297658 0.68284271 0.02080037 0.00338151 0.00000118
(seq_diag_print_mct) NET HEAT BUDGET (W/m2): period = monthly: date = 1380501 0
atm lnd rof ocn ice nh ice sh glc *SUM*
hfreeze 0.00000000 0.00000000 0.00000000 0.04282596 -0.00661317 -0.03621279 0.00000000 0.00000000
hmelt 0.00000000 0.00000000 0.00000000 -0.20675033 0.16767118 0.03920191 0.00000000 0.00012276
hnetsw -169.05560154 47.08099894 0.00000000 121.39279780 0.57178135 0.00911927 0.00000000 -0.00090419
hlwdn -369.93659233 98.06962178 0.00000000 266.27258415 4.84923072 0.74192749 0.00000000 -0.00322819
hlwup 422.16372391 -118.74694869 0.00000000 -296.92911796 -5.61700294 -0.87105554 0.00000000 -0.00040123
hlatvap 87.80848955 -10.99686987 0.00000000 -76.75338373 -0.03437660 -0.02412048 0.00000000 -0.00026112
hlatfus 0.70414736 -0.28343646 0.00000000 -0.36109649 -0.04002489 -0.01952687 0.00000000 0.00006265
hiroff 0.00000000 0.11439431 0.00000000 -0.11415950 0.00000000 0.00000000 0.00000000 0.00023482
hsen 22.80925415 -13.41954605 0.00000000 -9.37887255 0.03193441 -0.04336388 0.00000000 -0.00059392
*SUM* -5.50657890 1.81821396 0.00000000 3.96482736 -0.07739995 -0.20403089 0.00000000 -0.00496843
(seq_diag_print_mct) NET WATER BUDGET (kg/m2s*1e6): period = monthly: date = 1380501 0
atm lnd rof ocn ice nh ice sh glc *SUM*
wfreeze 0.00000000 0.00000000 0.00000000 -0.11354286 0.01753325 0.09600961 0.00000000 -0.00000000
wmelt 0.00000000 0.00000000 0.00000000 -0.73110552 0.16339869 0.56740929 0.00000000 -0.00029753
wrain -32.74716288 6.65952213 0.00000000 26.03329419 0.04803761 0.00703303 0.00000000 0.00072410
wsnow -2.11012094 0.84937506 0.00000000 1.08209918 0.11994274 0.05851623 0.00000000 -0.00018774
wevap 35.09935410 -4.38978820 0.00000000 -30.68907786 -0.01214153 -0.00845092 0.00000000 -0.00010441
weqsaltf 0.00000000 0.00000000 0.00000000 0.10048902 -0.03226636 -0.06819572 0.00000000 0.00002694
wrunoff 0.00000000 -3.93891009 0.21825271 3.72194013 0.00000000 0.00000000 0.00000000 0.00128275
wfrzrof 0.00000000 -0.34280585 0.00000000 0.34210217 0.00000000 0.00000000 0.00000000 -0.00070368
*SUM* 0.24207029 -1.16260695 0.21825271 -0.25380154 0.30450441 0.65232152 0.00000000 0.00074044
tStamp_write: model date = 01380501 0 wall clock = 2025-08-30 02:27:42 avg dt = 36.52 dt = 49.53
memory_write: model date = 01380501 0 memory = -0.00 MB (highwater) 2634.67 MB (usage) (pe= 0 comps= cpl ATM LND ICE OCN GLC WAV ESP)
tStamp_write: model date = 01380502 0 wall clock = 2025-08-30 02:28:18 avg dt = 36.52 dt = 36.20
memory_write: model date = 01380502 0 memory = -0.00 MB (highwater) 2634.67 MB (usage) (pe= 0 comps= cpl ATM LND ICE OCN GLC WAV ESP)
tStamp_write: model date = 01380503 0 wall clock = 2025-08-30 02:28:56 avg dt = 36.52 dt = 37.70


I have also attached the cpl.log file and the run script for your reference.

Thank you for your help.

 

[slevis]

@Jie Hsu
I don't think I see an error in what you shared here, so I see two options:
1) Maybe the error appears in a different log file
2) Maybe the simulation stopped without an error, such as from running out of wallclock time or from some unknown system glitch or similar.

If you have restart files from partway through the simulation, you can use them to restart and see if the simulation stops again or continues past this point.