[MITgcm-support] very warm climates and aim_v23

[Alexandre Pohl]

Hi all,

I am using the coupled model with aim_v23 to simulate the warm climate of the Cretaceous. Under high atmospheric forcing levels, the model systematically stops with the following error message:
(PID.TID 0021.0001) *** ERROR *** AIM_DYN2AIM: Temp= 9.8192364560861E+01 out of range  100 400
(PID.TID 0021.0001) *** ERROR *** AIM_DYN2AIM: Pb in i,j,k,bi,bj,myThid,I2,X,Y=   1  30   5  1  1  1   233 -169.687   -0.930
i.e., temperature drops below the minimum temperature defined for the LW radiation scheme of aim_v23.

I tried to reduce the time step but this does not seem to solve the issue. Does anyone know how to overcome this ?

Is it a limitation of aim_v23 ?

Thanks !
Alexandre


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Alexandre POHL
Postdoctoral Researcher
CEREGE, TECHNOPOLE ENVIRONNEMENT ARBOIS-MEDITERRANEE
BP80, 13545 AIX en PROVENCE, CEDEX 04, FRANCE
https://alexandrepohl.org <https://alexandrepohl.org/>






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