Welcome to the new DiscussCESM forum!
We are still working on the website migration, so you may experience downtime during this process.

Existing users, please reset your password before logging in here: https://xenforo.cgd.ucar.edu/cesm/index.php?lost-password/


  1. W

    How to run CESM with finer timesteps

    Hello everyone, I want to ask about how to run CESM with finer timesteps (for example, with STOP_N choice is 6h), the CESM version I use is CESM 1.2.1. I understand the CESM 1.2.1 is out of support for a long time, but this is latest version DART(data assimilation research testbed) can...
  2. J

    cesm 1.2 F20TR - turn on DVCN mode

    How do I turn on DVCN mode in the F case?when I set CLM_CONFIG_OPTS= bgc cndv it makes mistakes
  3. G

    case build error

    plantform: centOS 7 CESM version: 1_2_1 compiler: ifort icc MPI: mpich In the scripts folder, I ran the following command: to create a simple case. Then in the case folder, I ran the following command: There is an error: The ConfigCase.pm line 448 is: foreach my $model qw(COMP_ATM COMP_LND...
  4. T

    Definitions of variables

    Hello! I am processing climate data produced by CESM1.2 / CAM4. My goal is to provide visualizations of the top-of-atmosphere radiation budget to assess the impact of localized surface albedo modification. I am an intern who is new to CESM, and my question is very simple. Where are the model...
  5. M

    Output monthly average transient-eddy fluxes (CAM4)?

    Hi all, I'm running CESM1.2.2 with CAM4. I wish to output 3D monthly averages of transient-eddy fluxes in the atmosphere (water vapor, temperature, geopotential, momentum). Are these fluxes available as standard History Fields? I had a look in the CAM4 documnetnation but couldn't find them... If...