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2026-03-20 update#

There is an update to the nitrogen deposition data (new data is published under source ID FZJ-CMIP-nitrogen-2-0). However, if you already have simulations that use the previous version (source ID FZJ-CMIP-nitrogen-1-2), you do not need to re-run. Further details below and at https://input4mips-cvs.readthedocs.io/en/latest/dataset-overviews/nitrogen-deposition/.

As a result of an issue being found (#425), a new version of the nitrogen deposition forcing has been released.

  • Modelling centres who have already run their piControl and/or historical simulations do not need to re-run.
  • Modelling centres who have not yet started their piControl and/or historical simulations should use the FZJ-CMIP-nitrogen-2-0 data.

For further details about the error and recommended action, please see the nitrogen deposition dataset page https://input4mips-cvs.readthedocs.io/en/latest/dataset-overviews/nitrogen-deposition/.

If any modelling centres run piControl and/or historical simulations with both the FZJ-CMIP-nitrogen-2-0 and FZJ-CMIP-nitrogen-1-2 forcing, these simulations would be of interest to the Forcings Task Team. (Underlying pull request: #427)