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Arjo Segers, 02/16/2021 09:51 AM


Welcome to the TM5-MP wiki. Unlike its older sibling TM5-zoom (, TM5-MP does not use nested region, but instead handles memory and MPI parallelization in a more efficient way, which makes it more scalable. It can be run at 1x1 resolution without problem. For the full chemistry (i.e. NOx-OH etc chemistry, with aerosols), only TM5-MP is up-to-date and being developed.

The 4D-variational data-assimilation built upon TM5-MP is being developed, and has a dedicated project page.

Finally, a general website with publications, meetings presentations, and more can be found at


You can peek at the TM5-MP repository (but not get the code!) by navigating to the repository tab above this page. To download the code, you will need an account. Please contact the project manager to obtain one.

Getting the code

Information on how to check out the code, get the required datasets and run the model is available in the User Manual. It also can be found in your copy of the code under the doc directory:


Further reading

Some information to complete the User Manual:


  • 2021 Feb 19: