Conditions of Use

JCM Copyright

In the interests of global understanding, the Java Climate Model is made freely available and the source code is also open.

However, users should respect the following points (in which the term "JCM" refers to the complete package, both model code and documentation).


  • The copyright and ownsership of JCM remains with the author Ben Matthews.
  • The author cannot accept responsibility for any adverse impacts of using the JCM.

    The user:

  • May store the JCM locally for use offline, but please check regularly for updates, and tell the author if you use it frequently.
  • May use the JCM for educational or research purposes, but not for profit-making activities (note, non-profit applies to the activity, not to the organisation).
  • May not publish, redistribute or sell the JCM or adaptations thereof in any form (please consult the author, if you wish to use this within an educational package).
  • May consult the code and experiment with minor modifications. Please coordinate with the author, regarding major adaptions. Any adaptations should remain open source and not-for-profit, as above, and the scientific integrity of the model should remain paramount.


    See Contact Info