I've now added a version (fairly close to the latest one) of the source code for the CAESAR model - along with some zipped sample data files.

Code and sample files zip file

Some (rather poor) instructions.

Disclaimer/Terms and Conditions:
I agree that the code and data presented here is for use solely for educational or research purposes and not for any commercial application or financial gain. I accept that the authors of the model or the University of Wales Aberystwyth are in no way responsible for any actions or decisions arising from its predictions/results, or for any damage to software or hardware resulting from its operation. Any publications resulting from these downloads will carry full and appropriate acknowledgements of the Author's and the UWA.