APPENDIX II: Brief description of models used in the study

The POLES and PRIMES models have been developed within a series of collaborative research projects partially funded by the European Commission, Joule Programme of DGXII. Pierre Valette Head of Unit F1 of DGXII has supervised on behalf of the European Commission. In 1998 both of the models have been successfully peer-reviewed by external referees in the context of a special procedure organised by DG XII.