1. Climate Research Division, S&T Branch; Environment Canada; Toronto Ontario Canada
2. Toronto Ontario Canada
3. DL Modelling and Research; Brampton Ontario Canada
4. CIRES; University of Colorado; Boulder Colorado USA
5. ERL, Demokritos National Center of Scientific Research; Institute of Nuclear Technology and Radiation Protection; Attiki Greece
6. Center for Global Environmental Research National Institute for Environmental Studies 16-2 Onogawa; Tsukuba Ibaraki Japan