They looked at precipitation and atmospheric circulation among other factors before determining that the model was accurately portraying regional climate and informing global climate calculations. (pnnl.gov)
Manabe S, Kirk B (1969) Climate Calculations with a Combined Ocean - Atmosphere Model. (mpra.ub.uni-muenchen.de)
«You can do climate calculations where you add CO2 and build up to hundreds of times the present day atmospheric pressure on Mars and you still never get to temperatures that are even close to the melting point,» said Wordsworth. (sciencedaily.com)