For reprojecting I've used Nikolai's scripts and they seem to work ok, just really really slowly. My preferred software is MMPS which is much faster...
Eh, I don't know, for something this esoteric I think "logic" is kind of hard to apply without a very strong background in atmospheric physics that I...
The climates came out of both ExoPlaSim and the tutorial here--the full climate map is earlier in this thread; this landmass lies between ~15 and 30...