Idea for biomes and how they are created

I think we should have some prevailing winds which the player cannot see but ultimately decides which biomes are created where. I got my info from the wiki post about deserts, I may be repeating something that was already said but this idea was not in the wiki. For example: Mountains block these winds from passing any further, and thus create deserts as moisture cannot be blown in from the ocean/lakes to that area. In a similar manner one could create marshes, grasslands, etc etc. . . ...