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- #341
It increases. My point was that cloud formation and the actual net effect of changing cloud cover are not well understood. Given that there has been no discernible change while temperature has increased significantly leads me to believe that the increased water content in the atmosphere is offset by the atmosphere's increased capacity. It particularly seems likely since they are both driven by the same mechanism.The relative humidity of air above water is 100% - for a boundary layer a few molecules thick and is simply the result of the interaction of evaporation and diffusion. The standard elevation for atmospheric calculations of "surface conditions" is two meters. At that elevation, RH above the oceans is roughly 80%. A logarithmic gradient exists between the two elevations.
You neglect uplift in the atmosphere ... what happens to RH when pressure is going down ...
Does it ever bother you that you constantly jump from one idea to another to another in your attempts to refute AGW or contend it represents no threat or that some natural process will bring it in check? Doesn't it seem to you as if you might be making up your mind in advance of an evaluation of the facts? Cause that's what it looks like.
PS: has there been a change in the amount of uplift taking place? Last time I checked, there was as much air going up and there was going down and a strong likelihood it's going to remain that way for the foreseeable future.