No there currently isn’t a lot of water vapor at the poles. Too cold for that. But the lack of water vapor is one of the reasons the northern latitudes are warming faster than the rest of the planet. The temperatures at high latitudes are driven more by albedo and trace gasses other than water vapor. Mostly albedo. Since these things are a larger component of the temperature changes to both cause a larger effect there than the same change would in areas with higher water vapor content.
In any case as the rest of the planet warms ice cover will be lost at the poles. As the ice melts the temperature will increase and the atmosphere will hold more water vapor. It isn’t long (geologically speaking) before that positive feedback overcomes lower energy, and the poles reach an average annual temperature above zero degrees C. At that point all bets are off.
But your point is interesting, and I hadn’t read that before. I would be interested in some links if you have any. I looked but didn’t have much luck finding anything.
In any case as the rest of the planet warms ice cover will be lost at the poles. As the ice melts the temperature will increase and the atmosphere will hold more water vapor. It isn’t long (geologically speaking) before that positive feedback overcomes lower energy, and the poles reach an average annual temperature above zero degrees C. At that point all bets are off.
But your point is interesting, and I hadn’t read that before. I would be interested in some links if you have any. I looked but didn’t have much luck finding anything.
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