Accidental Thought on climate change and atmosphere

[cytg111]

I was contemplating climate change and rising sea levels.
This means a net raise in water levels in the atmosphere, right?
This means a net raise in volume of atmosphere, right?
This means a net raise in atmospheric pressure, right?
Is this measurable in our current climate? I mean "the rise"? Been googling, cant find anything on the subject.
Anyone? .

 

[deustroop]

Not a surprise there's not much in this vein. The sea levels will rise , it is suggested, from melting ice caps and glaciers. No one suggests there is a to be expected a rise in water evaporated into the atmosphere increasing pressure.Perhaps if the reports of highly anomalous flooding in NA and Eur are accurate, evaporated water is draining more quickly than before, (or this is just rain in concentrations rather than conforming to a more general pattern) . But there does appear to be a lot more of it.

 

[cytg111]

Not a surprise there's not much in this vein. The sea levels will rise , it is suggested, from melting ice caps and glaciers. No one suggests there is a to be expected a rise in water evaporated into the atmosphere increasing pressure.Perhaps if the reports of highly anomalous flooding in NA and Eur are accurate, evaporated water is draining more quickly than before, (or this is just rain in concentrations rather than conforming to a more general pattern) . But there does appear to be a lot more of it.

I am thinking more atmosphere at the same g(9.82^2) equals higher pressure.... right?

 

[deustroop]

Me comprendo, and I'm suggesting average sea level pressure will not apparently increase since the increase in evaporated water is mitigated by increased precipitation elsewhere, especially nowadays in lower USA and central Eur.
Poor bastards.

 

[SamirD]

Humidity levels keep rising almost everywhere though, which not only makes the air feel 'sticky' but it is technically heavier too, so there may be something to this...

 

[Greenman]

Doesn't increased water vapor in the atmosphere retain even more heat? Seems like I read that somewhere.

 

[IronWing]

I was contemplating climate change and rising sea levels.
This means a net raise in water levels in the atmosphere, right?
This means a net raise in volume of atmosphere, right?
This means a net raise in atmospheric pressure, right?
Is this measurable in our current climate? I mean "the rise"? Been googling, cant find anything on the subject.
Anyone? .

Water levels (absolute humidity) can be expected to rise over water with increased temperature (look up vapor pressure vs temperature).
Relative humidity drops with increasing temperature absent a free evaporation surface (over land).
Pressure doesn't increase because there is no containment. Water vapor cools as it rises (look up adiabatic cooling), eventually condensing.
The total volume of the atmosphere also doesn't increase.