I asked:
I’ve been trying to consider the
Volumetric or Cubical Expansion Coefficients of Liquids
and how it relates to water and climate change
It’s hard to wrap my head around… especially when you add melting sea ice to the equation
What do you think?
Will warmer water increase sea level rise even greater… the warmer the water the higher the rise? If the ocean temperature rises from from 62 to 68 will the increase temperature cause the sea level to rise due to expansion?
And, does it matter if ice starts as sea ice or ice on land?
How about the salinity? I’m guessing salinity will decrease as we add fresh water?
I found a tool box app. but I don’t think it takes any of these factors into account:
https://www.engineeringtoolbox.com/volumetric-temperature-expansion-d_315.html
Sidd replied:
ya, warming causes about a third to a half of current sea level rise but the other 2/3 is melting land based ice
the warming of the surface ocean (0-couple hundred meters) is not that important, it is the deep ocean that holds most of the water and it is warming much slower than the surface, but the expansion of the deep ocean causes most of the sea level rise
deep warming is very small compared to surface, a few thousandths to a hundredth of a degree, but there is a lot of deep ocean
90-95% of the warming due to CO2 goes into the oceans. There is better data now on where that heat is going in the ocean from the Argo floats.
theres a buncha papers on it, Cazenave is a good author to look for.
sidd