Concerning volume: If it's not taken by IPCC (I did not read the draft and also, there will surely be modifications) then for the simple reason, that it can not be measured directly and so any data have a pretty
wide uncertainty bar and are open to attack.
Not exact matches
In isolation, a narrow range
bar signals
uncertainty while a
wide range
bar shows wild trading.
Wilson: any method that incorporates all forms of
uncertainty and error will undoubtedly result in reconstructions with
wider error
bars than we currently have.
After all that some
uncertainty remains and that's one source of the
wide error
bars of the figure of AR5 I gave the link to.