> (2) Ocean Mixed Layer Depth; Isothermal Layer Depth.
>
> Whle probably Shaviv's estimate of 400 meters for MLD in [3] is about
> right, this is vastly too deep for the Isothermal Layer Depth (ILD)
> appropriate to solar forcing. For this reason Shaviv obtains much too
> small a value for his estimate of the SCCS. On the other hand, Tung &
> Camp in [4] use an ILD of zero, too shallow, and so obtain a value of
> SCCS in [1] which is larger than the usual TCS estimates. Clearly an
> intermediate value should be used. Tung & Camp state that the solar
> influence does not extend beyond 100 meters deep; we know that the top
> 10 meters mixes, so being isothermal, very rapidly due to wave
> action. This suggests using about 10 meters as the appropriate depth,
> although somewhat deeper might also be the best estimate. On the othr
> hand, it canot be much deeper since the phase lag for the air
> temperature response to solar forcing is less than one year according
> to Tung & Camp.
Question (I'm not a climatologist, just a geologist, so you'll have to
bear with me):
I understand the difference between ILD and MLD, but how is this
relevant to Shaviv's calculation? Is it that he assumes that SSTs
stretch all the way to the bottom of the MLD? Therefore, his heat
uptake by the oceans is far too high because temperatures are lower
the further down you go in the MLD?
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