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Paleoclimate CCSM runs?

>
> Sylvia,
>
> First of all thanks very much for your
> always-professional-and-friendly responses. Before I
> start asking the porting-related questions, just a
> quick question for now (I'm reading the CCSM user
> guide, dated June 25, 2004): it says there is
> currently NO paleoclimate setting on CCSM, meaning we
> simply can NOT make any CCSM simulation unless it's
> for the Present Day, is this correct?
>
> From my previous experience, there are indeed
> nontrivial settings required to set up paleoclimate
> runs (such as the orbital forcing for 6Ka runs,
> Land-Ice for 21Ka runs, etc.). Therefore ordinary
> users (like myself) do NOT have the ability to
> actually change the code to fit into any paleoclimate
> runs with CCSM. That road is "dead". Correct? If
> so, is there any climate model that you know with
> which we can make paleoclimate runs?
>
> (this may not fit the BB forum, so I email to you,
> but it's of course up to you to re-arrange).
>
> Thanks.
>
> Aaron 2/3/05
 
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