And clouds being much smaller than the spatial scale, they must be averaged to at least one grid size (which are still a couple of orders of magnitude larger), hence my «
tunable average cloudiness parameter» statement.
I think you make some statements here that are not necessarily true, e.g. there is no «
tunable average cloudiness parameter» AFAIK (but I'm not a GCM modeler, so there are others better suited to comment on this than I am).
Not exact matches
Imagine, like Dr. Evil, you have access to a giant,
tunable laser located on a giant, fast moving hover ship, and you can radiate the Earths surface with, on
average, 10 W / m2 of radiation.