Jim D said, “Solar variations are too frequent to make it a sensible concept except over long term steps like the Maunder Minimum (which was much weaker as a forcing than doubling CO2.)” Solar is a weaker atmospheric forcing but a stronger oceanic forcing. There are several thermodynamic boundary layers that have to be consider in the ocean atmospheric system and each have different sensitivities to different forcing. The Earth is not a billiard ball.
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