Eq bold cycle

The contraction of the Hadley cells at the SGM explains the southward displacement (weakening) of the monsoons associated with the Hadley circulation (figure 54 f), and the decrease in wind strength at the Santa Barbara basin that increases precipitation (figure 54 e). The expansion of the polar cells explains the increase in wind strength over Iceland (figure 52 d), that appears to depend on Milankovitch forcing. With the expansion of the polar cells there is an increase in polar circulation driven by the strengthening of the Siberian high, that produces an increase in salt deposition over Greenland (figure 52 a & b).

Eq bold cycle

eq bold cycle

Media:

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