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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Variation of Antarctic circumpolar current and its intensification in relation to the southern annular mode detected in the time-variable gravity signals by GRACE satellite

Fig. 1

Schematic depiction of the circum-Antarctic ringed geometry and the variability of the ACC in relation to the SAM over the Southern Ocean. A positive SAM Index (on the right panel) means the stronger westerly wind, the faster ACC, the Ekman transport anomaly moving toward the equator, and the sea level increasing (decreasing) away from (toward) the Antarctica. A negative SAM Index (on the left panel) signifies the opposite

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