@antarctic.bsky.social on Bluesky

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Australian Antarctic Program Partnership

antarctic.bsky.social

did:plc:b4vtqpzrlmpqwl53j2gorhfr

🌊 1/ Meet SAM. The Southern Annular Mode (SAM) is the Southern Hemisphere’s most influential #climate driver. When the SAM enters a positive phase, the westerly winds tighten and move towards #Antarctica. When it moves into a negative phase, these winds expand back towards Australia. (figs: BoM)

2025-12-02T04:54:51.032Z