Temporal Variability of the Antarctic Circumpolar Current Observed from Satellite Altimetry

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Science  19 Oct 1984:
Vol. 226, Issue 4672, pp. 343-346
DOI: 10.1126/science.226.4672.343


Sea level measurements by the Seasat altimeter were used to study the temporal variability of the Antarctic Circumpolar Current between July and October 1978. Large-scale zonal coherence in the cross-stream sea level difference was observed, indicating a general increase in the surface geostrophic velocity of the current around the Southern Ocean. The result demonstrates the power of satellite altimetry to monitor the variability of large-scale ocean currents.

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