An Antarctic circumpolar wave in surface pressure, wind, temperature and sea-ice extent
Article Abstract:
The Antarctic Circumpolar Wave (ACW) regulates interannual variations in wind stress, sea surface temperature, atmospheric pressure at sea level, and the extension of sea-ice content over the Southern Ocean. The ACW is a system of coupled climatic abnormalities that proceeds eastwards at an average speed of 6-8 cm per second taking 8 to 10 years to encircle the pole. ACW originates in the western subtropical South Pacific and disperses east and south into the Southern Ocean with a period of 4-5 years. The ACW may be related to El Nino activity.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1996
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In hot water
Article Abstract:
The silicon-isotropic composition of ancient rock samples is explored to restructure ancient ocean temperatures. The silicon-isotope data from the Precambrian has shown that the ocean was at times warmer than 70 degree C.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
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