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About these plots:

These plots are based on anomalies from climatology of daily regional Southern Hemisphere sea ice area for 12 month periods. The three regions shown are:
  • The Weddell Sea (defined as sea ice between 305º and 350ºE)
  • The Ross Sea (defined as sea ice between 170º and 210ºE)
  • Queen Maud Land (defined as sea ice between 350º and 30ºE)
    • Climatology is based on the period 1979-2008. Blue banding represents the range of daily historical values for the period 1979-2006.

    Data are from the National Snow and Ice Data Center and are based on concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data.

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    Email me:
    p.reid[at]bom.gov.au
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    Phil Reid
    ACE CRC
    Private Bag 80 Hobart
    Tasmania 7001
    Australia