Polynya Area in the Kara Sea, Arctic, Obtained With Microwave Radiometry for 1979–2003

作者: S. Kern

DOI: 10.1109/LGRS.2008.916831

关键词:

摘要: The polynya signature simulation method is applied to satellite microwave radiometry data get the mean (January-April) distribution in Kara Sea for 1995-2004. Temporal variability of location and extent confirmed with ERA40 surface wind speeds. fraction ice area 65%-85% concentration relative daily total agrees well (correlation coefficient: 0.79) 1996-2003. resulting linear fit used extend time series until 1979. During 1979-2003, increased by 2400 km2/dec. This accompanied slightly increasing southerly winds. Polynyas eastern seem play a nonnegligible role winter-time export.

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