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CYCLONE OCCURRENCE IN THE NORTH ATLANTIC: IMPACTS ON GREENLAND ICE SHEET MELT CYCLES 1979-2002

MCALLISTER, MOLLY J.  University of Colorado, Boulder.
Huff, Russell  University of Colorado, Boulder.

Does a relationship exist between cyclone frequencies in the North Atlantic and melt extent on the Greenland ice sheet? This thesis work has explored this question through the analysis of NCEP/NCAR sea level pressure data spanning the period 1963-2002, passive microwave melt data spanning the period 1979-2002, and the derived NAO index for the respective time period. Through linear trend and correlation analysis it has been determined that there are regional differences in the relationship between cyclone frequency and melt extent on the Greenland ice sheet.


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