Articles | Volume 9, issue 3
The Cryosphere, 9, 971–988, 2015
https://doi.org/10.5194/tc-9-971-2015
The Cryosphere, 9, 971–988, 2015
https://doi.org/10.5194/tc-9-971-2015

Research article 11 May 2015

Research article | 11 May 2015

Numerical simulation of extreme snowmelt observed at the SIGMA-A site, northwest Greenland, during summer 2012

M. Niwano et al.

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A physical snowpack model SMAP and in situ meteorological and snow data obtained at site SIGMA-A on the northwest Greenland ice sheet are used to assess surface energy balance during the extreme near-surface snowmelt event around 12 July 2012. We determined that the main factor for the melt event observed at the SIGMA-A site was low-level clouds accompanied by a significant temperature increase, which induced surface heating via cloud radiative forcing in the polar region.