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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 8, issue 6
The Cryosphere, 8, 2089–2100, 2014
https://doi.org/10.5194/tc-8-2089-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 8, 2089–2100, 2014
https://doi.org/10.5194/tc-8-2089-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 20 Nov 2014

Research article | 20 Nov 2014

Snowmelt onset over Arctic sea ice from passive microwave satellite data: 1979–2012

A. C. Bliss and M. R. Anderson A. C. Bliss and M. R. Anderson
  • Department of Earth and Atmospheric Sciences, University of Nebraska–Lincoln, 214 Bessey Hall, Lincoln, Nebraska, 68588-0340, USA

Abstract. An updated version (Version 3) of the Snow Melt Onset Over Arctic Sea Ice from SMMR (Scanning Multichannel Microwave Radiometer) and SSM/I-SSMIS (Special Sensor Microwave/Imager-Special Sensor Microwave Imager/Sounder) Brightness Temperatures data set is now available. The data record has been reprocessed and extended to cover the years 1979–2012. From this data set, a statistical summary of melt onset (MO) dates on Arctic sea ice is presented. The mean MO date for the Arctic Region is 13 May (132.5 DOY – day of year) with a standard deviation of ±7.3 days. Regionally, mean MO dates vary from 15 March (73.2 DOY) in the St. Lawrence Gulf to 10 June (160.9 DOY) in the Central Arctic. Statistically significant decadal trends indicate that MO is occurring 6.6 days decade−1 earlier in the year for the Arctic Region. Regionally, MO trends are as great as −11.8 days decade−1 in the East Siberian Sea. The Bering Sea is an outlier and MO is occurring 3.1 days decade−1 later in the year.

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A new version of the Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures is now available. From this data set, a statistical summary of melt onset (MO) dates on Arctic sea ice is presented. Significant trends indicate that MO is occurring 6.6days/decade earlier in the year for the Arctic while regional trends in MO are as great as 11.8days/decade earlier in the East Siberian Sea. The Bering Sea is an outlier where MO is occurring 3.1days/decade later.
A new version of the Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness...
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