Articles | Volume 10, issue 6
https://doi.org/10.5194/tc-10-3021-2016
https://doi.org/10.5194/tc-10-3021-2016
Research article
 | 
15 Dec 2016
Research article |  | 15 Dec 2016

Circumpolar polynya regions and ice production in the Arctic: results from MODIS thermal infrared imagery from 2002/2003 to 2014/2015 with a regional focus on the Laptev Sea

Andreas Preußer, Günther Heinemann, Sascha Willmes, and Stephan Paul

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Short summary
We present spatial and temporal characteristics of 17 Arctic polynya regions. By using an energy balance model, daily thin-ice thickness distributions are derived from TIR satellite and atmospheric reanalysis data. All polynyas combined yield an average ice production of about 1811 km3 per winter. Interestingly, we find distinct regional differences in calculated trends over the last 13 years. Finally, we set a special focus on the Laptev Sea region and its relation to the Transpolar Drift.