Articles | Volume 9, issue 5
https://doi.org/10.5194/tc-9-1955-2015
https://doi.org/10.5194/tc-9-1955-2015
Research article
 | 
15 Oct 2015
Research article |  | 15 Oct 2015

Lead detection in Arctic sea ice from CryoSat-2: quality assessment, lead area fraction and width distribution

A. Wernecke and L. Kaleschke

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Short summary
Leads in Arctic sea ice have a dominant effect on the exchange between the ocean and the atmosphere. Visual MODIS scenes are used to validate and improve the detection of leads from altimeter measurements of the satellite CryoSat-2. The rarely used maximum power of the returning signal shows the best classification properties. Lead area fraction and width distribution estimates based on CryoSat-2 complement other studies and deepen our understanding of lead characteristics.