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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 5
The Cryosphere, 9, 1955–1968, 2015
https://doi.org/10.5194/tc-9-1955-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 9, 1955–1968, 2015
https://doi.org/10.5194/tc-9-1955-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

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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Cited articles  
Andreas, E. L. and Murphy, B.: Bulk transfer coefficients for heat and momentum over leads and polynyas, J. Phys. Oceanogr., 16, 1875–1883, 1986.
Andreas, E. L., Paulson, C. A., William, R. M., Lindsay, R. W., and Businger, J. A.: The turbulent heat flux from Arctic leads, Boundary-Layer Meteorology, 17, 57–91, https://doi.org/10.1007/BF00121937, 1979.
Armitage, T. W. and Davidson, M. W.: Using the interferometric capabilities of the ESA CryoSat-2 mission to improve the accuracy of sea ice freeboard retrievals, IEEE T. Geosci. Remote, 52, 529–536, 2014.
Barnes, W. L., Pagano, T. S., and Salomonson, V. V.: Prelaunch characteristics of the moderate resolution imaging spectroradiometer (MODIS) on EOS-AM1, Geoscience and Remote Sensing, IEEE T. Geosci. Remote, 36, 1088–1100, https://doi.org/10.1109/36.700993, 1998.
Beitsch, A., Kaleschke, L., and Kern, S.: Investigating high-resolution AMSR2 sea ice concentrations during the February 2013 fracture event in the Beaufort Sea, Remote Sens., 6, 3841–3856, 2014.
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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.
Leads in Arctic sea ice have a dominant effect on the exchange between the ocean and the...
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