Articles | Volume 10, issue 5
https://doi.org/10.5194/tc-10-2217-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-10-2217-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
26 Sep 2016
Research article |
| 26 Sep 2016
The impact of melt ponds on summertime microwave brightness temperatures and sea-ice concentrations
Stefan Kern
CORRESPONDING AUTHOR
Center for Climate System Analysis and Prediction CliSAP, Hamburg, Germany
Anja Rösel
Norsk Polar Institute, Tromsø, Norway
Leif Toudal Pedersen
Danish Meteorological Institute, Copenhagen, Denmark
Natalia Ivanova
Nansen Environmental and Remote Sensing Center NERSC, Bergen, Norway
Roberto Saldo
Danish Technical University-Space, Copenhagen, Denmark
Rasmus Tage Tonboe
Danish Meteorological Institute, Copenhagen, Denmark
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Discussed (final revised paper)
Latest update: 14 Dec 2024
Short summary
Sea ice, frozen seawater floating on polar oceans, is covered by meltwater puddles, so-called melt ponds, during summer. Methods used to compute Arctic sea-ice concentration (SIC) from microwave satellite data are influenced by melt ponds. We apply eight such methods to one microwave dataset and compare SIC with visible data. We conclude all methods fail to distinguish melt ponds from leads between ice floes; SIC biases are negative (positive) for ponded (non-ponded) sea ice and can exceed 20 %.
Sea ice, frozen seawater floating on polar oceans, is covered by meltwater puddles, so-called...
