Articles | Volume 14, issue 7
The Cryosphere, 14, 2469–2493, 2020
https://doi.org/10.5194/tc-14-2469-2020
The Cryosphere, 14, 2469–2493, 2020
https://doi.org/10.5194/tc-14-2469-2020

Research article 28 Jul 2020

Research article | 28 Jul 2020

Satellite passive microwave sea-ice concentration data set inter-comparison for Arctic summer conditions

Stefan Kern et al.

Data sets

Gridded Melt Pond Cover Fraction on Arctic Sea Ice derived from TERRA-MODIS 8-day composite Reflectance Data bias corrected Version 02 A. Rösel, L. Kaleschke, and S. Kern https://doi.org/10.1594/WDCC/MODIS__Arctic__MPF_V02

ESA-CCI_Phase2_Standardized_Manual_Visual_Ship-Based_SeaIceObservations_v01 S. Kern https://doi.org/10.26050/WDCC/ESACCIPSMVSBSIO

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Short summary
Arctic sea-ice concentration (SIC) estimates based on satellite passive microwave observations are highly inaccurate during summer melt. We compare 10 different SIC products with independent satellite data of true SIC and melt pond fraction (MPF). All products disagree with the true SIC. Regional and inter-product differences can be large and depend on the MPF. An inadequate treatment of melting snow and melt ponds in the products’ algorithms appears to be the main explanation for our findings.