Articles | Volume 13, issue 6
The Cryosphere, 13, 1661–1679, 2019
https://doi.org/10.5194/tc-13-1661-2019
The Cryosphere, 13, 1661–1679, 2019
https://doi.org/10.5194/tc-13-1661-2019
Research article
14 Jun 2019
Research article | 14 Jun 2019

Comparison of ERA5 and ERA-Interim near-surface air temperature, snowfall and precipitation over Arctic sea ice: effects on sea ice thermodynamics and evolution

Caixin Wang et al.

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Cited articles

Albergel, C., Dutra, E., Munier, S., Calvet, J.-C., Munoz-Sabater, J., de Rosnay, P., and Balsamo, G.: ERA-5 and ERA-Interim driven ISBA land surface model simulations: which one performs better?, Hydrol. Earth Syst. Sci., 22, 3515–3532, https://doi.org/10.5194/hess-22-3515-2018, 2018. 
Alexeev, V. A., Walsh, J. E., Ivanov, V. V., Semenov, V. A., and Smirnov, A. V.: Warming in the Nordic Seas, North Atlantic storms and thinning Arctic sea ice, Environ. Res. Lett., 12, 084011, https://doi.org/10.1088/1748-9326/aa7a1d, 2017. 
AMAP: Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway, Xiv +269 pp, 2017. 
Beesley, J. A., Bretherton, C. S., Jakob C., Anderas, E. L., Intrieri, J. M., and Uttal, T. A.: A comparison of cloud and boundary layer variables in the ECMWF forecast model with observations at Surface Heat Budget of the Arctic Ocean (SHEBA) ice camp, J. Geophys. Res., 105, 12337–12349, https://doi.org/10.1029/2000JD900079, 2000. 
Bekryaev, R. V., Polyakov, I. V., and Alexeev, V. A.: Role of polar amplification in long-term surface air temperature variations and modern arctic warming, J. Climate, 23, 3888–3906, https://doi.org/10.1175/2010JCLI3297.1, 2010. 
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Short summary
A warm bias and higher total precipitation and snowfall were found in ERA5 compared with ERA-Interim (ERA-I) over Arctic sea ice. The warm bias in ERA5 was larger in the cold season when 2 m air temperature was < −25 °C and smaller in the warm season than in ERA-I. Substantial anomalous Arctic rainfall in ERA-I was reduced in ERA5, particularly in summer and autumn. When using ERA5 and ERA-I to force a 1-D sea ice model, the effects on ice growth are very small (cm) during the freezing period.