Articles | Volume 18, issue 12
https://doi.org/10.5194/tc-18-5803-2024
https://doi.org/10.5194/tc-18-5803-2024
Research article
 | 
11 Dec 2024
Research article |  | 11 Dec 2024

Seasonal snow cover indicators in coastal Greenland from in situ observations, a climate model, and reanalysis

Jorrit van der Schot, Jakob Abermann, Tiago Silva, Kerstin Rasmussen, Michael Winkler, Kirsty Langley, and Wolfgang Schöner

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Cited articles

Allchin, M. I. and Déry, S. J.: The Climatological Context of Trends in the Onset of Northern Hemisphere Seasonal Snow Cover, 1972–2017, J. Geophys. Res.-Atmos., 125, e2019JD032367, https://doi.org/10.1029/2019JD032367, 2020. 
AMAP: Snow, Water, Ice and Permafrost in the Arctic (SWIPA): Climate Change and the Cryosphere, xii + 538 pp., https://www.amap.no/documents/doc/snow-water-ice-and-permafrost-in-the-arctic-swipa-climate-change-and-the-cryosphere/743 (last access: 9 December 2024), 2011. 
Assmann, J. J., Myers‐Smith, I. H., Phillimore, A. B., Bjorkman, A. D., Ennos, R. E., Prevéy, J. S., Henry, G. H. R., Schmidt, N. M., and Hollister, R. D.: Local snow melt and temperature—but not regional sea ice—explain variation in spring phenology in coastal Arctic tundra, Glob. Change Biol., 25, 2258–2274, https://doi.org/10.1111/gcb.14639, 2019. 
Ballinger, T. J., Hanna, E., Hall, R. J., Carr, J. R., Brasher, S., Osterberg, E. C., Cappelen, J., Tedesco, M., Ding, Q., and Mernild, S. H.: The role of blocking circulation and emerging open water feedbacks on Greenland cold-season air temperature variability over the last century, Int. J. Climatol., 41, E2778–E2800, https://doi.org/10.1002/joc.6879, 2020. 
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Short summary
We present snow data from nine locations in coastal Greenland. We show that a reanalysis product (CARRA) simulates seasonal snow characteristics better than a regional climate model (RACMO). CARRA output matches particularly well with our reference dataset when we look at the maximum snow water equivalent and the snow cover end date. We show that seasonal snow in coastal Greenland has large spatial and temporal variability and find little evidence of trends in snow cover characteristics.
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