Articles | Volume 13, issue 11
The Cryosphere, 13, 2797–2815, 2019
https://doi.org/10.5194/tc-13-2797-2019
The Cryosphere, 13, 2797–2815, 2019
https://doi.org/10.5194/tc-13-2797-2019

Research article 04 Nov 2019

Research article | 04 Nov 2019

Recent precipitation decrease across the western Greenland ice sheet percolation zone

Gabriel Lewis et al.

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Cited articles

Auger, J. D., Birkel, S. D., Maasch, K. A., Mayewski, P. A., and Schuenemann, K. C.: Examination of precipitation variability in southern Greenland, J. Geophys. Res., 122, 6202–6216, https://doi.org/10.1002/2016JD026377, 2017. 
Bales, R. C., Guo, Q., Shen, D., McConnell, J. R., Du, G., Burkhart, J. F., Spikes, V. B., Hanna, E., and Cappelen, J.: Annual accumulation for Greenland updated using ice core data developed during 2000–2006 and analysis of daily coastal meteorological data, J. Geophys. Res.-Atmos., 114, D06116, https://doi.org/10.1029/2008JD011208, 2009. 
Ballinger, T. J., Hanna, E., Hall, R. J., Cropper, T. E., Miller, J., Ribergaard, M. H., Overland, J. E., and Høyer, J. L.: Anomalous blocking over Greenland preceded the 2013 extreme early melt of local sea ice, Ann. Glaciol., 2013, 1–10, https://doi.org/10.1017/aog.2017.30, 2017. 
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Bevington, P. R. and Robinson, D. K.: Data Reduction and Error Analysis for the Physical Sciences, 2nd Edn., McGraw-Hill, 1992. 
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Short summary
We present accumulation records from sixteen 22–32 m long firn cores and 4436 km of ground-penetrating radar, covering the past 20–60 years of accumulation, collected across the western Greenland Ice Sheet percolation zone. Trends from both radar and firn cores, as well as commonly used regional climate models, show decreasing accumulation over the 1996–2016 period.