Dataset for "Increased variability in Greenland Ice Sheet runoff from satellite observations"

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This archive contains source data for Slater et al. 2021 - Increased variability in Greenland Ice Sheet runoff from satellite observations, published in Nature Communications:

https://doi.org/10.1038/s41467-021-26229-4

Centre for Polar Observation and Modelling, School of Earth and Environment, University of Leeds
Corresponding author: t.slater1@leeds.ac.uk

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The interannual elevation change maps, seasonal elevation change and runoff data are contained in the following data files:

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gris_ablation_zone_dh_cryosat.csv
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Surface height change time series for the Greenland Ice Sheet ablation zone (in m) derived from CryoSat-2 satellite radar altimetry, and its estimated 1 sigma uncertainty between 2011 and 2020
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gris_ablation_zone_dh_may_aug_cryosat.csv
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Seasonal height changes between May and August (in m) for the Greenland Ice Sheet ablation zone within the 8 principal Zwally drainage basins derived from CryoSat-2 satellite radar altimetry between 2011 and 2020

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gris_ablation_zone_dh_may_aug_cryosat.csv
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Seasonal height changes between September and April (in m) for the Greenland Ice Sheet ablation zone within the 8 principal Zwally drainage basins derived from CryoSat-2 satellite radar altimetry between 2011 and 2020

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gris_interannual_seasonal_dhdt_cryosat.nc
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Interannual and seasonal elevation trends derived from CryoSat-2 satellite radar altimeter data acquired between 2011 and 2020. Posted on a 5 km grid in polar stereo graphic projection using EPSG:3413 - WGS 84 / NSIDC Sea Ice Polar Stereographic North 

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gris_runoff_cryosat.csv
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Annual Greenland Ice Sheet runoff estimates and their estimated uncertainty derived (in Gt/yr) derived from CryoSat-2 satellite radar altimetry between 2011 and 2020

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Acknowledgements:

This work was supported by NERC through National Capability funding, undertaken by a partnership between the Centre for Polar Observation Modelling and the British Antarctic Survey, and by the European Space Agency’s Polar+ Earth Observation for Mass Balance study (4000132154/20/I-EF). M.M was supported by the Lancaster University-UKCEH Centre of Excellence in Environmental Data Science. A.L was supported by the NERC Meltwater Ice-sheet Interactions and the changing climate of Greenland research grant (MII Greenland NE/S011390/1). B.N was funded by NWO VENI grant VI.Veni.192.019. M.v.d.B and P.K.M acknowledge support from the Netherlands Earth System Science Centre (NESSC). Computational resources used to perform MAR simulations have been provided by the Consortium des Équipements de Calcul Intensif (CÉCI), funded by the F.R.S.FNRS under grant 2.5020.11 and the Tier-1 supercomputer (Zenobe) of the Fédération Wallonie Bruxelles infrastructure funded by the Walloon Region under grant agreement 1117545.

Projects:

European Space Agency’s Polar+ Earth Observation for Mass Balance study (4000132154/20/I-EF)

https://smb.eo4cryo.dk/