Data from: Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves
Antarctic iceshelf height changes
Height changes for all Antarctic ice shelves between 1994 and 2018. This file also includes all the components required to estimate changes in basal melt rates: changes in firn air content, SMB and ice dynamics (changes in ice dynamics were estimated for Amundsen Sea sector ice shelves only). This data file was last updated on 2020-06-11.
Antarctic iceshelf melt rates
Average basal melt rates for Antarctic ice shelves for the 2010–2018 period at high spatial resolution, estimated using CryoSat-2 data. This data file was last updated on 2020-06-11.
- Data from: Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves
- Cite This Work
Adusumilli, Susheel; Fricker, Helen A.; Medley, Brooke C.; Padman, Laurie; Siegfried, Matthew R. (2020). Data from: Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves. UC San Diego Library Digital Collections. https://doi.org/10.6075/J04Q7SHT
Ocean-driven basal melting of Antarctic ice shelves is the largest component of ice sheet mass loss, influencing grounded-ice dynamics and the global ocean. Existing datasets do not represent the known time and space variability of melt rates around Antarctica, leading to unrealistic forcing of ice sheet and climate models. Here, we use satellite radar altimeter data from 1994 to 2018, combined with satellite-derived velocities and a new model of the surface firn-layer evolution, to develop a map of high-resolution melt rates (2010-2018 average) and a time series of thickness changes for 1994-2018, for almost all ice shelf areas.
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- Date Issued
- Principal Investigator
- Co Principal Investigator
NASA grant NNX17AI03G
NASA grant NNX17AG63G
NASA Earth and Space Science Fellowship
- Related Publications
Is Supplement To:
Adusumilli, S., Fricker, H.A., Medley, B. et al. Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves. Nat. Geosci. 13, 616–620 (2020). https://doi.org/10.1038/s41561-020-0616-z
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Brooke C. Medley: https://orcid.org/0000-0002-9838-3665
Helen A. Fricker: https://orcid.org/0000-0002-0921-1432
Laurie Padman: https://orcid.org/0000-0003-2010-642X
Matthew R. Siegfried: https://orcid.org/0000-0002-0868-4633
Susheel Adusumilli: http://orcid.org/0000-0002-2606-3531
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