Articles | Volume 9, issue 5
The Cryosphere, 9, 1761–1772, 2015
https://doi.org/10.5194/tc-9-1761-2015
The Cryosphere, 9, 1761–1772, 2015
https://doi.org/10.5194/tc-9-1761-2015
Research article
04 Sep 2015
Research article | 04 Sep 2015

Quantifying the resolution level where the GRACE satellites can separate Greenland's glacial mass balance from surface mass balance

J. A. Bonin and D. P. Chambers

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Short summary
Separating surface mass balance from glacial mass balance over Greenland would provide important climatological information and constraints for models, but due to poor spatial resolution, the GRACE gravity satellites cannot ordinarily accomplish this. We demonstrate a least-squares technique which allows us to do so, in theory. However we also find that the GRACE errors are too large to make it practical for real-world use at this time. About a 9-fold reduction in noise would be needed.