Articles | Volume 15, issue 7
The Cryosphere, 15, 3329–3354, 2021
The Cryosphere, 15, 3329–3354, 2021

Research article 20 Jul 2021

Research article | 20 Jul 2021

Holocene thinning of Darwin and Hatherton glaciers, Antarctica, and implications for grounding-line retreat in the Ross Sea

Trevor R. Hillebrand et al.

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Cited articles

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Anderson, B. M., Hindmarsh, R. C. A., and Lawson, W. J.: A modelling study of the response of Hatherton Glacier to Ross Ice Sheet grounding line retreat, Global Planet. Change, 42, 143–153,, 2004. 
Anderson, J. B., Conway, H., Bart, P. J., Witus, A. E., Greenwood, S. L., McKay, R. M., Hall, B. L., Ackert, R. P., Licht, K., Jakobsson, M., and Stone, J. O.: Ross Sea paleo-ice sheet drainage and deglacial history during and since the LGM, Quaternary Sci. Rev., 100, 31–54,, 2014. 
Anderson, J. T. H., Wilson, G. S., Fink, D., Lilly, K., Levy, R. H., and Townsend, D.: Reconciling marine and terrestrial evidence for post LGM ice sheet retreat in southern McMurdo Sound, Antarctica, Quaternary Sci. Rev., 157, 1–13,, 2017. 
Short summary
We present chronologies from Darwin and Hatherton glaciers to better constrain ice sheet retreat during the last deglaciation in the Ross Sector of Antarctica. We use a glacier flowband model and an ensemble of 3D ice sheet model simulations to show that (i) the whole glacier system likely thinned steadily from about 9–3 ka, and (ii) the grounding line likely reached the Darwin–Hatherton Glacier System at about 3 ka, which is ≥3.8 kyr later than was suggested by previous reconstructions.