Articles | Volume 19, issue 9
https://doi.org/10.5194/cp-19-1777-2023
https://doi.org/10.5194/cp-19-1777-2023
Research article
 | 
08 Sep 2023
Research article |  | 08 Sep 2023

Duration and ice thickness of a Late Holocene outlet glacier advance near Narsarsuaq, southern Greenland

Peter J. K. Puleo and Yarrow Axford

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Cited articles

Adamson, K., Lane, T., Carney, M., Delaney, C., and Howden, A.: The imprint of catchment processes on Greenlandic ice cap proglacial lake records: analytical approaches and palaeoenvironmental significance, J. Quat. Sci., 37, 1388–1406, 2022. 
Andresen, C. S., Björck, S., Bennike, O., and Bond, G.: Holocene climate changes in southern Greenland: evidence from lake sediments, J. Quat. Sci., 19, 783–795, 2004. 
Axford, Y., Losee, S., Briner, J. P., Francis, D. R., Langdon, P. G., and Walker, I. R.: Holocene temperature history at the western Greenland Ice Sheet margin reconstructed from lake sediments, Quat. Sci. Rev., 59, 87–100, 2013. 
Axford, Y., De Vernal, A., and Osterberg, E. C.: Past Warmth and Its Impacts During the Holocene Thermal Maximum in Greenland, Annu. Rev. Earth Planet Sci., 49, 279–307, 2021. 
Badgeley, J. A., Steig, E. J., Hakim, G. J., and Fudge, T. J.: Greenland temperature and precipitation over the last 20 000 years using data assimilation, Clim. Past, 16, 1325–1346, https://doi.org/10.5194/cp-16-1325-2020, 2020. 
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Short summary
We used two lake sediment records at different elevations and landscape evidence to find that a southern Greenland outlet glacier advanced ~ 3700 years ago and then retreated ~ 1600 years ago. This retreat is unlike other nearby outlet glaciers, possibly because of the complex local ice structure or greater sensitivity to snowfall. We also find that the advanced ice surface had an elevation of ~ 670 m a.s.l. (~ 250 m higher than today) from ~ 3700 to 1600 years ago.