Articles | Volume 13, issue 11
https://doi.org/10.5194/cp-13-1527-2017
https://doi.org/10.5194/cp-13-1527-2017
Research article
 | 
16 Nov 2017
Research article |  | 16 Nov 2017

Episodic Neoglacial expansion and rapid 20th century retreat of a small ice cap on Baffin Island, Arctic Canada, and modeled temperature change

Simon L. Pendleton, Gifford H. Miller, Robert A. Anderson, Sarah E. Crump, Yafang Zhong, Alexandra Jahn, and Áslaug Geirsdottir

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Cited articles

Åkesson, H., Nisancioglu, K. H., Giesen, R. H., and Morlighem, M.: Simulating the evolution of Hardangerjøkulen ice cap in southern Norway since the mid-Holocene and its sensitivity to climate change, The Cryosphere, 11, 281–302, https://doi.org/10.5194/tc-11-281-2017, 2017.
Alley, R. B.: GISP2 ice core temperature and accumulation data, IGBP PAGES/World Data Cent. Paleoclimatology Data Contrib. Ser. 13, NOAA/NGDC Paleoclimatology Program, Boulder CO, USA, 2004.
Anderson, R. K., Miller, G. H., Briner, J. P., Lifton, N. A., and DeVogel, S. B.: A millennial perspective on Arctic warming from 14C in quartz and plants emerging from beneath ice caps, Geophys. Res. Lett., 35, L01502, https://doi.org/10.1029/2007GL032057, 2008.
Anklin, M., Bales, R. C., Mosley-Thompson, E., and Steffen, K.: Annual accumulation at two sites in northwest Greenland during recent centuries, J. Geophys. Res.-Atmos., 103, 28775–28783, https://doi.org/10.1029/98JD02718, 1998.
Balascio, N. L., D'Andrea, W. J., and Bradley, R. S.: Glacier response to North Atlantic climate variability during the Holocene, Clim. Past, 11, 1587–1598, https://doi.org/10.5194/cp-11-1587-2015, 2015.
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Short summary
Recent warming in the high latitudes has prompted the accelerated retreat of ice caps and glaciers, especially in the Canadian Arctic. Here we use the radiocarbon age of preserved plants being exposed by shrinking ice caps that once entombed them. These ages help us to constrain the timing and magnitude of climate change on southern Baffin Island over the past ~ 2000 years. Our results show episodic cooling up until ~ 1900 CE, followed by accelerated warming through present.
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