Articles | Volume 17, issue 3
Research article
22 Jun 2021
Research article |  | 22 Jun 2021

Winter–spring warming in the North Atlantic during the last 2000 years: evidence from southwest Iceland

Nora Richter, James M. Russell, Johanna Garfinkel, and Yongsong Huang

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Cited articles

Adalsteinsson, H., Jónasson, P. M., and Rist, S.: Physical characteristics of Thingvallavatn, Iceland. Oikos, 64, 121–135,, 1992. 
Andradóttir H. Ó.: Icelandic Lakes, Physical Characteristics, in: Encyclopedia of Lakes and Reservoirs. Encyclopedia of Earth Sciences Series, edited by: Bengtsson, L., Herschy, R. W., Fairbridge, R. W., Springer, Dordrecht,, 2012. 
Assel, R. A. and Robertson, D. M.: Changes in winter air temperatures near Lake Michigan, 1851–1993, as determined from regional lake-ice records, Limnol. Oceanogr., 40, 165–176,, 1995. 
Axford, Y., Geirsdóttir, A., Miller, G. H., and Langdon, P. G.: Climate of the Little Ice Age and the past 2000 years in northeast Iceland inferred from chironomids and other lake sediment proxies, J. Paleolimnol., 41, 7–24,, 2009. 
Axford, Y., Andresen, C. S., Andrews, J. T., Belt, S. T., Geirsdóttir, Á., Massé, G., Miller, G. H., Ólafsdóttir, S., and Vare, L. L.: Do paleoclimate proxies agree? A test comparing 19 late Holocene climate and sea-ice reconstructions from Icelandic marine and lake sediments, J. Quat. Sci., 26, 645–656,, 2011. 
Short summary
We present a reconstruction of winter–spring temperatures developed using organic proxies preserved in well-dated lake sediments from southwest Iceland to assess seasonal temperature changes in the North Atlantic region over the last 2000 years. The gradual warming trend observed in our record is likely influenced by sea surface temperatures, which are sensitive to changes in ocean circulation and seasonal insolation, during the winter and spring season.