Climate of the Past
Climate of the Past
CP
Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/cp-19-1905-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-19-1905-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
10 Oct 2023
Research article |  | 10 Oct 2023

Estimating summer sea ice extent in the Weddell Sea during the early 19th century

Eleanor Love and Grant R. Bigg

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Cited articles

Biscoe, J. and Enderby, M.: Recent discoveries in the Antarctic Ocean, https://archive.org/details/jstor-1797601 (last access: 9 October 2023), 1833. 
CEDA: HMS Erebus ship logbook, http://data.ceda.ac.uk/badc/corral/images/metobs/ (last access: 9 October 2023), 2011a.  
CEDA: HMS Terror ship logbook, http://data.ceda.ac.uk/badc/corral/images/metobs/ (last access: 9 October 2023), 2011b. 
Chen, J.-L., Kang, S.-C., Meng, X.-H., and You, Q.-L.: Assessments of the Arctic amplification and the changes in the Arctic sea surface, Adv. Clim. Change Res., 10, 193–202, https://doi.org/10.1016/j.accre.2020.03.002, 2019. 
Debenham, F. X.: The voyage of Captain Bellingshausen to the Antarctic Seas, 1819–21, https://books.google.co.uk/books?id=pnWncQAACAAJ&dq=the+voyage+of+captain+bellingshausen+to+the+antarctic+seas&hl=en&sa=X&ved=0ahUKEwjnr9Sq39rYAhXJJcAKHXbdBOIQ6AEINzAD (last access: 9 October 2023), 2010. 
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Short summary
Over recent decades, opposite trends in sea ice extent have been found between the Arctic and Antarctic. However, early Antarctic expeditions provide much information regarding sea ice. Here summer sea ice positions recorded during 1820–1843 have been compared to recent satellite observations. The key findings of this study indicate a 19th century summer northernmost sea ice latitude in much of the Weddell Sea that was further north than during the modern era.
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