Source identification of the Arctic sea ice proxy IP25

T. A. Brown (), S. T. Belt, A. Tatarek and C. J. Mundy
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T. A. Brown: Biogeochemistry Research Centre, School of Geography, Earth and Environmental Sciences, University of Plymouth
S. T. Belt: Biogeochemistry Research Centre, School of Geography, Earth and Environmental Sciences, University of Plymouth
A. Tatarek: Institute of Oceanology Polish Academy of Sciences
C. J. Mundy: Centre for Earth Observation Science, University of Manitoba

Nature Communications, 2014, vol. 5, issue 1, 1-7

Abstract: Abstract Analysis of the organic geochemical biomarker IP25 in marine sediments is an established method for carrying out palaeo sea ice reconstructions for the Arctic. Such reconstructions cover timescales from decades back to the early Pleistocene, and are critical for understanding past climate conditions on Earth and for informing climate prediction models. Key attributes of IP25 include its strict association with Arctic sea ice together with its ubiquity and stability in underlying marine sediments; however, the sources of IP25 have remained undetermined. Here we report the identification of IP25 in three (or four) relatively minor (

Date: 2014
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DOI: 10.1038/ncomms5197

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