Articles | Volume 18, issue 16
Atmos. Chem. Phys., 18, 12345–12361, 2018
https://doi.org/10.5194/acp-18-12345-2018
Atmos. Chem. Phys., 18, 12345–12361, 2018
https://doi.org/10.5194/acp-18-12345-2018

Research article 27 Aug 2018

Research article | 27 Aug 2018

Historical black carbon deposition in the Canadian High Arctic: a >250-year long ice-core record from Devon Island

Christian M. Zdanowicz et al.

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Cited articles

AMAP: The Impact of Black Carbon on Arctic Climate, Oslo: Arctic Monitoring and Assessment Programme (AMAP), 72 pp., 2011.
AMAP: Arctic Climate Issues 2015: Short-Lived Climate Pollutants: Summary for Policy-Makers, Oslo: Arctic Monitoring and Assessment Programme (AMAP), 16 pp., 2015.
Ashbaugh, L. L., Malm, W. C., and Sadeh, W. Z.: A residence time probability analysis of sulfur concentrations at Grand Canyon National Park, Atmos. Environ.,19, 1263–1270, https://doi.org/10.1016/0004-6981(85)90256-2, 1985.
Bauer, S. E., Bausch, A., Makarenko, L., Tsigaridis, K., Xu, B., Edwards, R., Bisiaux, M., and McConnell, J.: Historical and future black carbon deposition on the three ice caps: Ice-core measurements and model simulations from 1850 to 2100, J. Geophys. Res.-Atmos., 118, 7948–7961, https://doi.org/10.1002/jgrd.50612, 2013.
Bezeau, P., Sharp, M., Burgess, D., and Gascon, G.: Firn profile changes in response to extreme 21st-century melting at Devon Ice Cap, Nunavut, Canada, J. Glaciol., 59, 981–991, https://doi.org/10.3189/2013JoG12J208, 2013.
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Short summary
Black carbon (BC) particles emitted by natural and anthropogenic sources (e.g., wildfires, coal burning) can amplify climate warming by increasing sunlight energy absorption on snow-covered surfaces. This paper presents a new ice-core record of historical (1810–1990) BC deposition in the Canadian Arctic. The Devon ice cap record differs from Greenland ice cores, implying large variations in BC deposition across the Arctic that must be accounted for to better quantity their future climate impact.
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