Articles | Volume 18, issue 5
Atmos. Chem. Phys., 18, 3485–3503, 2018
https://doi.org/10.5194/acp-18-3485-2018

Special issue: NETCARE (Network on Aerosols and Climate: Addressing Key Uncertainties...

Atmos. Chem. Phys., 18, 3485–3503, 2018
https://doi.org/10.5194/acp-18-3485-2018

Research article 09 Mar 2018

Research article | 09 Mar 2018

Temporally delineated sources of major chemical species in high Arctic snow

Katrina M. Macdonald et al.

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Cited articles

AMAP: Acidifying pollutants, Arctic haze, and acidification in the Arctic, Arctic Monitoring and Assessment Programme, Oslo, Norway, 2006.
AMAP: Black carbon and ozone as Arctic climate forcers, Arctic Monitoring and Assessment Programme, Oslo, Norway, 2015.
AMAP: Snow, water, ice and permafrost in the Arctic (SWIPA), Arctic Monitoring and Assessment Programme, Oslo, Norway, 2017.
Andreae, M. O. and Merlet. P.: Emission of trace gases and aerosols from biomass burning, Global Biogeochem. Cy., 15, 955–966, https://doi.org/10.1029/2000GB001382, 2001.
Barrett, T. E., Robinson, E. M., Usenko, S., and Sheesley, R. J.: Source contributions to wintertime elemental and organic carbon in the western Arctic based on radiocarbon and tracer apportionment, Environ. Sci. Technol., 49, 11631–11639, https://doi.org/10.1021/acs.est.5b03081, 2015.
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Short summary
The sources of key contaminants in Arctic snow may be an important factor in understanding the rapid climate changes observed in the Arctic. Fresh snow samples collected frequently through the winter season were analyzed for major constituents. Temporally refined source apportionment via positive matrix factorization in conjunction with FLEXPART suggested potential source characteristics and locations. The identity of these sources and their relative contribution to key analytes is discussed.
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