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Record high levoglucosan concentrations in the NEEM snowpit due to long-range transport after biomass burning

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Title
Record high levoglucosan concentrations in the NEEM snowpit due to long-range transport after biomass burning
Authors
Kang, Jung-Ho
Hwang, Heejin
Hong, Sang-Bum
Hur, Soon Do
Kang, Gum-Young
Baek, Jey-Hyun
Issue Date
2015
Citation
Kang, Jung-Ho., et al. 2015. Record high levoglucosan concentrations in the NEEM snowpit due to long-range transport after biomass burning. 2015 Fall Joint Conference of Geological Science of Korea. JeJu, 2015.10.28.-31.
Abstract
Biomass burning is a major source of greenhouse gases and can influence regional to global climate system. We use the specific biomarker levoglucosan (1,6-anhydro-β-D-glucopyranose) as a source-specific proxy of past fire activity in snowpits and ice cores. We analyse the snow samples collected from a 3.2-m depth snowpit at NEEM, Greenland (77°26´N, 51°03´W, 2461 m a.s.l.). The snowpit levoglucosan profile replicates light carboxylic acid (oxalate) concentration and ammonium concentration, which are traditionally used as biomass burning proxies in snow and ice. The profile of levoglucosan and other organic proxies suggest the applicability of levoglucosan as a past fire activity marker and can help determine the past biomass burning contribution in the Greenland snowpits and ice cores.
Conference Name
2015 Fall Joint Conference of Geological Science of Korea
Conference Place
JeJu
Conference Date
20151028-31
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