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    Author(s): Wei Min Hao; Alexander Petkov; Bryce L. Nordgren; Rachel E. Corley; Robin P. Silverstein; Shawn P. Urbanski; Nikolaos Evangeliou; Yves Balkanski; Bradley L. Kinder
    Date: 2016
    Source: Geoscientific Model Development. 9: 4461-4474.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (3.0 MB)

    Description

    Black carbon (BC) emitted from fires in northern Eurasia is transported and deposited on ice and snow in the Arctic and can accelerate its melting during certain times of the year. Thus, we developed a high spatial resolution (500m x 500 m) dataset to examine daily BC emissions from fires in this region for 2002-2015. Black carbon emissions were estimated based on MODIS (Moderate Resolution Imaging Spectroradiometer) land cover maps and detected burned areas, the Forest Inventory Survey of the Russian Federation, the International Panel on Climate Change (IPCC) Tier-1 Global Biomass Carbon Map for the year 2000, and vegetation specific BC emission factors. Annual BC emissions from northern Eurasian fires varied greatly, ranging from 0.39 Tg in 2010 to 1.82 Tg in 2015, with an average of 0.71 ± 0.37Tg from 2002 to 2015. During the 14-year period, BC emissions from forest fires accounted for about two-thirds of the emissions, followed by grassland fires (18 %). Russia dominated the BC emissions from forest fires (92 %) and central and western Asia was the major region for BC emissions from grassland fires (54 %). Overall, Russia contributed 80% of the total BC emissions from fires in northern Eurasia. Black carbon emissions were the highest in the years 2003, 2008, and 2012. Approximately 58% of the BC emissions from fires occurred in spring, 31% in summer, and 10% in fall. The high emissions in spring also coincide with the most intense period of ice and snow melting in the Arctic.

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    Citation

    Hao, Wei Min; Petkov, Alexander; Nordgren, Bryce L.; Corley, Rachel E.; Silverstein, Robin P.; Urbanski, Shawn P.; Evangeliou, Nikolaos; Balkanski, Yves; Kinder, Bradley L. 2016. Daily black carbon emissions from fires in northern Eurasia for 2002-2015. Geoscientific Model Development. 9: 4461-4474.

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    Keywords

    black carbon (BC) emissions, fire, snow melting, Eurasia, Arctic

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