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A missing component of Arctic warming: black carbon from gas flaring

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Title
A missing component of Arctic warming: black carbon from gas flaring
Other Titles
북극 온난화의 누락된 요소: 가스 플레어링에 의한 블랙카본
Authors
Cho, Mee-Hyun
박록진
윤진호
최용한
정재인
Lev Labzovskii
Joshua S. Fu
Kan Huang
정수종
Kim, Baek-Min
Keywords
Arctic warming; black carbon; gas flaring; sea-ice melting
Issue Date
2019
Citation
Cho, Mee-Hyun, et al. 2019. "A missing component of Arctic warming: black carbon from gas flaring". ENVIRONMENTAL RESEARCH LETTERS, 14(9): 94011-94011.
Abstract
Gas flaring during oil extraction over the Arctic region is the primary source of warming-inducing aerosols (e.g., black carbon (BC)) with a strong potential to affect regional climate change. Despite continual BC emissions near the Arctic Ocean via gas flaring, the climatic impacts of BC related to gas flaring remain uncertain. Here, we present simulations of potential gas flaring using an earth system model with comprehensive aerosol physics that to show that increases in BC from gas flaring can potentially explain a significant fraction of Arctic warming. BC emissions from gas flaring over high latitudes contribute to locally confined warming over the source region, especially during the Arctic spring through BC-induced local albedo reduction. This local warming invokes remote and temporally lagging sea-ice melting feedback processes over the Arctic Ocean during winter. Our findings imply that a regional change in anthropogenic aerosol forcing is capable of changing Arctic temperatures in regions far from the aerosol source via time-lagged, sea-ice-related Arctic physical processes. We suggest that both energy consumption and production processes can increase Arctic warming.
URI
http://repository.kopri.re.kr/handle/201206/10145
DOI
http://dx.doi.org/10.1088/1748-9326/ab374d
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