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Enhanced light absorption by mixed source black and brown carbon particles in UK winter

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Enhanced light absorption by mixed source black and brown carbon particles in UK winter. / Liu, Shang; Aiken, Allison C.; Gorkowski, Kyle; Dubey, Manvendra K.; Cappa, Christopher D.; Williams, Leah R.; Herndon, Scott C.; Massoli, Paola; Fortner, Edward C.; Chhabra, Puneet S.; Brooks, William A.; Onasch, Timothy B.; Jayne, John T.; Worsnop, Douglas R.; China, Swarup; Sharma, Noopur; Mazzoleni, Claudio; Xu, Lu; Ng, Nga L.; Liu, Dantong; Allan, James D.; Lee, James D.; Fleming, Zoë L.; Mohr, Claudia; Zotter, Peter; Szidat, Sönke; Prévôt, André S H.

In: Nature Communications, Vol. 6, 8435, 30.09.2015, p. 1-10.

Research output: Contribution to journalArticle

Harvard

Liu, S, Aiken, AC, Gorkowski, K, Dubey, MK, Cappa, CD, Williams, LR, Herndon, SC, Massoli, P, Fortner, EC, Chhabra, PS, Brooks, WA, Onasch, TB, Jayne, JT, Worsnop, DR, China, S, Sharma, N, Mazzoleni, C, Xu, L, Ng, NL, Liu, D, Allan, JD, Lee, JD, Fleming, ZL, Mohr, C, Zotter, P, Szidat, S & Prévôt, ASH 2015, 'Enhanced light absorption by mixed source black and brown carbon particles in UK winter', Nature Communications, vol. 6, 8435, pp. 1-10. https://doi.org/10.1038/ncomms9435

APA

Liu, S., Aiken, A. C., Gorkowski, K., Dubey, M. K., Cappa, C. D., Williams, L. R., ... Prévôt, A. S. H. (2015). Enhanced light absorption by mixed source black and brown carbon particles in UK winter. Nature Communications, 6, 1-10. [8435]. https://doi.org/10.1038/ncomms9435

Vancouver

Liu S, Aiken AC, Gorkowski K, Dubey MK, Cappa CD, Williams LR et al. Enhanced light absorption by mixed source black and brown carbon particles in UK winter. Nature Communications. 2015 Sep 30;6:1-10. 8435. https://doi.org/10.1038/ncomms9435

Author

Liu, Shang ; Aiken, Allison C. ; Gorkowski, Kyle ; Dubey, Manvendra K. ; Cappa, Christopher D. ; Williams, Leah R. ; Herndon, Scott C. ; Massoli, Paola ; Fortner, Edward C. ; Chhabra, Puneet S. ; Brooks, William A. ; Onasch, Timothy B. ; Jayne, John T. ; Worsnop, Douglas R. ; China, Swarup ; Sharma, Noopur ; Mazzoleni, Claudio ; Xu, Lu ; Ng, Nga L. ; Liu, Dantong ; Allan, James D. ; Lee, James D. ; Fleming, Zoë L. ; Mohr, Claudia ; Zotter, Peter ; Szidat, Sönke ; Prévôt, André S H. / Enhanced light absorption by mixed source black and brown carbon particles in UK winter. In: Nature Communications. 2015 ; Vol. 6. pp. 1-10.

Bibtex - Download

@article{7f92a18b8b6746f7ac8737d22faf8076,
title = "Enhanced light absorption by mixed source black and brown carbon particles in UK winter",
abstract = "Black carbon (BC) and light-absorbing organic carbon (brown carbon, BrC) play key roles in warming the atmosphere, but the magnitude of their effects remains highly uncertain. Theoretical modelling and laboratory experiments demonstrate that coatings on BC can enhance BC{\^a} ™ s light absorption, therefore many climate models simply assume enhanced BC absorption by a factor of {\^a}1/41.5. However, recent field observations show negligible absorption enhancement, implying models may overestimate BC{\^a} ™ s warming. Here we report direct evidence of substantial field-measured BC absorption enhancement, with the magnitude strongly depending on BC coating amount. Increases in BC coating result from a combination of changing sources and photochemical aging processes. When the influence of BrC is accounted for, observationally constrained model calculations of the BC absorption enhancement can be reconciled with the observations. We conclude that the influence of coatings on BC absorption should be treated as a source and regionally specific parameter in climate models.",
author = "Shang Liu and Aiken, {Allison C.} and Kyle Gorkowski and Dubey, {Manvendra K.} and Cappa, {Christopher D.} and Williams, {Leah R.} and Herndon, {Scott C.} and Paola Massoli and Fortner, {Edward C.} and Chhabra, {Puneet S.} and Brooks, {William A.} and Onasch, {Timothy B.} and Jayne, {John T.} and Worsnop, {Douglas R.} and Swarup China and Noopur Sharma and Claudio Mazzoleni and Lu Xu and Ng, {Nga L.} and Dantong Liu and Allan, {James D.} and Lee, {James D.} and Fleming, {Zo{\"e} L.} and Claudia Mohr and Peter Zotter and S{\"o}nke Szidat and Pr{\'e}v{\^o}t, {Andr{\'e} S H}",
year = "2015",
month = "9",
day = "30",
doi = "10.1038/ncomms9435",
language = "English",
volume = "6",
pages = "1--10",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Enhanced light absorption by mixed source black and brown carbon particles in UK winter

AU - Liu, Shang

AU - Aiken, Allison C.

AU - Gorkowski, Kyle

AU - Dubey, Manvendra K.

AU - Cappa, Christopher D.

AU - Williams, Leah R.

AU - Herndon, Scott C.

AU - Massoli, Paola

AU - Fortner, Edward C.

AU - Chhabra, Puneet S.

AU - Brooks, William A.

AU - Onasch, Timothy B.

AU - Jayne, John T.

AU - Worsnop, Douglas R.

AU - China, Swarup

AU - Sharma, Noopur

AU - Mazzoleni, Claudio

AU - Xu, Lu

AU - Ng, Nga L.

AU - Liu, Dantong

AU - Allan, James D.

AU - Lee, James D.

AU - Fleming, Zoë L.

AU - Mohr, Claudia

AU - Zotter, Peter

AU - Szidat, Sönke

AU - Prévôt, André S H

PY - 2015/9/30

Y1 - 2015/9/30

N2 - Black carbon (BC) and light-absorbing organic carbon (brown carbon, BrC) play key roles in warming the atmosphere, but the magnitude of their effects remains highly uncertain. Theoretical modelling and laboratory experiments demonstrate that coatings on BC can enhance BCâ ™ s light absorption, therefore many climate models simply assume enhanced BC absorption by a factor of â1/41.5. However, recent field observations show negligible absorption enhancement, implying models may overestimate BCâ ™ s warming. Here we report direct evidence of substantial field-measured BC absorption enhancement, with the magnitude strongly depending on BC coating amount. Increases in BC coating result from a combination of changing sources and photochemical aging processes. When the influence of BrC is accounted for, observationally constrained model calculations of the BC absorption enhancement can be reconciled with the observations. We conclude that the influence of coatings on BC absorption should be treated as a source and regionally specific parameter in climate models.

AB - Black carbon (BC) and light-absorbing organic carbon (brown carbon, BrC) play key roles in warming the atmosphere, but the magnitude of their effects remains highly uncertain. Theoretical modelling and laboratory experiments demonstrate that coatings on BC can enhance BCâ ™ s light absorption, therefore many climate models simply assume enhanced BC absorption by a factor of â1/41.5. However, recent field observations show negligible absorption enhancement, implying models may overestimate BCâ ™ s warming. Here we report direct evidence of substantial field-measured BC absorption enhancement, with the magnitude strongly depending on BC coating amount. Increases in BC coating result from a combination of changing sources and photochemical aging processes. When the influence of BrC is accounted for, observationally constrained model calculations of the BC absorption enhancement can be reconciled with the observations. We conclude that the influence of coatings on BC absorption should be treated as a source and regionally specific parameter in climate models.

UR - http://www.scopus.com/inward/record.url?scp=84943166860&partnerID=8YFLogxK

U2 - 10.1038/ncomms9435

DO - 10.1038/ncomms9435

M3 - Article

VL - 6

SP - 1

EP - 10

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

M1 - 8435

ER -