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

Abstract

We report that 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’s light absorption, therefore many climate models simply assume enhanced BC absorption by a factor of ~1.5. However, recent field observations show negligible absorption enhancement, implying models may overestimate BC’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. In conclusion, we find that the influence of coatings on BC absorption should be treated as a source and regionally specific parameter in climate models.

Authors:
 [1];  [2];  [3];  [2];  [4];  [5];  [5];  [5];  [5];  [6];  [5];  [7];  [5];  [5];  [8];  [8]; ORCiD logo [8];  [9];  [9];  [10] more »;  [10];  [11];  [12]; ORCiD logo [13];  [14];  [15];  [16] « less
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Earth and Environmental Sciences Division; Univ. of Colorado, Boulder, CO (United States). Cooperative Inst. for Research in Environmental Sciences (CIRES)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Earth and Environmental Sciences Division
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Earth and Environmental Sciences Division; Carnegie Mellon Univ., Pittsburgh, PA (United States)
  4. Univ. of California, Davis, CA (United States)
  5. Aerodyne Research, Inc. Billerica, MA (United States)
  6. Aerodyne Research, Inc. Billerica, MA (United States); Univ. of Texas at Austin, Austin, TX (United States)
  7. Aerodyne Research, Inc. Billerica, MA (United States); Boston College, Boston, MA (United States)
  8. Michigan Technological Univ., Houghton, MI (United States)
  9. Georgia Inst. of Technology, Atlanta, GA (United States)
  10. Univ. of Manchester (United Kingdom)
  11. Univ. of York (United Kingdom)
  12. Univ. of Leicester (United Kingdom)
  13. Univ. of Washington, Seattle, WA (United States); Karlsruhe Inst. of Technology (KIT) (Germany)
  14. Paul Scherrer Inst. (PSI), Villigen (Switzerland); Lucerne University of Applied Sciences and Arts (Switzerland)
  15. Univ. of Bern, Bern (Switzerland)
  16. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
Publication Date:
Research Org.:
Univ. of California, Davis, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1252985
Grant/Contract Number:  
SC0008937; SC0010019; SC0006002
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

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, and Prévôt, André S. H. Enhanced light absorption by mixed source black and brown carbon particles in UK winter. United States: N. p., 2015. Web. doi:10.1038/ncomms9435.
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. United States. https://doi.org/10.1038/ncomms9435
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, and Prévôt, André S. H. Wed . "Enhanced light absorption by mixed source black and brown carbon particles in UK winter". United States. https://doi.org/10.1038/ncomms9435. https://www.osti.gov/servlets/purl/1252985.
@article{osti_1252985,
title = {Enhanced light absorption by mixed source black and brown carbon particles in UK winter},
author = {Liu, Shang and Aiken, Allison C. and Gorkowski, Kyle and Dubey, Manvendra K. and Cappa, Christopher D. and Williams, Leah R. and Herndon, Scott C. and Massoli, Paola 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 China, Swarup and Sharma, Noopur and Mazzoleni, Claudio and Xu, Lu and Ng, Nga L. and Liu, Dantong and Allan, James D. and Lee, James D. and Fleming, Zoë L. and Mohr, Claudia and Zotter, Peter and Szidat, Sönke and Prévôt, André S. H.},
abstractNote = {We report that 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’s light absorption, therefore many climate models simply assume enhanced BC absorption by a factor of ~1.5. However, recent field observations show negligible absorption enhancement, implying models may overestimate BC’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. In conclusion, we find that the influence of coatings on BC absorption should be treated as a source and regionally specific parameter in climate models.},
doi = {10.1038/ncomms9435},
journal = {Nature Communications},
number = ,
volume = 6,
place = {United States},
year = {Wed Sep 30 00:00:00 EDT 2015},
month = {Wed Sep 30 00:00:00 EDT 2015}
}

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journal, January 2018

  • Kumar, Nivedita K.; Corbin, Joel C.; Bruns, Emily A.
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 24
  • DOI: 10.5194/acp-18-17843-2018

Radiative absorption enhancements by black carbon controlled by particle-to-particle heterogeneity in composition
journal, February 2020

  • Fierce, Laura; Onasch, Timothy B.; Cappa, Christopher D.
  • Proceedings of the National Academy of Sciences, Vol. 117, Issue 10
  • DOI: 10.1073/pnas.1919723117

Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments
journal, March 2016

  • Peng, Jianfei; Hu, Min; Guo, Song
  • Proceedings of the National Academy of Sciences, Vol. 113, Issue 16
  • DOI: 10.1073/pnas.1602310113

A novel approach to calibrating a photoacoustic absorption spectrometer using polydisperse absorbing aerosol
journal, January 2019

  • Foster, Katie; Pokhrel, Rudra; Burkhart, Matthew
  • Atmospheric Measurement Techniques, Vol. 12, Issue 6
  • DOI: 10.5194/amt-12-3351-2019

Investigation of the absorption Ångström exponent and its relation to physicochemical properties for mini-CAST soot
text, January 2018


Vertical characterization of aerosol optical properties and brown carbon in winter in urban Beijing, China
journal, August 2018

  • Xie, Conghui; Xu, Weiqi; Wang, Junfeng
  • Atmospheric Chemistry and Physics Discussions
  • DOI: 10.5194/acp-2018-788

Evidence of major secondary organic aerosol contribution to lensing effect black carbon absorption enhancement
journal, December 2018

  • Zhang, Yunjiang; Favez, Olivier; Canonaco, Francesco
  • npj Climate and Atmospheric Science, Vol. 1, Issue 1
  • DOI: 10.1038/s41612-018-0056-2

An inter-comparison of black-carbon-related instruments in a laboratory study of biomass burning aerosol
text, January 2018


On the accuracy of aerosol photoacoustic spectrometer calibrations using absorption by ozone
journal, January 2018

  • Davies, Nicholas W.; Cottrell, Michael I.; Fox, Cathryn
  • Atmospheric Measurement Techniques Discussion
  • DOI: 10.5194/amt-2017-434

Radiative effect and climate impacts of brown carbon with the Community Atmosphere Model (CAM5)
journal, January 2018

  • Brown, Hunter; Liu, Xiaohong; Feng, Yan
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 24
  • DOI: 10.5194/acp-18-17745-2018

Effects of brown coatings on the absorption enhancement of black carbon: a numerical investigation
journal, January 2018


Sources and physicochemical characteristics of black carbon aerosol from the southeastern Tibetan Plateau: internal mixing enhances light absorption
journal, January 2018

  • Wang, Qiyuan; Cao, Junji; Han, Yongming
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 7
  • DOI: 10.5194/acp-18-4639-2018

Optical properties of black carbon in cookstove emissions coated with secondary organic aerosols: Measurements and modeling
journal, July 2016


Extensive Soot Compaction by Cloud Processing from Laboratory and Field Observations
journal, August 2019


Quantification of online removal of refractory black carbon using laser-induced incandescence in the single particle soot photometer [Supplemental Data]
preprint, April 2016

  • Aiken, Allison C.; McMeeking, Gavin R.; Levin, Ezra J. T.
  • figshare-Supplementary information for journal article at DOI: 10.1080/02786826.2016.1173647, 1 DOCX file (40.41 kB)
  • DOI: 10.6084/m9.figshare.3156049

Aerosol absorption retrieval at ultraviolet wavelengths in a complex environment
journal, January 2016

  • Kazadzis, Stelios; Raptis, Panagiotis; Kouremeti, Natalia
  • Atmospheric Measurement Techniques, Vol. 9, Issue 12
  • DOI: 10.5194/amt-9-5997-2016

Brown carbon in the continental outflow to the North Indian Ocean
journal, January 2019

  • Bikkina, Srinivas; Sarin, Manmohan
  • Environmental Science: Processes & Impacts, Vol. 21, Issue 6
  • DOI: 10.1039/c9em00089e

Quantifying black carbon light absorption enhancement with a novel statistical approach
journal, January 2018

  • Wu, Cheng; Wu, Dui; Yu, Jian Zhen
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 1
  • DOI: 10.5194/acp-18-289-2018

Deriving brown carbon from multiwavelength absorption measurements: method and application to AERONET and Aethalometer observations
journal, January 2016

  • Wang, Xuan; Heald, Colette L.; Sedlacek, Arthur J.
  • Atmospheric Chemistry and Physics, Vol. 16, Issue 19
  • DOI: 10.5194/acp-16-12733-2016

Modeling the aging process of black carbon during atmospheric transport using a new approach: a case study in Beijing
journal, January 2019

  • Zhang, Yuxuan; Li, Meng; Cheng, Yafang
  • Atmospheric Chemistry and Physics, Vol. 19, Issue 14
  • DOI: 10.5194/acp-19-9663-2019

Sulfate alters aerosol absorption properties in East Asian outflow
journal, March 2018


Optical properties of atmospheric fine particles near Beijing during the HOPE-J3A campaign
journal, January 2016

  • Xu, Xuezhe; Zhao, Weixiong; Zhang, Qilei
  • Atmospheric Chemistry and Physics, Vol. 16, Issue 10
  • DOI: 10.5194/acp-16-6421-2016

Amplification of light absorption of black carbon associated with air pollution
journal, January 2018

  • Zhang, Yuxuan; Zhang, Qiang; Cheng, Yafang
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 13
  • DOI: 10.5194/acp-18-9879-2018

An inter-comparison of black-carbon-related instruments in a laboratory study of biomass burning aerosol
journal, October 2018


Jury is still out on the radiative forcing by black carbon
journal, August 2016

  • Boucher, Olivier; Balkanski, Yves; Hodnebrog, Øivind
  • Proceedings of the National Academy of Sciences, Vol. 113, Issue 35
  • DOI: 10.1073/pnas.1607005113

Black carbon absorption at the global scale is affected by particle-scale diversity in composition
journal, September 2016

  • Fierce, Laura; Bond, Tami C.; Bauer, Susanne E.
  • Nature Communications, Vol. 7, Issue 1
  • DOI: 10.1038/ncomms12361

Biogenic and anthropogenic sources of aerosols at the High Arctic site Villum Research Station
journal, January 2019

  • Nielsen, Ingeborg E.; Skov, Henrik; Massling, Andreas
  • Atmospheric Chemistry and Physics, Vol. 19, Issue 15
  • DOI: 10.5194/acp-19-10239-2019

Radiative Properties of Atmospheric Black Carbon (Soot) Particles with Complex Structures
book, June 2019

  • He, Cenlin; Kokhanovsky, Alexander
  • Springer Series in Light Scattering: Volume 4: Light Scattering and Radiative Transfer, p. 219-254
  • DOI: 10.1007/978-3-030-20587-4_5

Biomass-burning-derived particles from a wide variety of fuels – Part 1: Properties of primary particles
journal, January 2020

  • McClure, Crystal D.; Lim, Christopher Y.; Hagan, David H.
  • Atmospheric Chemistry and Physics, Vol. 20, Issue 3
  • DOI: 10.5194/acp-20-1531-2020

Black carbon absorption at the global scale is affected by particle-scale diversity in composition
journal, September 2016

  • Fierce, Laura; Bond, Tami C.; Bauer, Susanne E.
  • Nature Communications, Vol. 7, Issue 1
  • DOI: 10.1038/ncomms12361

The colors of biomass burning aerosols in the atmosphere
journal, June 2016

  • Liu, Chao; Chung, Chul Eddy; Zhang, Feng
  • Scientific Reports, Vol. 6, Issue 1
  • DOI: 10.1038/srep28267

A Review of the Representation of Aerosol Mixing State in Atmospheric Models
journal, March 2019


Aerosol absorption retrieval at ultraviolet wavelengths in a complex environment
journal, August 2016

  • Kazadzis, Stelios; Raptis, Panagiotis I.; Kouremeti, Natalia
  • Atmospheric Measurement Techniques Discussions
  • DOI: 10.5194/amt-2016-273

Investigation of the absorption Ångström exponent and its relation to physicochemical properties for mini-CAST soot
journal, April 2018


Ageing and hygroscopicity variation of black carbon particles in Beijing measured by a quasi-atmospheric aerosol evolution study (QUALITY) chamber
journal, January 2017


On the accuracy of aerosol photoacoustic spectrometer calibrations using absorption by ozone
journal, January 2018

  • Davies, Nicholas W.; Cotterell, Michael I.; Fox, Cathryn
  • Atmospheric Measurement Techniques, Vol. 11, Issue 4
  • DOI: 10.5194/amt-11-2313-2018

Production of particulate brown carbon during atmospheric aging of residential wood-burning emissions
text, January 2018


Effects of mixing state on optical and radiative properties of black carbon in the European Arctic
journal, January 2018

  • Zanatta, Marco; Laj, Paolo; Gysel, Martin
  • Atmospheric Chemistry and Physics, Vol. 18, Issue 19
  • DOI: 10.5194/acp-18-14037-2018

Effects of photochemical oxidation on the mixing state and light absorption of black carbon in the urban atmosphere of China
journal, April 2017

  • Wang, Qiyuan; Huang, Rujin; Zhao, Zhuzi
  • Environmental Research Letters, Vol. 12, Issue 4
  • DOI: 10.1088/1748-9326/aa64ea

Evidence in biomass burning smoke for a light-absorbing aerosol with properties intermediate between brown and black carbon
journal, May 2019


Vertical characterization of aerosol optical properties and brown carbon in winter in urban Beijing, China
journal, January 2019

  • Xie, Conghui; Xu, Weiqi; Wang, Junfeng
  • Atmospheric Chemistry and Physics, Vol. 19, Issue 1
  • DOI: 10.5194/acp-19-165-2019

Simultaneous transmission and absorption photometry of carbon-black absorption from drop-cast particle-laden filters
journal, March 2019


Fine Particle Emissions from Sauna Stoves: Effects of Combustion Appliance and Fuel, and Implications for the Finnish Emission Inventory
journal, December 2019

  • Tissari, Jarkko; Väätäinen, Sampsa; Leskinen, Jani
  • Atmosphere, Vol. 10, Issue 12
  • DOI: 10.3390/atmos10120775

Emission factors and light absorption properties of brown carbon from household coal combustion in China
journal, January 2017

  • Sun, Jianzhong; Zhi, Guorui; Hitzenberger, Regina
  • Atmospheric Chemistry and Physics, Vol. 17, Issue 7
  • DOI: 10.5194/acp-17-4769-2017

Optical properties of atmospheric fine particles near Beijing during the HOPE-J3A Campaign
journal, November 2015


Effects of brown coatings on the absorption enhancement of black carbon: a numerical investigation
journal, June 2018

  • Luo, Jie; Zhang, Yongming; Wang, Feng
  • Atmospheric Chemistry and Physics Discussions
  • DOI: 10.5194/acp-2018-600

Quantification of online removal of refractory black carbon using laser-induced incandescence in the single particle soot photometer
journal, April 2016