Water/Methanol-Insoluble Brown Carbon Can Dominate Aerosol-Enhanced Light Absorption in Port Cities

被引:33
作者
Bai, Zhe [1 ,2 ]
Zhang, Linyuan [2 ]
Cheng, Yi [1 ]
Zhang, Wei [1 ]
Mao, Junfang [1 ]
Chen, Hui [1 ,2 ]
Li, Ling [1 ,2 ]
Wang, Lina [1 ,2 ]
Chen, Jianmin [1 ,2 ]
机构
[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China
[2] Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
关键词
SECONDARY ORGANIC AEROSOL; HUMIC-LIKE SUBSTANCES; CHARGE-TRANSFER COMPLEXES; ATMOSPHERIC TAR BALLS; MOLECULAR CHARACTERIZATION; AROMATIC-COMPOUNDS; BLACK CARBON; CHEMICAL-CHARACTERIZATION; PARTICULATE MATTER; ANGSTROM EXPONENT;
D O I
10.1021/acs.est.0c03844
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Light absorption enhancement (E-a(bs)) of black carbon (BC) is a key factor in global climate models and is impacted by brown carbon (BrC) and the lensing effect of coatings. We conducted an in-depth field study on E-abs for ambient aerosols at a monitoring point in Shanghai, China, by real-time aerosol optical property monitoring and high-performance liquid chromatography/diode array detector/quadrupole-time-of-flight mass spectrometry (HPLC/DAD/QToF-MS) analysis. The results showed E-abs at lambda = 530 nm caused by the lensing effect was about 1.39 +/- 027, accounting for 18.84% of the total light absorption. In this study, BrC is classified as soluble BrC (soluble in both water and methanol) or insoluble BrC ( insoluble in both water and methanol). Soluble BrC accounted for 13.68 +/- 11.15% of the total aerosol light absorption. For the first time, we concluded that insoluble BrC can contribute more than 60 and 97% of total aerosol and BrC light absorption in port cities, respectively. The molecular analysis of soluble BrC identified N-containing aromatic compounds (4-nitrophenol, 4-nitrocatechol, methyl nitrophenol, methyl nitrocatechols, and nitro-1-naphthol) commonly observed in biomass burning emissions or biomass burning-impacted atmospheres. A series of components (C16H26 O3S, C17H28O3S, C18H30O3S, and C19H32O3S) were determined to be emissions from nearby cargo ships filled with heavy fuel oil (HFO), which further confirmed that insoluble BrC emitted from cargo ships could be the largest contributor to E-abs. This study confirms the global significance of evaluating HFO used in port cities in climate models. The control measures of cargo ship emission should be considered for the related environmental and health issues in port cities.
引用
收藏
页码:14889 / 14898
页数:10
相关论文
共 80 条
[1]   Changes of ns-soot mixing states and shapes in an urban area during CalNex [J].
Adachi, Kouji ;
Buseck, Peter R. .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2013, 118 (09) :3723-3730
[2]   Brown carbon spheres in East Asian outflow and their optical properties [J].
Alexander, Duncan T. L. ;
Crozier, Peter A. ;
Anderson, James R. .
SCIENCE, 2008, 321 (5890) :833-836
[3]   SOOT CARBON AND EXCESS FINE POTASSIUM - LONG-RANGE TRANSPORT OF COMBUSTION-DERIVED AEROSOLS [J].
ANDREAE, MO .
SCIENCE, 1983, 220 (4602) :1148-1151
[4]   Composition of volatile products of flash pyrolysis of natural asphaltite and its resin-asphaltene and oil components [J].
Antipenko, V. R. ;
Melenevskii, V. N. .
PETROLEUM CHEMISTRY, 2012, 52 (06) :373-382
[5]   Solar absorption by elemental and brown carbon determined from spectral observations [J].
Bahadur, Ranjit ;
Praveen, Puppala S. ;
Xu, Yangyang ;
Ramanathan, V. .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2012, 109 (43) :17366-17371
[6]   Estimation of the mass absorption cross section of the organic carbon component of aerosols in the Mexico City Metropolitan Area [J].
Barnard, J. C. ;
Volkamer, R. ;
Kassianov, E. I. .
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2008, 8 (22) :6665-6679
[7]   Limitations in the enhancement of visible light absorption due to mixing state [J].
Bond, Tami C. ;
Habib, Gazala ;
Bergstrom, Robert W. .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2006, 111 (D20)
[8]   Response to Comment on "Radiative Absorption Enhancements Due to the Mixing State of Atmospheric Black Carbon" [J].
Cappa, Christopher D. ;
Onasch, Timothy B. ;
Massoli, Paola ;
Worsnop, Douglas R. ;
Bates, Timothy S. ;
Cross, Eben S. ;
Davidovits, Paul ;
Hakala, Jani ;
Hayden, Katherine L. ;
Jobson, B. Tom ;
Kolesar, Katheryn R. ;
Lack, Daniel A. ;
Lerner, Brian M. ;
Li, Shao-Meng ;
Mellon, Daniel ;
Nuaaman, Ibraheem ;
Olfert, Jason S. ;
Petaja, Tuukka ;
Quinn, Patricia K. ;
Song, Chen ;
Subramanian, R. ;
Williams, Eric J. ;
Zaveri, Rahul A. .
SCIENCE, 2013, 339 (6118)
[9]   Radiative Absorption Enhancements Due to the Mixing State of Atmospheric Black Carbon [J].
Cappa, Christopher D. ;
Onasch, Timothy B. ;
Massoli, Paola ;
Worsnop, Douglas R. ;
Bates, Timothy S. ;
Cross, Eben S. ;
Davidovits, Paul ;
Hakala, Jani ;
Hayden, Katherine L. ;
Jobson, B. Tom ;
Kolesar, Katheryn R. ;
Lack, Daniel A. ;
Lerner, Brian M. ;
Li, Shao-Meng ;
Mellon, Daniel ;
Nuaaman, Ibraheem ;
Olfert, Jason S. ;
Petaja, Tuukka ;
Quinn, Patricia K. ;
Song, Chen ;
Subramanian, R. ;
Williams, Eric J. ;
Zaveri, Rahul A. .
SCIENCE, 2012, 337 (6098) :1078-1081
[10]   Relating aerosol absorption due to soot, organic carbon, and dust to emission sources determined from in-situ chemical measurements [J].
Cazorla, A. ;
Bahadur, R. ;
Suski, K. J. ;
Cahill, J. F. ;
Chand, D. ;
Schmid, B. ;
Ramanathan, V. ;
Prather, K. A. .
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2013, 13 (18) :9337-9350