| Light absorption characteristics of carbonaceous aerosols in two remote stations of the southern fringe of the Tibetan Plateau, China | |
| Li, CL (Li, Chaoliu)1,3; Yan, FP (Yan, Fangping)2; Kang, SC (Kang, Shichang)2,3; Chen, PF (Chen, Pengfei)2; Hu, ZF (Hu, Zhaofu)2,4; Gao, SP (Gao, Shaopeng)1; Qu, B (Qu, Bin)5; Sillanpaa, M (Sillanpaa, Mika)5,6; Li, CL | |
| Source Publication | ATMOSPHERIC ENVIRONMENT
 |
| 2016 | |
| Volume | 143Issue:0Pages:79-85 |
| DOI | 10.1016/j.atmosenv.2016.08.042 |
| Abstract | Light absorption characteristics of carbonaceous aerosols are key considerations in climate forcing research. However, in situ measurement data are limited, especially on the Tibetan Plateau (TP) - the Third Pole of the world. In this study, the mass absorption cross section (MAC) of elemental carbon (EC) and water soluble organic carbon (WSOC) of total suspended particles at two high-altitude stations (Lulang station and Everest station) in the Tibetan Plateau (TP) were investigated. The mean MAC(EC) values at 632 nm were 6.85 +/- 1.39 m(2) g(-1) and 6.49 +/- 2.81 m(2) g(-1) at these two stations, both of which showed little seasonal variations and were slightly higher than those of EC of uncoated particles, indicating that the enhancement of MAC(EC) by factors such as coating with organic aerosols was not significant. The mean MAC(WSOC) values at 365 nm were 0.84 +/- 0.40 m(2) g(-1) and 1.18 +/- 0.64 m(2) g(-1) at the two stations. Obvious seasonal variations of high and low MACwsoc values appeared in winter and summer, respectively, mainly reflecting photobleaching of light absorption components of WSOC caused by fluctuations in sunlight intensity. Therefore, this phenomenon might also exists in other remote areas of the world. The relative contributions of radiative forcing of WSOC to EC were 6.03 +/- 3.62% and 11.41 +/- 7.08% at these two stations, with a higher ratio in winter. As a result, both the contribution of WSOC to radiative forcing of carbonaceous aerosols and its seasonal variation need to be considered in radiative forcing related study. (C) 2016 Elsevier Ltd. All rights reserved. |
| Subject Area | 自然地理学 |
| WOS ID | WOS:000383932400008 |
| Language | 英语 |
| Indexed By | SCI |
| Keyword | Soluble Organic-carbon Nam Co Region 5079 m A.s.l. Black Carbon Brown Carbon Chemical Characteristics Source Apportionment Optical-properties Elemental Carbon Lhasa City |
| Cooperation Status | 国际 |
| Department | 环境 |
| Subtype | Article |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.itpcas.ac.cn/handle/131C11/7594 |
| Collection | 图书馆 |
| Corresponding Author | Li, CL |
| Affiliation | 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China 3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, FI-50130 Mikkeli, Finland 6.Florida Int Univ, Dept Civil & Environm Engn, Miami, FL 33174 USA |
| Recommended Citation GB/T 7714 | Li, CL ,Yan, FP ,Kang, SC ,et al. Light absorption characteristics of carbonaceous aerosols in two remote stations of the southern fringe of the Tibetan Plateau, China[J]. ATMOSPHERIC ENVIRONMENT,2016,143(0):79-85. |
| APA | Li, CL .,Yan, FP .,Kang, SC .,Chen, PF .,Hu, ZF .,...&Li, CL.(2016).Light absorption characteristics of carbonaceous aerosols in two remote stations of the southern fringe of the Tibetan Plateau, China.ATMOSPHERIC ENVIRONMENT,143(0),79-85. |
| MLA | Li, CL ,et al."Light absorption characteristics of carbonaceous aerosols in two remote stations of the southern fringe of the Tibetan Plateau, China".ATMOSPHERIC ENVIRONMENT 143.0(2016):79-85. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| V.143 79-85 2016.pdf（1196KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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