| Light absorption properties of brown carbon over the southeastern Tibetan Plateau | |
| Zhu, Chong-Shu1; Cao, Jun-Ji1; Huang, Ru-Jin1; Shen, Zhen-Xing2; Wang, Qi-Yuan1; Zhang, Ning-Ning1 | |
| 2018-06-01 | |
| 发表期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 卷号 | 625期号:2018页码:246-251 |
| 文章类型 | Article |
| 摘要 | We present a study of the light-absorbing properties of water-soluble brown carbon (WS-BrC) and methanolsoluble brown carbon (MeS-BrC) at a remote site (Lulang, 3326 m above sea level) in the southeastern Tibetan Plateau during the period 2015-2016. The light absorption coefficients at 365 nm (b(abs365)) of WS-BrC and MeS-BrC were the highest during winter and the lowest during monsoon season. MeS-BrC absorbs about 1.5 times higher at 365 nm compared to WS-BrC. The absorption at 550 nm appears lower compared to that of 365 nm for WS-BrC and MeS-BrC, respectively. Higher average value of the absorption Angstrom exponent (AAE, 365-550 nm) was obtained for MeS-BrC (8.2) than that for WS-BrC (6.9). The values of the mass absorption cross section at 365 nm (MAC(365)) indicated that BrC in winter absorbs UV-visible light more efficiently than in monsoon. The results confirm the importance of BrC in contributing to light-absorbing aerosols in this region. The understanding of the light absorption properties of BrC is of great importance, especially in modeling studies for the climate effects and transport of BrC in the Tibetan Plateau. (c) 2017 Elsevier B.V. All rights reserved. |
| 关键词 | Brown Carbon Light Absorption Coefficient Mass Absorption Cross Section Tibetan Plateau |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| DOI | 10.1016/j.scitotenv.2017.12.183 |
| 关键词[WOS] | SOLUBLE ORGANIC-CARBON ; BLACK CARBON ; SEASONAL-VARIATIONS ; OPTICAL-PROPERTIES ; ANGSTROM EXPONENT ; INLAND CHINA ; AEROSOL ; WATER ; URBAN ; EXTRACTS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:000426356600025 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ieecas.cn/handle/361006/5239 |
| 专题 | 粉尘与环境研究室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian 710061, Shaanxi, Peoples R China 2.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Chong-Shu,Cao, Jun-Ji,Huang, Ru-Jin,et al. Light absorption properties of brown carbon over the southeastern Tibetan Plateau[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018,625(2018):246-251. |
| APA | Zhu, Chong-Shu,Cao, Jun-Ji,Huang, Ru-Jin,Shen, Zhen-Xing,Wang, Qi-Yuan,&Zhang, Ning-Ning.(2018).Light absorption properties of brown carbon over the southeastern Tibetan Plateau.SCIENCE OF THE TOTAL ENVIRONMENT,625(2018),246-251. |
| MLA | Zhu, Chong-Shu,et al."Light absorption properties of brown carbon over the southeastern Tibetan Plateau".SCIENCE OF THE TOTAL ENVIRONMENT 625.2018(2018):246-251. |
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