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Impact of particulate and dissolved material on light absorption properties in a High-Altitude Lake in Tibet, China
作者: Nima, C; Hamre, B; Frette, O; Erga, SR; Chen, YC; Zhao, L; Sorensen, K; Norli, M; Lu, DR; Xing, QianGuo(邢前国); Ma, YM; Gelsor, N; Stamnes, JJ
ISSN号: 0018-8158
出版日期: 2016-03-01
卷号: 768, 期号:1, 页码:63-79
关键词: High-altitude lake ; Colored dissolved organic matter ; Phytoplankton ; Total suspended matter
DOI: 10.1007/s10750-015-2528-2
产权排序: [Nima, Ciren; Hamre, Borge; Frette, Oyvind; Chen, Yi-Chun; Zhao, Lu; Stamnes, Jakob J.] Univ Bergen, Dept Phys & Technol, N-5020 Bergen, Norway; [Nima, Ciren; Gelsor, Norsang] Tibet Univ, Dept Phys, Tibet Autonomous Region 850000, Lhasa, Peoples R China; [Erga, Svein Rune] Univ Bergen, Dept Biol, N-5020 Bergen, Norway; [Sorensen, Kai; Norli, Marit] Norwegian Inst Water Res, N-0349 Oslo, Norway; [Lu, Da-Ren] Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China; [Xing, Qian-Guo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264000, Peoples R China; [Ma, Yao-Ming] Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100000, Peoples R China
通讯作者: Nima, C (reprint author), Univ Bergen, Dept Phys & Technol, N-5020 Bergen, Norway.
作者部门: 海岸带信息集成与综合管理实验室
英文摘要: Ground-based measurements of optical properties have rarely been conducted for lakes located on the Tibetan Plateau (TP). In this study, we analyzed the spectral absorption properties of phytoplankton, non-algal particles, and colored dissolved organic matter sampled in Lake Namtso on the TP in order to obtain the variability in the light absorption properties of each of these three components and the relative contribution of each component. The Chlorophyll-a concentration was found to be very low. The mean value of the spectral slope for CDOM absorption was found to be 0.036 nm, whereas the corresponding mean value for was found to be 0.015 nm, implying that when comparing spectral slope values with published values, the wavelength range used for deriving them should be considered. Additional peaks were found for phytoplankton sampled in Lake Namtso in the wavelength ranges 310-370 and 600-640 nm, indicating a significant contribution by accessory pigments to the phytoplankton absorption. The Chlorophyll-a specific absorption coefficients of phytoplankton at 440 and 675 nm in Lake Namtso were found to be much higher than previously reported values, due to the combination of a small package effect and contributions by accessory pigments.
研究领域[WOS]: Marine & Freshwater Biology
项目资助者: Network for University Cooperation Tibet-Norway ; Norwegian Research Council(209681) ; External Cooperation Program of the Chinese Academy of Sciences(GJHZ1207)
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000369001400005
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内容类型: 期刊论文
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作者单位: 1.Univ Bergen, Dept Phys & Technol
2.Tibet Univ, Dept Phys
3.Univ Bergen, Dept Biol
4.Norwegian Inst Water Res
5.Chinese Acad Sci, Inst Atmospher Phys
6.Chinese Acad Sci, Yantai Inst Coastal Zone Res
7.Chinese Acad Sci, Inst Tibetan Plateau Res

Recommended Citation:
Nima, C,Hamre, B,Frette, O,et al. Impact of particulate and dissolved material on light absorption properties in a High-Altitude Lake in Tibet, China[J]. HYDROBIOLOGIA,2016,768(1):63-79.
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