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Black carbon and dust in the Third Pole glaciers: Revaluated concentrations, mass absorption cross-sections and contributions to glacier ablation
Li, Yang1,3; Kang, Shichang2,4; Zhang, Xuelei5; Chen, Jizu2; Schmale, Julia6; Li, Xiaofei7; Zhang, Yulan2; Niu, Hewen2; Li, Zhongqin2; Qin, Xiang2; He, Xiaobo2; Yang, Wei8; Zhang, Guoshuai8; Wang, Shijin2; Shao, Lili9; Tian, Lide1,3
通讯作者Kang, Shichang(shichang.kang@lzb.ac.cn)
2021-10-01
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号789页码:12
摘要In snow and ice, light-absorbing particles (LAN), such as black carbon (BC) and dust, accelerate the melting of Third Pole glaciers (TPGs). In this study, we revaluated LAP concentrations in the snow pits of TPGs (SP-TPGs), measured LAP mass absorption cross-sections (MACs), and simulated their effects on glacier darkening and melting based on the Spectral Albedo Model for Dirty Snow and a surface energy and mass balance model. The results indicated that because of their short distances to emission sources, the average BC concentrations measured in snow pits in the periphery of Third Pole were much higher than those measured in the inland Tibetan Plateau, and the average dust concentrations generally decreased from north to south. The average MACs of BC in the SP-TPCs varied from 3.1 to 7.7 m(2) g(-1) at 550 nm, most of the average spectral values were comparable in the visible and near-infrared bands to those calculated by Mie theory, except those in Urumqi Glacier No. 1 (UR), Syek Zapadniy Glacier (SZ), and Laohugou Glacier No.12 (LH), while the average spectral MACs of dust in the SP-TPGs were considerably smaller in magnitude than most of the variations measured in other regions. Compared with the pure snow surfaces. BC and dust played comparable roles in reducing albedo in UR, SZ, LH, and Renlongba Glacier, whereas BC was the most prominent absorber in the other glaciers. The combined effect of BC and dust accelerated melting by 30.4-345.9 mm w.e. (19.7-453% of the total mass balance) through surface albedo darkening (0.06-0.17) and increased radiation absorption (25.8-65.7 W m(-2)) within one month of the ablation season. This study provides a new data set of LAP concentrations and MACs and helps to clarify the roles of these factors in the cryospheric environment of the Third Pole. (C) 2021 Elsevier B.V. All tights reserved.
关键词Light-absorb particles Black carbon Albedo darkening Accelerated melting Third pole glaciers
DOI10.1016/j.scitotenv.2021.147746
关键词[WOS]LIGHT-ABSORBING IMPURITIES ; WESTERN QILIAN MOUNTAINS ; TIBETAN PLATEAU ; SNOW ALBEDO ; TIEN-SHAN ; NO. 12 ; ATMOSPHERIC-POLLUTION ; CRYOSPHERIC CHANGE ; ELEMENTAL CARBON ; POTENTIAL IMPACT
收录类别SCI ; SCI
语种英语
资助项目second Tibetan Plateau Scientific Expedition and Research Program[2019QZKK0605] ; Strategic Priority Research Program of Chinese Academy of Sciences (CAS), Pan-Third Pole Environment Study for a Green Silk Road (Pan-TPE)[XDA20040501] ; Frontier Science Key Project of CAS[QYZDJSSW-DQC039] ; National Natural Science Foundation of China[41630754] ; National Natural Science Foundation of China[41721091] ; National Natural Science Foundation of China[41901077] ; State Key Laboratory of Cryospheric Sciences[SKLCS-ZZ-2019] ; State Key Laboratory of Cryospheric Sciences[SKLCS-OP-2020-04] ; Ferring Pharmaceuticals
WOS研究方向Environmental Sciences & Ecology
项目资助者second Tibetan Plateau Scientific Expedition and Research Program ; Strategic Priority Research Program of Chinese Academy of Sciences (CAS), Pan-Third Pole Environment Study for a Green Silk Road (Pan-TPE) ; Frontier Science Key Project of CAS ; National Natural Science Foundation of China ; State Key Laboratory of Cryospheric Sciences ; Ferring Pharmaceuticals
WOS类目Environmental Sciences
WOS记录号WOS:000677551200002
出版者ELSEVIER
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/16886
专题粉尘与环境研究室
通讯作者Kang, Shichang
作者单位1.Yunnan Univ, Inst Int Rivers & Ecosecur, Kunming 650091, Yunnan, Peoples R China
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
3.Yunnan Univ, Yunnan Key Lab Int Rivers & Transboundary Ecosecu, Kunming 650091, Yunnan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130102, Peoples R China
6.Ecole Polytech Fed Lausanne, Sch Architecture Civil & Environm Engn, Lausanne, Switzerland
7.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
8.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
9.Qufu Normal Univ, Sch Geog & Tourism, Rizhao 276826, Peoples R China
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Li, Yang,Kang, Shichang,Zhang, Xuelei,et al. Black carbon and dust in the Third Pole glaciers: Revaluated concentrations, mass absorption cross-sections and contributions to glacier ablation[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,789:12.
APA Li, Yang.,Kang, Shichang.,Zhang, Xuelei.,Chen, Jizu.,Schmale, Julia.,...&Tian, Lide.(2021).Black carbon and dust in the Third Pole glaciers: Revaluated concentrations, mass absorption cross-sections and contributions to glacier ablation.SCIENCE OF THE TOTAL ENVIRONMENT,789,12.
MLA Li, Yang,et al."Black carbon and dust in the Third Pole glaciers: Revaluated concentrations, mass absorption cross-sections and contributions to glacier ablation".SCIENCE OF THE TOTAL ENVIRONMENT 789(2021):12.
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