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Biomass burning source identification through molecular markers in cryoconites over the Tibetan Plateau
Li, QL (Li, Quanlian)1; Wang, NL (Wang, Ninglian)2,3,4; Barbante, C (Barbante, Carlo)5,6; Kang, SC (Kang, Shichang)1,7,8; Callegaro, A (Callegaro, Alice)5,6; Battistel, D (Battistel, Dario)5,6; Argiriadis, E (Argiriadis, Elena)5; Wan, X (Wan, Xin)9; Yao, P (Yao, Ping)7,9; Pu, T (Pu, Tao)1; Wu, XB (Wu, Xiaobo)1; Han, Y (Han, Yu)10; Huai, YP (Huai, Yanping)10
Source PublicationENVIRONMENTAL POLLUTION
2019
Volume244Issue:0Pages:209-217
DOI10.1016/j.envpol.2018.10.037
Abstract

Cryoconite is a dark, dusty aggregate of mineral particles, organic matter, and microorganisms transported by wind and deposited on glacier surfaces. It can accelerate glacier melting and alter glacier mass balances by reducing the surface albedo of glaciers. Biomass burning in the Tibetan Plateau, especially in the glacier cryoconites, is poorly understood. Retene, levoglucosan, mannosan and galactosan can be generated by the local fires or transported from the biomass burning regions over long distances. In the present study, we analyzed these four molecular markers in cryoconites of seven glaciers from the northern to southern Tibetan Plateau. The highest levels of levoglucosan and retene were found in cryoconites of the Yulong Snow Mountain and Tienshan glaciers with 171.4 +/- 159.4 ng g(-1) and 47.0 +/- 10.5 ng g(-1) dry weight (d.w.), respectively. The Murtag glacier in the central Tibetan Plateau contained the lowest levels of levoglucosan and retene with mean values of 59.8 ng g(-1) and 0.4 +/- 0.1 ng g(-1) d.w., respectively. In addition, the vegetation changes and the ratios of levoglucosan to mannosan and retene indicate that combustion of conifers significantly contributes to biomass burning of the cryoconites in the Yulong Snow Mountain and Tienshan glacier. Conversely, biomass burning tracers in cryoconites of Dongkemadi, Yuzhufeng, Murtag, Qiyi and Laohugou glaciers are derived from the combustion of different types of biomass including softwood, hardwood and grass. (C) 2018 Elsevier Ltd. All rights reserved.

Subject AreaEnvironmental Sciences
WOS IDWOS:000452940700024
Language英语
Indexed BySCI
KeywordFine-particle Emissions Polycyclic Aromatic-hydrocarbons Chemical-characterization Fireplace Combustion Organic-matter Asia Biomass South-asia Levoglucosan Northern Tracers
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
Cooperation Status国际
ISSN0269-7491
Department环境变化与地表过程
URL查看原文
PublisherELSEVIER SCI LTD
SubtypeArticle
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9464
Collection图书馆
Corresponding AuthorLi, QL (Li, Quanlian)
Affiliation1.Chinese Acad Sci, State Key Lab Cryospher Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Gansu, Peoples R China;
2.Shaanxi Key Lab Earth Surface Syst & Environm Car, Xian 710127, Shaanxi, Peoples R China;
3.Northwest Univ, Inst Earth Surface Syst & Hazards, Xian 710127, Shaanxi, Peoples R China;
4.Northwest Univ, Coll Urban & Environm Sci, Xian 710127, Shaanxi, Peoples R China;
5.Univ Venice, Dept Environm Sci Informat & Stat CaFoscari, I-30172 Venice, Italy;
6.CNR, Inst Dynam Environm Proc, I-30172 Venice, Italy;
7.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China;
8.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
9.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China;
10.Surveying & Mapping Engn Inst Gansu Prov, Lanzhou, Gansu, Peoples R China.
Recommended Citation
GB/T 7714
Li, QL ,Wang, NL ,Barbante, C ,et al. Biomass burning source identification through molecular markers in cryoconites over the Tibetan Plateau[J]. ENVIRONMENTAL POLLUTION,2019,244(0):209-217.
APA Li, QL .,Wang, NL .,Barbante, C .,Kang, SC .,Callegaro, A .,...&Huai, YP .(2019).Biomass burning source identification through molecular markers in cryoconites over the Tibetan Plateau.ENVIRONMENTAL POLLUTION,244(0),209-217.
MLA Li, QL ,et al."Biomass burning source identification through molecular markers in cryoconites over the Tibetan Plateau".ENVIRONMENTAL POLLUTION 244.0(2019):209-217.
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