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Potentially Toxic Trace Metals in Water and Lake-Bed Sediment of Panchpokhari, an Alpine Lake Series in the Central Himalayan Region of Nepal
Raut, R (Raut, Rosha)1; Bajracharya, RM (Bajracharya, Roshan Man)1; Sharma, S (Sharma, Subodh)1; Sharma, CM (Sharma, Chhatra Mani)1,2; Kang, SC (Kang, Shichang)3,4; Zhang, QG (Zhang, Qianggong)4,5; Tripathee, L (Tripathee, Lekhendra)2,3; Chen, PF (Chen, Pengfei)3; Rupakheti, D (Rupakheti, Dipesh)5; Guo, JM (Guo, Junming)5; Dongol, BS (Dongol, Bhawani S.)6; Raut, R
Source PublicationWATER AIR AND SOIL POLLUTION
2017
Volume228Issue:8Pages:303
DOI10.1007/s11270-017-3467-5
AbstractThis study assessed the level of potentially toxic trace metals (PTMs), seasonal variations, and their possible sources from the surface water and lake-bed sediment of Panchpokhari lake series, an alpine and glacial lake at 4160 m a.s.l. in Central Nepal. The lake series have five lakes, with Lake-1 larger than others. So, Lake-1 was investigated thoroughly during pre-monsoon and post-monsoon seasons. Sediment core was collected from the deepest basin of the Lake-1 during pre-monsoon. Most of the PTM concentrations were higher in the pre-monsoon season; however, Sc, Cr, Cu, Zn, As, and Ag were higher in the post-monsoon. This is an indication that the lake has been impacted either by natural or long-range transported atmospheric pollutants. Ti, Sb, and Ag had extremely high enrichment factor (EF) in waters, whereas Cd, Zn, and As had high EF in sediments indicating that these metals originated from anthropogenic sources. Furthermore, PTM concentrations in the sediment were in the increasing order of Hg
Subject Area自然地理学
WOS IDWOS:000406310400037
Language英语
Indexed BySCI
KeywordTibetan Plateau Heavy-metals Atmospheric Deposition Reference Element Headwater Lakes Ice Core Contamination Enrichment Mercury Soils
WOS Research AreaEnvironmental Sciences & Ecology; Meteorology & Atmospheric Sciences; Water Resources
WOS SubjectEnvironmental Sciences; Meteorology & Atmospheric Sciences; Water Resources
Cooperation Status国际
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8015
Collection图书馆
Corresponding AuthorRaut, R
Affiliation1.Kathmandu Univ, Sch Sci, Dept Environm Sci & Engn, Aquat Ecol Ctr, Kathmandu, Nepal.
2.Himalayan Environm Res Inst, Kathmandu, Nepal.
3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China.
4.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
6.World Wildlife Fund, Kathmandu, Nepal.
Recommended Citation
GB/T 7714
Raut, R ,Bajracharya, RM ,Sharma, S ,et al. Potentially Toxic Trace Metals in Water and Lake-Bed Sediment of Panchpokhari, an Alpine Lake Series in the Central Himalayan Region of Nepal[J]. WATER AIR AND SOIL POLLUTION,2017,228(8):303.
APA Raut, R .,Bajracharya, RM .,Sharma, S .,Sharma, CM .,Kang, SC .,...&Raut, R.(2017).Potentially Toxic Trace Metals in Water and Lake-Bed Sediment of Panchpokhari, an Alpine Lake Series in the Central Himalayan Region of Nepal.WATER AIR AND SOIL POLLUTION,228(8),303.
MLA Raut, R ,et al."Potentially Toxic Trace Metals in Water and Lake-Bed Sediment of Panchpokhari, an Alpine Lake Series in the Central Himalayan Region of Nepal".WATER AIR AND SOIL POLLUTION 228.8(2017):303.
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