ITPCAS OpenIR  > 图书馆
Spatial distribution, sources and risk assessment of potentially toxic trace elements and rare earth elements in soils of the Langtang Himalaya, Nepal
Tripathee, L (Tripathee, Lekhendra)1,3,6; Kang, SC (Kang, Shichang)1,2; Rupakheti, D (Rupakheti, Dipesh)4; Zhang, QG (Zhang, Qianggong)2,4; Bajracharya, RM (Bajracharya, Roshan Man)5; Sharma, CM (Sharma, Chhatra Mani)3,5,6; Huang, J (Huang, Jie)4,6; Gyawali, A (Gyawali, Ayush)5; Paudyal, R (Paudyal, Rukumesh)1,3; Sillanpaa, M (Sillanpaa, Mika)6; Kang, SC
Source PublicationENVIRONMENTAL EARTH SCIENCES
2016
Volume75Issue:19Pages:1332
DOI10.1007/s12665-016-6140-1
AbstractSoils in the fragile Himalayan region could be affected by the transport and deposition of potentially toxic trace metals (PTEs) from urban and industrialized areas of South Asia. The transported pollutants could pose a serious threat to the soil quality in the pristine regions at high elevations having minimal direct human influence. Therefore, it is important to understand the geochemical and physical characteristics of soils in this region and determine the extent of their chemical pollution. In order to achieve these objectives, soil samples were collected from different elevation transects of the Langtang Himalaya in Nepal. The samples were analyzed for PTEs and rare earth elements for the purpose of identifying their possible sources and to evaluate their environmental risk in the region. The PTEs and REEs concentrations were measured by ICP-MS (X-7; Thermo-elemental, USA) and total organic carbon (TOC) by TOC analyzer. The results of this study were comparable to those of the world average background soil as well as the Tibetan plateau surface soil. TOC revealed a decreasing trend with increasing elevation. Correlation analysis and principle component analysis (PCA) indicated that most of the elements were highly associated with major crustal elements, suggesting that their primary sources were of natural origin. Furthermore, the geo-accumulation index (I-geo), enrichment factor (EF) and pollution index (PI) analyses indicated that the Himalayan soils represent minimal pollution and the data from this study may be used as background values for the Himalayan region in the future studies. REEs in the soil samples were found to be consistent with an order of average abundance of the Earth's crust. In addition, the chondrite-normalized REE distribution of the light REE suggested enrichment of LREE and Eu depletion. Moreover, this study emphasized that soils of the Himalayan region could, in future, be under threat of elemental pollution from long-range transport via atmospheric circulation and deposition.
Subject Area自然地理学
WOS IDWOS:000385135100033
Language英语
Indexed BySCI
KeywordHeavy-metals Urban Soils Multivariate-analysis Agricultural Soils Continental-crust Tibetan Plateau Sediments Contamination Rivers China
Cooperation Status国际
Department环境
SubtypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7583
Collection图书馆
Corresponding AuthorKang, SC
Affiliation1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China
3.Himalayan Environm Res Inst, Kathmandu, Nepal
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
5.Kathmandu Univ, Dept Environm Sci & Engn, Dhulikhel, Nepal
6.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, Mikkeli 50130, Finland
Recommended Citation
GB/T 7714
Tripathee, L ,Kang, SC ,Rupakheti, D ,et al. Spatial distribution, sources and risk assessment of potentially toxic trace elements and rare earth elements in soils of the Langtang Himalaya, Nepal[J]. ENVIRONMENTAL EARTH SCIENCES,2016,75(19):1332.
APA Tripathee, L .,Kang, SC .,Rupakheti, D .,Zhang, QG .,Bajracharya, RM .,...&Kang, SC.(2016).Spatial distribution, sources and risk assessment of potentially toxic trace elements and rare earth elements in soils of the Langtang Himalaya, Nepal.ENVIRONMENTAL EARTH SCIENCES,75(19),1332.
MLA Tripathee, L ,et al."Spatial distribution, sources and risk assessment of potentially toxic trace elements and rare earth elements in soils of the Langtang Himalaya, Nepal".ENVIRONMENTAL EARTH SCIENCES 75.19(2016):1332.
Files in This Item:
File Name/Size DocType Version Access License
V.75(19) 1332 2016.p(1796KB)期刊论文作者接受稿开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Tripathee, L (Tripathee, Lekhendra)]'s Articles
[Kang, SC (Kang, Shichang)]'s Articles
[Rupakheti, D (Rupakheti, Dipesh)]'s Articles
Baidu academic
Similar articles in Baidu academic
[Tripathee, L (Tripathee, Lekhendra)]'s Articles
[Kang, SC (Kang, Shichang)]'s Articles
[Rupakheti, D (Rupakheti, Dipesh)]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Tripathee, L (Tripathee, Lekhendra)]'s Articles
[Kang, SC (Kang, Shichang)]'s Articles
[Rupakheti, D (Rupakheti, Dipesh)]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: V.75(19) 1332 2016.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.