中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Selected Trace Elements in Snowpack on Urumqi Glacier No. 1, Eastern Tianshan, China: As Yielded by Leaching Treatment Representative of Real-World Environmental Conditions

文献类型:期刊论文

作者Zhang, Mingjun1,2; Wang, Shengjie1; Wang, Feiteng2; Li, Yuefang2
刊名JOURNAL OF EARTH SCIENCE
出版日期2011-08-01
卷号22期号:4页码:449-459
关键词trace element snowpack post-depositional process Urumqi Glacier No. 1
ISSN号1674-487X
DOI10.1007/s12583-011-0199-0
通讯作者Wang, Shengjie(geowang@126.com)
英文摘要To investigate the seasonal variability and potential environmental significance of trace elements in mountain glaciers, the surface snow and snow pit samples were collected at Urumqi Glacier No. 1 (43 degrees 06'N, 86 degrees 49'E, 4 130 m a.s.l.), eastern Tianshan (sic), from September 2002 to September 2003, and analyzed for Li, V, Cr, Mn, Co, Cu, and Ba. The samples were acidified (leached) in a manner intended to reasonably approximate the extent to which the natural hydrologic and weathering cycles would liberate elements from mineral grains (dusts) in the ice and snow into the environment. The mean concentrations of Li, V, Cr, Mn, Co, Cu, and Ba are 0.2, 1.1, 0.8, 14.8, 0.1, 0.7, and 3.2 ng/g in surface snow but 1.0, 2.2, 1.8, 92.4, 0.8, 2.9, and 16.2 ng/g in snow pits, respectively. Input varies seasonally: in general, concentrations in the winter are higher than those in the summer. The trace elements are somewhat enriched (relative to expected abundances in material taken directly from the earth's crust) and similar to what is observed in both pre-industrial and modern atmospheric dusts, although some anthropogenic components from nearby industrial cities may be present. Concentration vertical profiles can be redistributed in the post-depositional process, which may cause loss of trace elements in the summer.
收录类别SCI
WOS关键词HEAVY-METALS CONCENTRATIONS ; MT. QOMOLANGMA EVEREST ; SEASONAL-VARIATIONS ; TIEN-SHAN ; ICE CORE ; CENTRAL-ASIA ; ATMOSPHERIC-POLLUTION ; CHEMICAL-COMPOSITION ; GREENLAND SNOW ; SURFACE SNOW
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
语种英语
WOS记录号WOS:000293450800004
出版者CHINA UNIV GEOSCIENCES
URI标识http://www.irgrid.ac.cn/handle/1471x/2556570
专题寒区旱区环境与工程研究所
通讯作者Wang, Shengjie
作者单位1.NW Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China
2.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Tianshan Glaciol Stn, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Mingjun,Wang, Shengjie,Wang, Feiteng,et al. Selected Trace Elements in Snowpack on Urumqi Glacier No. 1, Eastern Tianshan, China: As Yielded by Leaching Treatment Representative of Real-World Environmental Conditions[J]. JOURNAL OF EARTH SCIENCE,2011,22(4):449-459.
APA Zhang, Mingjun,Wang, Shengjie,Wang, Feiteng,&Li, Yuefang.(2011).Selected Trace Elements in Snowpack on Urumqi Glacier No. 1, Eastern Tianshan, China: As Yielded by Leaching Treatment Representative of Real-World Environmental Conditions.JOURNAL OF EARTH SCIENCE,22(4),449-459.
MLA Zhang, Mingjun,et al."Selected Trace Elements in Snowpack on Urumqi Glacier No. 1, Eastern Tianshan, China: As Yielded by Leaching Treatment Representative of Real-World Environmental Conditions".JOURNAL OF EARTH SCIENCE 22.4(2011):449-459.

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来源:寒区旱区环境与工程研究所

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