Using Mercury Isotopes To Understand Mercury Accumulation in the Montane Forest Floor of the Eastern Tibetan Plateau

CORC > 成都山地灾害与环境研究所 > 中国科学院水利部成都山地灾害与环境研究所 > 山地表生过程与生态调控重点实验室

	Using Mercury Isotopes To Understand Mercury Accumulation in the Montane Forest Floor of the Eastern Tibetan Plateau
	Wang, Xun 1,2; Luo, Ji3,4 ; Yin, Runsheng 5,6; Yuan, Wei 1,2; Lin, Che-Jen 1,7; Sommar, Jonas 1; Feng, Xinbin 1; Wang, Haiming3,4 ; Lin, Cynthia 8
刊名	ENVIRONMENTAL SCIENCE & TECHNOLOGY
	2017-01-17
卷号	51 期号:2 页码:801-809
关键词	GASEOUS ELEMENTAL MERCURY TIMBERLINE CONIFEROUS FORESTS WESTERN UNITED-STATES ATMOSPHERIC MERCURY SPATIAL-DISTRIBUTION STABLE-ISOTOPES WET DEPOSITION SOUTHWESTERN CHINA ELEVATION GRADIENT FREE TROPOSPHERE
ISSN号	0013-936X
通讯作者	Feng, Xinbin
英文摘要	Mercury accumulation in montane forested areas plays an important role in global Hg cycling. In this study, we measured stable Hg isotopes in soil and litter samples to understand Hg accumulation on the forest floor along the eastern fringe of the Tibetan Plateau (TP). The low atmospheric Hg inputs lead to the small Hg pool size (23 +/- 9 mg m(-2) in 0-60 cm soil horizon), up to 1 order of magnitude lower than to -0.05 parts per thousand) in the litter at low elevations (3100 to 3600 m) suggests an influence of local anthropogenic emissions, whereas the more significant negative Delta Hg-199 (-0.38 to -0.15 parts per thousand) at high elevations (3700 to 4300 m) indicates impact from long-range transport. Hg input from litter is more important than wet deposition to Hg accumulation on the forest floor, as evidenced by the negative Delta Hg-199 found in the surface soil samples. Correlation analyses of Delta Hg-199 versus total carbon and leaf area index suggest that litter biomass production is a predominant factor in atmospheric Hg inputs to the forest floor. Precipitation and temperature show indirect effects on Hg accumulation by influencing litter biomass production in the eastern TP.
WOS标题词	Science & Technology ; Technology ; Life Sciences & Biomedicine
类目[WOS]	Engineering, Environmental ; Environmental Sciences
研究领域[WOS]	Engineering ; Environmental Sciences & Ecology
关键词[WOS]	GASEOUS ELEMENTAL MERCURY ; TIMBERLINE CONIFEROUS FORESTS ; WESTERN UNITED-STATES ; ATMOSPHERIC MERCURY ; SPATIAL-DISTRIBUTION ; STABLE-ISOTOPES ; WET DEPOSITION ; SOUTHWESTERN CHINA ; ELEVATION GRADIENT ; FREE TROPOSPHERE
收录类别	SCI
语种	英语
WOS记录号	WOS:000392457700009
内容类型	期刊论文
源URL	[http://ir.imde.ac.cn/handle/131551/18405]
专题	成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室成都山地灾害与环境研究所_山区发展研究中心
作者单位	1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China 4.Minist Water Conservancy & Power, Chengdu 610041, Peoples R China 5.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550081, Peoples R China 6.Univ Wisconsin, Environm Chem & Technol Program, Madison, WI 53706 USA 7.Lamar Univ, Ctr Adv Water & Air Qual, Beaumont, TX 77710 USA 8.Univ Texas Austin, McKetta Dept Chem Engn, Austin, TX 78712 USA
推荐引用方式 GB/T 7714	Wang, Xun,Luo, Ji,Yin, Runsheng,et al. Using Mercury Isotopes To Understand Mercury Accumulation in the Montane Forest Floor of the Eastern Tibetan Plateau[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2017,51(2):801-809.
APA	Wang, Xun.,Luo, Ji.,Yin, Runsheng.,Yuan, Wei.,Lin, Che-Jen.,...&Lin, Cynthia.(2017).Using Mercury Isotopes To Understand Mercury Accumulation in the Montane Forest Floor of the Eastern Tibetan Plateau.ENVIRONMENTAL SCIENCE & TECHNOLOGY,51(2),801-809.
MLA	Wang, Xun,et al."Using Mercury Isotopes To Understand Mercury Accumulation in the Montane Forest Floor of the Eastern Tibetan Plateau".ENVIRONMENTAL SCIENCE & TECHNOLOGY 51.2(2017):801-809.