GSTDTAP  > 地球科学
DOI10.5194/acp-20-7929-2020
Source apportionment of atmospheric mercury in the remote marine atmosphere: Mace Head GAW station, Irish western coast
Custodio, Danilo1; Ebinghaus, Ralf1; Spain, T. Gerard2; Bieser, Johannes1
2020-07-08
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2020
卷号20期号:13页码:7929-7939
文章类型Article
语种英语
国家Germany; Ireland
英文摘要

We examined recent atmospheric mercury concentrations measured with a high temporal resolution of 15 min at Mace Head, a GAW station on the western coast of Ireland. We attributed a direct contribution of 34 % (0.44 ng m(-3)) to primary sources. Additionally, a steep decline (0.05 ng yr(-1)) in mercury concentrations was observed between 2013 and 2018.


Using a stereo algorithm we reconstructed 99.9 % of the atmospheric mercury. A conservative analysis demonstrated no decrease in total gaseous mercury (TGM) associated with atmospheric species typically used as tracers for oceanic emissions. The results show that the atmospheric mercury mass is mainly loaded in a baseline factor with an ongoing decline. Moreover, we exploit temporal variation and wind pattern effects in the measured atmospheric species; the results show that the diurnal variation and seasonality in TGM observed in Mace Head are closely related to other species linked to primary sources and can be explained by transport from continental areas.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000548519500004
WOS关键词ELEMENTAL MERCURY ; BOUNDARY-LAYER ; OCEAN ; SEA ; OXIDATION ; MODEL ; TIME ; AIR ; HG
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/283258
专题地球科学
作者单位1.Helmholtz Zentrum Geesthacht, Inst Coastal Res, Max Planck Str 1, D-21502 Geesthacht, Germany;
2.Natl Univ Ireland, Galway, Ireland
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Custodio, Danilo,Ebinghaus, Ralf,Spain, T. Gerard,et al. Source apportionment of atmospheric mercury in the remote marine atmosphere: Mace Head GAW station, Irish western coast[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2020,20(13):7929-7939.
APA Custodio, Danilo,Ebinghaus, Ralf,Spain, T. Gerard,&Bieser, Johannes.(2020).Source apportionment of atmospheric mercury in the remote marine atmosphere: Mace Head GAW station, Irish western coast.ATMOSPHERIC CHEMISTRY AND PHYSICS,20(13),7929-7939.
MLA Custodio, Danilo,et al."Source apportionment of atmospheric mercury in the remote marine atmosphere: Mace Head GAW station, Irish western coast".ATMOSPHERIC CHEMISTRY AND PHYSICS 20.13(2020):7929-7939.
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