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Nitrous oxide emissions from tundra soil and snowpack in the maritime Antarctic

文献类型:期刊论文

作者Zhu, RB; Sun, LG; Ding, WX
刊名CHEMOSPHERE
出版日期2005-06-01
卷号59期号:11页码:1667-1675
关键词nitrous oxide flux tundra penguin dropping snowpack Antarctica
ISSN号0045-6535
DOI10.1016/j.chemosphere.2004.10.033
通讯作者Sun, LG(slg@ustc.edu.cn)
英文摘要The nitrous oxide emissions were measured at three tundra sites and one snowpack on the Fildes Peninsula in the maritime Antarctic in the summertime of 2002. The average fluxes at two normal tundra sites were 1.1 +/- 2.2 and 0.6 +/- 1.7 mu g N(2)O m(-2) h(-1), respectively. The average flux from tundra soil site with penguin dropping addition was 3.7 +/- 2.0 mu g N(2)O m(-2) h(-1), 3-6 times those from the normal tundra soils, suggesting that the deposition of fresh droppings enhanced N(2)O emissions during penguin breeding period. The summer precipitation had an important effect on N(2)O emissions; the flux decreased when heavy precipitation occurred. The diurnal cycle of the N(2)O fluxes from Antarctic tundra soils was not obtained due to local fluky weather conditions. The N(2)O fluxes through four snowpack sites were obtained by the vertical N(2)O concentration gradient and their average fluxes were 0.94, 1.36, 0.81 and 0.85 mu g N(2)O m(-2) h(-1), respectively. The tundra soils under snowpack emitted N(2)O in the maritime Antarctic and increased local atmospheric N(2)O concentrations, therefore these fluxes could constitute an important part of the annual N(2)O budget for Antarctic tundra ecosystem. (c) 2004 Elsevier Ltd. All rights reserved.
收录类别SCI
WOS关键词N2O CONCENTRATION ; METHANE ; CH4 ; GRASSLANDS ; TEMPERATE ; SURFACE ; FLUXES ; ISLAND ; CHINA ; RICE
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
语种英语
WOS记录号WOS:000230321500014
出版者PERGAMON-ELSEVIER SCIENCE LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2558466
专题南京土壤研究所
通讯作者Sun, LG
作者单位1.Univ Sci & Technol China, Inst Polar Environm, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Solid Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714
Zhu, RB,Sun, LG,Ding, WX. Nitrous oxide emissions from tundra soil and snowpack in the maritime Antarctic[J]. CHEMOSPHERE,2005,59(11):1667-1675.
APA Zhu, RB,Sun, LG,&Ding, WX.(2005).Nitrous oxide emissions from tundra soil and snowpack in the maritime Antarctic.CHEMOSPHERE,59(11),1667-1675.
MLA Zhu, RB,et al."Nitrous oxide emissions from tundra soil and snowpack in the maritime Antarctic".CHEMOSPHERE 59.11(2005):1667-1675.

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来源:南京土壤研究所

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