Temporal and spatial variations of delta(15)N and delta(18)O for atmospheric N(2)O above the oceanic surface from Shanghai to Antarctica
文献类型：期刊论文
| 作者 | Zhu RenBin1; Liu YaShu1; Xu Hua2; Ma Jing2; Sun LiGuang1 |
| 刊名 | SCIENCE IN CHINA SERIES D-EARTH SCIENCES
 |
| 出版日期 | 2008-06-01 |
| 卷号 | 51期号:6页码:899-910 |
| 关键词 | nitrous oxide Antarctica atmosphere delta(15)N delta(18)O isotope ocean |
| ISSN号 | 1006-9313 |
| DOI | 10.1007/s11430-008-0061-0 |
| 通讯作者 | Zhu RenBin(zhurb@ustc.edu.cn) |
| 英文摘要 | During the 22nd Chinese Antarctic Research Expedition (CHINARE-22), the atmospheric gas samples above the oceanic surface and near the surface were collected on the track for the scientific ship "Xuelong" and on Millor Peninsula of eastern Antarctica, respectively, using the Tedlar gas bags. Every day the sampling times were 10:00 and 22:00 (local time), respectively. In the laboratory, high-precision measurement of the isotopic compositions for N(2)O in these gas samples was conducted using Thermo Finnigan MAT-253 Isotopic Mass Spectrometer with a fully automated interface for the pre-GC concentration (PreCon) of trace gases. The temporal and spatial variations of delta(15)supercript stopN and delta(18)O in atmospheric N(2)O were analyzed. The mean delta(15)N and delta(18)O-N(2)O values above the oceanic surface were (7.21 +/- 0.50)parts per thousand and (44.52 +/- 0.52)parts per thousand, respectively. From 30 degrees N to Antarctica, the delta(15)N (6.05 parts per thousand-7.88 parts per thousand) linearly increased with the rate of about 0.01 parts per thousand with the latitude while the delta(18)O (43.05 parts per thousand-Co48.78 parts per thousand) showed a large fluctuation. The delta(15)N negatively correlated with air temperature and N(2)O concentration, and slightly positively correlated with delta(18)O. The summertime variations of delta(15)N and delta(18)O-N(2)O appeared the same trend on Millor Peninsula of eastern Antarctica. They significantly positively correlated with each other and negatively with N(2)O concentration. The delta(15)N and delta(18)O-N(2)O at different sites averaged (7.42 +/- 0.35)parts per thousand and (44.69 +/- 0.49)parts per thousand, respectively, slightly higher than those above the oceanic surface, significantly higher than those of atmospheric N(2)O in the low-latitude regions of Northern Hemisphere. The predominant factors affecting the spatial variations of delta(15)N and delta(18)O values were also discussed. The isotopic data given in this study can help to investigate the global and regional N(2)O budgets. |
| 收录类别 | SCI |
| WOS关键词 | NITROUS-OXIDE ; PACIFIC-OCEAN ; EASTERN ANTARCTICA ; TUNDRA WETLANDS ; DISSOLVED N2O ; EMISSIONS ; METHANE ; N-15 ; SOIL ; FRACTIONATION |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:000256030500013 |
| 出版者 | SCIENCE PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2558745 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Zhu RenBin |
| 作者单位 | 1.Univ Sci & Technol China, Inst Polar Environm, Anhua 230026, Peoples R China 2.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210091, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu RenBin,Liu YaShu,Xu Hua,et al. Temporal and spatial variations of delta(15)N and delta(18)O for atmospheric N(2)O above the oceanic surface from Shanghai to Antarctica[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2008,51(6):899-910. |
| APA | Zhu RenBin,Liu YaShu,Xu Hua,Ma Jing,&Sun LiGuang.(2008).Temporal and spatial variations of delta(15)N and delta(18)O for atmospheric N(2)O above the oceanic surface from Shanghai to Antarctica.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,51(6),899-910. |
| MLA | Zhu RenBin,et al."Temporal and spatial variations of delta(15)N and delta(18)O for atmospheric N(2)O above the oceanic surface from Shanghai to Antarctica".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 51.6(2008):899-910. |
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来源：南京土壤研究所
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