Nitrous oxide concentration and nitrification and denitrification in Zhujiang River Estuary, China
文献类型：期刊论文
| 作者 | Xu, JR ; Wang, YS ; Wang, QJ ; Yin, JP |
| 刊名 | ACTA OCEANOLOGICA SINICA
 |
| 出版日期 | 2005 |
| 卷号 | 24期号:3页码:122-130 |
| 关键词 | nitrous oxide nitrification denitrification nitrate reduction acetylene inhibition technique bacterial activities Zhujiang River Estuary |
| ISSN号 | 0253-505X |
| 通讯作者 | jirongxu@sina.com |
| 中文摘要 | The concentrations of nitrous oxide varies between 57 and 329 nmol/dm(3), saturation is 674%similar to 4 134% in the Zhujiang River Estuary. This suggests that the area is an emissive source of nitrous oxide. The acetylene inhibition technique is employed to evaluate the rates of nitrification, denitrification and nitrate reduction by bacterial activities in the sediments at three sites. The average of nitrification, denitrification and nitrate reduction rates ranges from 0.32 to 2.43, 0.03 to 0.84 and 4.17 to 13.06 mmol/(m(2) center dot h), respectively. The vertical profiles of the sediments show that the nitrification and denitrification processes mainly take place in the depth from 0 to 4 cm and depend on regional conditions. The rates of nitrification, denitrification and nitrate reduction are dominated by Eh, nitrate and ammonium concentrations in sediments and DO in overlay water. There is a coupling between nitrification and denitrification. |
| 学科主题 | Oceanography |
| 收录类别 | SCI |
| WOS记录号 | WOS:000231257900014 |
| 公开日期 | 2011-06-29 |
| 源URL | [http://ir.scsio.ac.cn/handle/344004/2237]  |
| 专题 | 南海海洋研究所_广东省海洋药物重点实验室 |
| 推荐引用方式 GB/T 7714 | Xu, JR,Wang, YS,Wang, QJ,et al. Nitrous oxide concentration and nitrification and denitrification in Zhujiang River Estuary, China[J]. ACTA OCEANOLOGICA SINICA,2005,24(3):122-130. |
| APA | Xu, JR,Wang, YS,Wang, QJ,&Yin, JP.(2005).Nitrous oxide concentration and nitrification and denitrification in Zhujiang River Estuary, China.ACTA OCEANOLOGICA SINICA,24(3),122-130. |
| MLA | Xu, JR,et al."Nitrous oxide concentration and nitrification and denitrification in Zhujiang River Estuary, China".ACTA OCEANOLOGICA SINICA 24.3(2005):122-130. |
入库方式： OAI收割
来源：南海海洋研究所
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