Comprehensive analysis of nitrogen distributions and ammonia nitrogen release fluxes in the sediments of Baiyangdian Lake, China
文献类型：期刊论文
| 作者 | Zhu, Yaoyao; Jin, Xin; Tang, Wenzhong ; Meng, Xin; Shan, Baoqing
|
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES
 |
| 出版日期 | 2019-02 |
| 卷号 | 76页码:319-328 |
| 关键词 | Nitrogen Ammonia nitrogen Baiyangdian Lake Flux Sediment |
| ISSN号 | 1001-0742 |
| 英文摘要 | The condition of Baiyangdian Lake (BYDL) will improve as the Xiongan New Area evolves and fulfills its role of easing overcrowding and supporting economic growth. Water and sediment samples from BYDL were analyzed to provide information on nitrogen (N) contamination in BYDL. The mean ammonium N (NH4+-N), nitrate N, and total N concentrations in the water samples were 0.36, 0.12, and 2.22 mg/L, respectively, and the ranges were 0.003-8.38, 0.06-0.30, and 1.25-10.34 mg/L, respectively. The N concentrations in water gradually increased from the north to the south of BYDL. Sediment at 90% of the sampling sites was in or above the moderately contaminated class (1000-2000 mg/kg) defined in US Environmental Protection Agency total N pollution standards. Positive NH4+-N fluxes were found for 28 of the 34 sediment core samples, so the potential for NH4+-N being released from sediment was relatively high. The NH4+-N fluxes were 5.35-48.76 mg/m(2)/day, and the mean and maximum fluxes were 8.71 and 48.76 mg/m(2)/day, respectively. Benthic organisms will be affected more by NH4+-N and NH3 center dot H2O in the surface sediment pore water (mean concentrations 4.93 and 0.13 mg/L, respectively) than by the other forms of N. 2018 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/43073]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Yaoyao,Jin, Xin,Tang, Wenzhong,et al. Comprehensive analysis of nitrogen distributions and ammonia nitrogen release fluxes in the sediments of Baiyangdian Lake, China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2019,76:319-328. |
| APA | Zhu, Yaoyao,Jin, Xin,Tang, Wenzhong,Meng, Xin,&Shan, Baoqing.(2019).Comprehensive analysis of nitrogen distributions and ammonia nitrogen release fluxes in the sediments of Baiyangdian Lake, China.JOURNAL OF ENVIRONMENTAL SCIENCES,76,319-328. |
| MLA | Zhu, Yaoyao,et al."Comprehensive analysis of nitrogen distributions and ammonia nitrogen release fluxes in the sediments of Baiyangdian Lake, China".JOURNAL OF ENVIRONMENTAL SCIENCES 76(2019):319-328. |
入库方式： OAI收割
来源：生态环境研究中心
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