Nitrate attenuation with rising groundwater levels: An integrated assessment using isotope tracers and microbial signatures
文献类型：期刊论文
| 作者 | Li, Jie2; Liu, Yulian2; Dai, Wei3; Li, Jian2; Yang, Pingheng4; Tian, Lijun1; Yu, Shihang2; Zuo, Rui2; Zhai, Yuanzheng2; Song, Wei5 |
| 刊名 | JOURNAL OF HYDROLOGY
 |
| 出版日期 | 2023-09-01 |
| 卷号 | 624页码:12 |
| ISSN号 | 0022-1694 |
| 关键词 | Nitrate attenuation Denitrification Rising groundwater level Isotope tracers Microbiome |
| DOI | 10.1016/j.jhydrol.2023.129911 |
| 英文摘要 | Nitrate contamination of groundwater has long been a source of concern. Most field studies conducted in areas with rising groundwater levels have found an increase in nitrate concentration owing to nitrate leaching, but they have not investigated the possible biogeochemical processes. In this study, dual nitrate isotopes and microbial signatures were combined to assess and quantify nitrate attenuation in the North China Plain with an apparent groundwater-level recovery trend over the past decade. Significant denitrification was revealed using the dual nitrate isotopes on the temporal scale. High-throughput sequencing provided microbial functional and taxonomic evidence, showing the relative abundances of denitrification-related functional genes negatively related to the nitrate concentration. Nitrate attenuation was strengthened in the aquifer as the groundwater levels rose, with a larger temporal enrichment factor (& epsilon;) value of-25%o compared with the spatial & epsilon; value of-5%o. This study is the first to reveal the mechanisms of nitrate attenuation in aquifers undergoing groundwater level recovery with an integrated assessment using nitrate isotope tracers and microbial signatures. In identifying the main nitrate attenuation processes, it is important to consider the scale and domain of interest and to conduct sufficient spatial and temporal monitoring to capture transient conditions. |
| WOS关键词 | STABLE-ISOTOPES ; CLIMATE-CHANGE ; NATURAL DENITRIFICATION ; SOIL DENITRIFICATION ; COMMUNITY STRUCTURE ; NITROGEN ; AQUIFER ; OXYGEN ; WATER ; CONTAMINATION |
| 资助项目 | National Natural Science Foundation of China[41602276] ; National Natural Science Foundation of China[41727901] ; National Natural Science Foundation of China[42106228] ; National Key Research and Development Program of China[2016YFA0302200] |
| WOS研究方向 | Engineering ; Geology ; Water Resources |
| 语种 | 英语 |
| 出版者 | ELSEVIER |
| WOS记录号 | WOS:001049686000001 |
| 资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/111379]  |
| 专题 | 地质与地球物理研究所_中国科学院新生代地质与环境重点实验室 |
| 通讯作者 | Li, Jian; Yang, Pingheng |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China 2.Beijing Normal Univ, Coll Water Sci, Engn Res Ctr Groundwater Pollut Control & Remediat, Minist Educ, Beijing 100875, Peoples R China 3.China Ordnance Ind Survey & Geotech Inst Co Ltd, Beijing 100053, Peoples R China 4.Southwest Univ Observat & Res Stn Chongqing Jinfo, Sch Geog Sci, Chongqing Jinfo Mt Karst Ecosyst Natl Observat & R, Minist Nat Resources, Chongqing 400715, Peoples R China 5.Beijing Inst Geoengn, Beijing 100037, Peoples R China 6.Beijing Inst Geoenvironm Monitoring, Beijing 100195, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Jie,Liu, Yulian,Dai, Wei,et al. Nitrate attenuation with rising groundwater levels: An integrated assessment using isotope tracers and microbial signatures[J]. JOURNAL OF HYDROLOGY,2023,624:12. |
| APA | Li, Jie.,Liu, Yulian.,Dai, Wei.,Li, Jian.,Yang, Pingheng.,...&Wang, Shufang.(2023).Nitrate attenuation with rising groundwater levels: An integrated assessment using isotope tracers and microbial signatures.JOURNAL OF HYDROLOGY,624,12. |
| MLA | Li, Jie,et al."Nitrate attenuation with rising groundwater levels: An integrated assessment using isotope tracers and microbial signatures".JOURNAL OF HYDROLOGY 624(2023):12. |
入库方式： OAI收割
来源：地质与地球物理研究所
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