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Influence of land use and change in the proportion of electron donors required for denitrification on N2O in groundwater
Li, Zhao1,2; Li, Fadong1,2; Zhang, Qiuying3; Wang, Jianqi1,2; Leng, Peifang1,2; Tian, Chao1,2; Li, Xiaoyan4
2021-01-05
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Pages13
Corresponding AuthorZhang, Qiuying(zhangqy@craes.org.cn)
AbstractNitrate (NO3-) and nitrous oxide (N2O) accumulate in groundwater in relation to human activities and pose multiple threats to the global environment (harming human health and atmospheric damage). This study focused on the evaluation of groundwater NO3-, N2O, and its indirect emission factor under different land use types (agricultural land, urban land, and forest) and response mechanism of major anions to dissolved N2O within groundwater in Dexing which has the largest copper mine in Asia. Specifically, this work used self-organizing maps (SOMs) to identify which anion conditions (NO3-, SO42-, F-, Cl-) and water quality parameters were suitable for the accumulation of groundwater N2O. Finally, we found that the shallow groundwater of agricultural land has a high concentration of NO3- and N2O and the agricultural activity has a significant effect on the temporal and spatial variation of N2O in groundwater. The result of SOMs combined with the positive correlation between N2O and NO3-/SO42- suggested that the electron donor required for denitrification has a significant effect on N2O accumulation. In this respect, when an increased proportion of reduced sulfur is available as an electron donor for autotrophic denitrification, this results in lower concentrations of N2O in groundwater. Through the comprehensive evaluation of the anion conditions and N2O in groundwater under different land use types, this study case can help to estimate the N2O indirect emission from groundwater, so as to constrain the global nitrogen budget.
KeywordDenitrification Groundwater Nitrous oxide Nitrate Electron donor EF5g
DOI10.1007/s11356-020-12258-x
WOS KeywordGREENHOUSE GASES ; NITROUS-OXIDE ; NITRATE REDUCTION ; EMISSION FACTORS ; SANDY AQUIFER ; DYNAMICS ; PYRITE ; WATER ; ATTENUATION ; QUALITY
Indexed BySCI
Language英语
Funding ProjectFinancial of National Key Research and Development Project of China[2018YFC1801801] ; Financial of National Key Research and Development Project of China[2016YFD0800301] ; National Natural Science Foundation of China[41771292] ; National Natural Science Foundation of China[31170414]
Funding OrganizationFinancial of National Key Research and Development Project of China ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000605128900029
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/136656
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Qiuying
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
4.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Li, Zhao,Li, Fadong,Zhang, Qiuying,et al. Influence of land use and change in the proportion of electron donors required for denitrification on N2O in groundwater[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2021:13.
APA Li, Zhao.,Li, Fadong.,Zhang, Qiuying.,Wang, Jianqi.,Leng, Peifang.,...&Li, Xiaoyan.(2021).Influence of land use and change in the proportion of electron donors required for denitrification on N2O in groundwater.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,13.
MLA Li, Zhao,et al."Influence of land use and change in the proportion of electron donors required for denitrification on N2O in groundwater".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021):13.
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