Mapping N2O production pathways in estuarine and coastal sediments through coupled 15N tracing and N2O isotopocules analysis

• Published in: Journal of hydrology (Amsterdam) Vol. 645; p. 132170
• Main Authors: Chen, Cheng, Yin, Tianyu, Yin, Guoyu, Liang, Xia, Li, Xiaofei, Hou, Lijun, Liu, Min
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2024
• Subjects: denitrification; denitrifying microorganisms; Dual15N labeling; estuaries; Estuarine and coastal sediments; freshwater; fungi; Microbial community; N2O isotopocules; nitrification; nitrous oxide; nitrous oxide production; Nitrous oxide production pathways; salinity; Nitrous oxide production pathways; N2O isotopocules; Estuarine and coastal sediments; Dual15N labeling; Microbial community

[Display omitted] •N2O sources and dynamics in estuarine sediments were comprehensively mapped.•N2O production pathways exhibited greater spatial than season variability.•Denitrification ruled N2O production over autotrophic and heterotrophic nitrification.•Bacterial and fungal denitrification showe...