2023
DOI: 10.1029/2022jg007208
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Spatial and Seasonal Variability of Hydroxylamine Concentrations in a Human‐Impacted Estuary Off Southeast China

Abstract: Hydroxylamine (NH2OH) is an important intermediate of nitrification and can contribute to nitrous oxide (N2O) production through abiotic and biotic pathways. NH2OH concentrations and associated biogeochemical controls in estuarine water and sediments remain poorly understood. Here, we investigated spatial and seasonal variability of NH2OH concentrations in water and sediments and determined the correlation between NH2OH and N2O in the Min River Estuary off southeast China. NH2OH concentrations in water and sed… Show more

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Cited by 5 publications
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“…As an important intermediate substance in the nitrogen cycle, NH 2 OH production is modulated by the nitrogen species in the water column (Soler‐Jofra et al., 2020). High DIN coincided with enhanced NH 2 OH (∼140 nmol N L −1 ) were reported in the upper estuary of Min River, indicating that excess nitrogen input was conducive to NH 2 OH production (Qi et al., 2023). Ammonium concentrations in the northern SCS were below the detection limit in most water layers.…”
Section: Discussionmentioning
confidence: 98%
“…As an important intermediate substance in the nitrogen cycle, NH 2 OH production is modulated by the nitrogen species in the water column (Soler‐Jofra et al., 2020). High DIN coincided with enhanced NH 2 OH (∼140 nmol N L −1 ) were reported in the upper estuary of Min River, indicating that excess nitrogen input was conducive to NH 2 OH production (Qi et al., 2023). Ammonium concentrations in the northern SCS were below the detection limit in most water layers.…”
Section: Discussionmentioning
confidence: 98%