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Title: Nitrogen behavior in the shallow groundwater–soil system within agricultural landscapes
Authors: Soldatova, Evgeniya Aleksandrovna
Yihui Dong
Zhanxue Sun
Keywords: азот; подземные воды; почва
Issue Date: 2019
Publisher: EDP Sciences
Citation: Soldatova E. A. Nitrogen behavior in the shallow groundwater–soil system within agricultural landscapes / E. A. Soldatova, Yihui Dong, Zhanxue Sun // E3S Web of Conferences. — 2019. — Vol. 98 : 16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference) : Tomsk, Russia, July 21-26, 2019. — [01046, 6 p.].
Abstract: The research is devoted to the analysis of the changes in the chemical composition of shallow groundwater within the agricultural landscapes of the Poyang Lake area taking into account the peculiarities of soil composition. The analysis is based on field data collected during 2011–2017 by the sampling of the shallow groundwater from the private and public wells and adjoining soils. Correlations between the content of the N-compounds and the Eh values in autumn as well as a relationship of the NH4+ concentration with the DOC content reflect the processes of the organic matter transformation in the aquifer. Correlations between the N content in the upper soil horizon and the concentrations of the N-compounds in the shallow groundwater indicate a strong connection of the origin of the groundwater chemical composition with the soil composition.
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