Hydrological transport pathways of dissolved organic nitrogen and their seasonal changes in an agricultural watershed

Qiyu Xu,Limei Zhai, Xinru Liu,Xinzhong Du,Hongbin Liu

Journal of Hydrology（2023）

引用 2|浏览10

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摘要

•DON export load was quantified in an agricultural watershed from 2011 to 2016.•The DON loss is concentrated in the wet season.•Baseflow is the main transport pathway of the DON in the watershed.•2.03 m3/s to 2.15 m3/s is the critical threshold of the streamflow that causes abrupt changes in DON concentration.

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关键词

Dissolved organic nitrogen,Baseflow segmentation,Load estimator,Baseflow load segmentation,Abrupt change thresholds

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