Subsurface hydrological connectivity controls nitrate export flux in a hilly catchment

•Subsurface flow paths showed dynamic extension and contraction during rainfall.•The primary nitrate export pattern is flushing, followed by dilution and chemostatic.•Nitrate flux rapidly increased when subsurface connectivity surpassed 0.121.•Subsurface hydrological connectivity exerts a strong con...

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Veröffentlicht in:	Water research (Oxford) 2024-04, Vol.253, p.121308-121308, Article 121308
Hauptverfasser:	Xiao, H.B., Zhou, C., Hu, X.D., Wang, J., Wang, L., Huang, J.Q., Yang, F.T., Zhao, J.S., Shi, Z.H.
Format:	Artikel
Sprache:	eng
Schlagworte:	groundwater mathematical theory Nitrate export Nitrate flux nitrates rain Shallow groundwater streams subsurface flow Subsurface hydrological connectivity time series analysis Water quality watersheds
Online-Zugang:	Volltext
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