The missing nitrogen pieces: A critical review on the distribution, transformation, and budget of nitrogen in the vadose zone-groundwater system

J Xin, Y Liu, F Chen, Y Duan, G Wei, X Zheng, M Li - Water research, 2019 - Elsevier
Intensive agriculture and urbanization have led to the excessive and repeated input of
nitrogen (N) into soil and further increased the amount of nitrate (NO 3−) leaching into …

Understanding nitrogen transfer dynamics in a small agricultural catchment: Comparison of a distributed (TNT2) and a semi distributed (SWAT) modeling approaches

S Ferrant, F Oehler, P Durand, L Ruiz… - Journal of …, 2011 - Elsevier
The coupling of an hydrological and a crop model is an efficient approach to study the
impact of the interactions between agricultural practices and catchment physical …

Forms and subannual variability of nitrogen and phosphorus loading to global river networks over the 20th century

L Vilmin, JM Mogollón, AHW Beusen… - Global and Planetary …, 2018 - Elsevier
Nitrogen (N) and phosphorus (P) play a major role in the biogeochemical functioning of
aquatic systems. N and P transfer to surface freshwaters has amplified during the 20th …

Sources and cycling processes of nitrogen revealed by stable isotopes and hydrochemistry in a typical agricultural lake basin

C Su, J Jiang, X Xie, Z Han, M Wang, J Li, H Shi - Applied Geochemistry, 2023 - Elsevier
Increased exposure to nitrate has been reported in many arid and semi-arid areas where
groundwater is used as the drinking water source, presenting a major public health threat …

Kinetic and molecular evidence for DON transformation in the deep vadose zone: Important implications for soil nitrogen budgeting and groundwater nitrate …

Z Shen, J Xin, H Wu, Z Jiang, H Peng, F Xu, C He… - Journal of …, 2023 - Elsevier
The neglect of dissolved organic nitrogen (DON), especially with regard to its transformation
in the deep vadose zone, can result in high uncertainty surrounding estimated nitrogen (N) …

Temporal variability of nitrate transport through hydrological response during flood events within a large agricultural catchment in south-west France

C Oeurng, S Sauvage, JM Sánchez-Pérez - Science of the Total …, 2010 - Elsevier
The temporal variability of nitrate transport was monitored continuously in a large
agricultural catchment, the 1110km2 Save catchment in south-west France, from January …

Quantification of nitrate storage in the vadose (unsaturated) zone: a missing component of terrestrial N budgets

MJ Ascott, L Wang, ME Stuart, RS Ward… - Hydrological …, 2016 - Wiley Online Library
National terrestrial nitrogen budgets for many developed countries have been calculated as
part of the management of impacts of N on the environment, but these rarely represent the …

Understanding groundwater, surface water, and hyporheic zone biogeochemical processes in a Chalk catchment using fluorescence properties of dissolved and …

DJ Lapworth, DC Gooddy, D Allen… - Journal of Geophysical …, 2009 - Wiley Online Library
Understanding groundwater–surface water (GW–SW) interaction in Chalk catchments is
complicated by the degree of geological heterogeneity. At this study site, in southern United …

Groundwater connectivity of a sheared gneiss aquifer in the Cauvery River basin, India

SL Collins, SE Loveless, S Muddu… - Hydrogeology …, 2020 - nora.nerc.ac.uk
Connectivity of groundwater flow within crystalline-rock aquifers controls the sustainability of
abstraction and baseflow to rivers, yet is often poorly constrained at a catchment scale. Here …

Macronutrient status of UK groundwater: Nitrogen, phosphorus and organic carbon

ME Stuart, DJ Lapworth - Science of the total environment, 2016 - Elsevier
Groundwater is a large, slowly changing pool of the macronutrients nitrogen (N),
phosphorus (P) and dissolved organic carbon (DOC), with impacts on receptors, surface …