[HTML][HTML] Combining stable isotopes and spatial stream network modelling to disentangle the roles of hydrological and biogeochemical processes on riverine nitrogen …

M Hu, Z Yu, TJ Griffis, JM Baker - Water Research, 2025 - Elsevier
Intensive agricultural activities have significantly altered watershed hydrological and
biogeochemical processes, resulting in water quality issues and loss of ecosystem functions …

Deciphering the isotopic imprint of nitrate to reveal nitrogen source and transport mechanisms in a tile‐drained agroecosystem

Y Hu, Z Yu, WH Yang, AJ Margenot… - Journal of …, 2024 - Wiley Online Library
Installation of subsurface drainage systems has profoundly altered the nitrogen cycle in
agricultural regions across the globe, facilitating substantial loss of nitrate (NO3−) to surface …

Isotopic constraints on nitrous oxide emissions from the US Corn Belt

TJ Griffis, Z Yu, JM Baker… - Geophysical Research …, 2024 - Wiley Online Library
Agriculture is the dominant source of anthropogenic nitrous oxide (N2O)–a greenhouse gas
and a stratospheric ozone depleting substance. The US Corn Belt is a large global N2O …

The value of instream stable water isotope and nitrate concentration data for calibrating a travel time‐based water quality model

A Borriero, A Musolff, R Kumar… - Hydrological …, 2024 - Wiley Online Library
Transit time‐based water quality models using StorAge Selection (SAS) functions are crucial
for nitrate (NO3−) management. However, relying solely on instream NO3− concentration for …

Assessing impacts of cemeteries on water quality in an urban headwater watershed with mixed human‐built infrastructure

S Nesheim, Z Yu, S Tuttle, J Klein… - Hydrological …, 2024 - Wiley Online Library
Cemeteries are understudied integral components to urban watersheds, which provide
ecosystem services but can also export nutrients, trace elements, and other contaminants to …

Split fertilizer nitrogen application with a cereal rye cover crop reduces tile nitrate loads in a corn–soybean rotation

LE Gentry, JM Green, CA Mitchell, LF Andino, MK Rolf… - 2024 - Wiley Online Library
Splitting fertilizer nitrogen (N) applications and using cover crops are management
strategies to reduce nitrate in tile drainage water. We investigated split fertilizer N …

Leveraging Low-Frequency Isotope Data for Modeling Catchment-Scale Transit Time Distributions

A Borriero - 2024 - epub.uni-bayreuth.de
Ensuring adequate water quantity and quality is essential for the well-being of both humans
and ecosystems, particularly in the face of global challenges such as climate change and …

Identifying nitrate transport mechanisms and export dynamics using water age modeling and concentration-discharge relationships

S Miller - 2024 - ideals.illinois.edu
Tile-drained agricultural catchments in the Midwestern US are a significant source of nitrate
(NO3-) loss to surface waters. Water flow paths and residence times determine the contact …