Advancing watershed legacy nitrogen modeling to improve global water quality
Despite widespread implementation of watershed nitrogen reduction programs across the
globe, nitrogen levels in many surface waters remain high. Watershed legacy nitrogen …
globe, nitrogen levels in many surface waters remain high. Watershed legacy nitrogen …
Nitrate isotopes in catchment hydrology: insights, ideas and implications for models
Abstract Models that simulate water flow and quality, particularly related to nitrate ions, are
commonly used on a catchment-scale. However, tracking nitrate ions is a challenging task …
commonly used on a catchment-scale. However, tracking nitrate ions is a challenging task …
Assessing temporal dynamics of nitrogen surplus in Indian agriculture: district scale data from 1966 to 2017
Nitrogen (N) is essential for agricultural productivity, yet its surplus poses significant
environmental risks. Currently, over half of applied nitrogen is lost, resulting in resource …
environmental risks. Currently, over half of applied nitrogen is lost, resulting in resource …
Toward Understanding of Long‐Term Nitrogen Transport and Retention Dynamics Across German Catchments
Long‐term nitrogen (N) transport and retention dynamics across catchments are not well
understood. Using a process‐based model for 89 German catchments, results across study …
understood. Using a process‐based model for 89 German catchments, results across study …
Data-driven approaches demonstrate legacy N accumulation in Upper Mississippi River Basin groundwater
KJ Van Meter, VO Schultz… - Environmental Research …, 2023 - iopscience.iop.org
Increases in nitrogen (N) fertilizer application, livestock densities, and human population
over the last century have led to substantial increases in nitrate contamination. While …
over the last century have led to substantial increases in nitrate contamination. While …
[HTML][HTML] Legacy nutrients in the Baltic Sea drainage basin: How past practices affect eutrophication management
B Müller-Karulis, ML McCrackin, B Dessirier… - Journal of …, 2024 - Elsevier
We have constructed a nutrient fate model for the Baltic Sea that links anthropogenic
nitrogen and phosphorus inputs to the catchment to the dynamics of waterborne loads to the …
nitrogen and phosphorus inputs to the catchment to the dynamics of waterborne loads to the …
[HTML][HTML] From Iron Curtain to green belt: shift from heterotrophic to autotrophic nitrogen retention in the Elbe River over 35 years of passive restoration
We investigate changes to in-stream nitrogen retention and metabolic processes in the Elbe
River between 1978 and 2020. We analyzed multidecadal time series data and developed a …
River between 1978 and 2020. We analyzed multidecadal time series data and developed a …
[HTML][HTML] Can the young water fraction reduce predictive uncertainty in water transit time estimations?
Transit time distributions (TTDs) of streamflow are informative descriptors of catchment
hydrological functioning and solute transport mechanisms. Conventional methods for …
hydrological functioning and solute transport mechanisms. Conventional methods for …
Toward representing the subsurface nitrate legacy through a coupled StorAge selection function and hydrological model (SWAT-SAS)
The transit time distribution (TTD) is a lumped method to characterize the diverse flow paths
of a hydrological system, and the StorAge Selection function (SAS) is one of the time-variant …
of a hydrological system, and the StorAge Selection function (SAS) is one of the time-variant …
[HTML][HTML] Uncertainty in water transit time estimation with StorAge selection functions and tracer data interpolation
Transit time distributions (TTDs) of streamflow are useful descriptors for understanding flow
and solute transport in catchments. Catchment-scale TTDs can be modeled using tracer …
and solute transport in catchments. Catchment-scale TTDs can be modeled using tracer …