Isotopic composition of nitrogen species in groundwater under agricultural areas: a review

O Nikolenko, A Jurado, AV Borges, K Knӧller… - Science of the Total …, 2018 - Elsevier
This work reviews applications of stable isotope analysis to the studies of transport and
transformation of N species in groundwater under agricultural areas. It summarizes evidence …

The cycle of nitrogen in river systems: sources, transformation, and flux

X **a, S Zhang, S Li, L Zhang, G Wang… - … science: Processes & …, 2018 - pubs.rsc.org
Nitrogen is a requisite and highly demanded element for living organisms on Earth.
However, increasing human activities have greatly altered the global nitrogen cycle …

The urban watershed continuum: evolving spatial and temporal dimensions

SS Kaushal, KT Belt - Urban Ecosystems, 2012 - Springer
Urban ecosystems are constantly evolving, and they are expected to change in both space
and time with active management or degradation. An urban watershed continuum …

Trends in drinking water nitrate violations across the United States

MJ Pennino, JE Compton… - Environmental science & …, 2017 - ACS Publications
Drinking water maximum contaminant levels (MCL) are established by the US EPA to protect
human health. Since 1975, US public water suppliers have reported MCL violations to the …

Nitrate in groundwater of China: Sources and driving forces

B Gu, Y Ge, SX Chang, W Luo, J Chang - Global Environmental Change, 2013 - Elsevier
Identifying the sources of reactive nitrogen (N) and quantifying their contributions to
groundwater nitrate concentrations are critical to understanding the dynamics of …

Integrating urban water fluxes and moving beyond impervious surface cover: A review

CJ Oswald, C Kelleher, SH Ledford, KG Hopkins… - Journal of …, 2023 - Elsevier
Though urban areas represent a small fraction of global land cover, they have an outsized
impact on hydrological processes. Within these areas, the pathways that water follows are …

Optimising nitrogen fertilisation: A key to improving nitrogen-use efficiency and minimising nitrate leaching losses in an intensive wheat/maize rotation (2008–2014)

X Yang, Y Lu, Y Ding, X Yin, S Raza - Field Crops Research, 2017 - Elsevier
Optimising nitrogen (N) fertilisation is critically important for obtaining high crop yields with
low environmental costs. A seven-year field experiment was conducted to evaluate the …

Estimating rice chlorophyll content and leaf nitrogen concentration with a digital still color camera under natural light

Y Wang, D Wang, P Shi, K Omasa - Plant methods, 2014 - Springer
Background The color of crop leaves is closely correlated with nitrogen (N) status and can
be quantified easily with a digital still color camera and image processing software. The …

The shallow and deep hypothesis: Subsurface vertical chemical contrasts shape nitrate export patterns from different land uses

W Zhi, L Li - Environmental Science & Technology, 2020 - ACS Publications
Eutrophication has threatened water resources worldwide, yet mechanistic understanding
on controls of nutrient export remains elusive. This work tests the shallow and deep …

Urban stormwater runoff nitrogen composition and fate in bioretention systems

L Li, AP Davis - Environmental science & technology, 2014 - ACS Publications
Multiple chemical forms of nitrogen in urban stormwater make its management challenging.
Sixteen storm events were monitored and analyzed for total nitrogen (TN), particulate …