Nitrogen (N) is one of the most important nutrients for plant growth. However, improper
management of N fertilization in agriculture has led to a large amount of nitrate leaching …

Abstract Nitrate (NO 3−) pollution has attracted widespread attention as a threat to human
health and aquatic ecosystems; however, elucidating the controlling factors behind nitrate …

Nitrate is usually the main pollution factor in the river water and groundwater environment
because it has the characteristics of stable properties, high solubility and easy migration. In …

Excessive quantities of nitrates in the aquatic environment can cause eutrophication and
raise water safety concerns. Therefore, identification of the sources of nitrate is crucial to …

Sources and co-cycling of nitrogen species in arsenic-prone groundwater remain poorly
understood, which could affect arsenic behavior. Here, geochemical and multi-isotopic …

Conventional concentration-oriented approaches for nitrate risk diagnosis only provide
overall risk levels without identifying risk values of individual sources or sources …

Groundwater and rivers in Chinese cities suffer from severe nitrate pollution. The accurate
identification of nitrate sources throughout aquatic systems is key to the water nitrate …

A multi-isotopes approach involving the use of stable nitrate isotopes (δ 15 N-NO 3− and δ
18 O-NO 3−) combined with stable water isotopes (δD-H 2 O and δ 18 OH 2 O) and SIAR …

Land use patterns and regional hydrogeological conditions have a great impact on nitrate
sources and transformation in groundwater at the large-basin scale. In this study …

The external nitrogen load input caused by human activities exacerbates the eutrophication
process of aquatic ecosystems in mining areas, causing water quality problems. However …