Identification of Sources and Transformations of Nitrate in the ...

The sources of NO3− in groundwater mainly originated from sewage and manure, soil nitrogen, and NH4+ in fertilizer. However, NO3− in river water ...

Identification of sources and transformations of nitrate in the Xijiang ...

The results of nitrate isotopes indicated that NO 3 − mainly originated from soil organic nitrogen (SON), chemical fertilizer (CF), and manure and sewage ...

Identification of Sources and Transformations of Nitrate in ... - PubMed

Nitrate (NO 3 - ) contamination in water is an environmental problem of widespread concern. In this study, we combined the stable isotopes ...

Identification of sources and transformations of nitrate in Cr(VI ...

The main processes identified in the study areas are salinization, silicate dissolution, and groundwater contamination due to fertilizer use.

(PDF) Identification of Sources and Transformations of Nitrate in the ...

The sources of NO3− mainly originated from sewage and manure, soil nitrogen, and NH4+ in fertilizer for groundwater and from sewage and manure ...

Identification of sources and transformations of nitrate in the Xijiang

Coupled nitrogen and oxygen isotopes of nitrate have proven useful in identifying nitrate sources and transformation in rivers. However, ...

Identification of nitrate sources and transformation in karst cave ...

The results indicate that the nitrate content in the cave water presented insignificant seasonal variations but significant spatial variations.

Tracing groundwater nitrate sources in an intensive agricultural ...

According to the results of EMMTE modeling, soil nitrogen (68.4%) was the main source of nitrate in Cluster-1, followed by manure and sewage ( ...

Sources and Transformations of Nitrate from Streams Draining ...

Knowledge of key sources and biogeochemical processes that affect the transport of nitrate (NO3−) in streams can inform watershed management ...

Tracing nitrate pollution sources and transformation in surface

Analyses of isotopic compositions suggest that the main sources of nitrate are nitrification of fertilizer and sewage in surface water, in contrast, ...

[PDF] Sources and transformations of nitrate from streams draining ...

Sources and transformations of nitrate from streams draining varying land uses: evidence from dual isotope analysis. · D. Burns, E. Boyer, +1 author. C. Kendall ...

Quantification of Nitrate Sources and Its Spatial Heterogeneity by ...

The potential sources of nitrate were identified and estimated using hydrochemistry indicators, the δ δ δ 15 N / δ 18 O − NO 3 − and the Stable ...

Tracing nitrate sources and transformations using â–

Based on a Bayesian mixing model (Stable Isotope Analysis in R, SIAR) using δ15N/△17O-NO3− , municipal sewage was identified as the dominant ...

Identification of groundwater nitrate sources and transformation ...

Identification of nitrate sources and fate in basins with complex backgrounds is essential for understanding the controlling factors of regional groundwater ...

Identification of Sources and Transformations of Nitrate in

The sources of NO 3 − mainly originated from sewage and manure, soil nitrogen, and NH 4 + in fertilizer for groundwater and from sewage and manure for the river ...

Identification of sources and transformations of nitrate in Cr(VI ...

Identification of sources and transformations of nitrate in Cr(VI)-impacted alluvial aquifers by a hydrogeochemical and δ15N-NO3- and δ18O ...

Tracing nitrate pollution sources and transformation in surface

A prerequisite for controlling and managing nitrate pollution is to identify sources of nitrate. Possible sources of nitrate contamination in water include ...

Nitrate Source and Transformation in Groundwater under Urban and ...

Especially in the arid Nile Delta of Egypt, groundwater is one of the most valuable water resources in the region. Identifying the source of nitrate in ...

Tracing nitrate pollution sources and transformations in the over ...

61 Citations · Tracing nitrate sources in the groundwater of an intensive agricultural region · Identification of Sources and Transformations of Nitrate in the ...

Estimation of nitrate pollution sources and transformations in ...

The identification of nitrate (NO3-) sources and biogeochemical transformations is critical for understanding the different nitrogen (N) pathways, and thus, ...