Sources of Nitrogen Pollution in Upstream of Fenhe River Reservoir Based on the Nitrogen and Oxygen Stable Isotope

Zhao, Ying; Dang, Jinhua; Wang, Fei

doi:10.1155/2020/6574210

Cited by 14 publications

(11 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Nitrogen is an important element for life. Even though nitrogen and other ions have been recognized as major cause for water eutrophication, its effects on aquatic ecosystems have now become a major worry to society (Zhao et al, 2020). Before the advent of the industrialization and the green movement, the rate of supply of nitrogen on Earth was limited to the rate of bacterial nitrogen fixation, but recent growth of urbanization and industrialization now has roughly doubled the rate.…”

Section: Sources Of Nitrogenmentioning

confidence: 99%

“…In addition, Nitrogen fluxes via the atmosphere and rivers have grown by 10-15-fold at most in certain parts of the Earth (Howarth, 2008). The main sources of nitrogen including geological sources (Howarth, 2008;Paredes et al, 2019;Yang et al, 2018), atmospheric precipitation (Gibrilla et al, 2020;Howarth, 2008), urban waste, agricultural land (Ding, 2014), livestock and poultry operations (Barrios-González, 2018;Granéli and Granéli, 2008;Zhao et al, 2020). Nitrate is the key form of nitrogen pollution that takes place in freshwater bodies.…”

Section: Sources Of Nitrogenmentioning

confidence: 99%

“…In current years, the extreme usage of agricultural fertilizers, the discharge of huge volumes of domestic sewage. Nitrate content in freshwater bodies is caused by animal manure, which postures a probable risk to the health of human-beings (Zhao et al, 2020). Each of these environmental effects can be magnified by the 'nitrogen cascade': a single atom of Nr can trigger a cascade of negative environmental impacts in sequence (Erisman, 2013).…”

Section: Sources Of Nitrogenmentioning

confidence: 99%

See 2 more Smart Citations

A review on application of external carbon sources for denitrification for wastewater treatment

2022

Global NEST: The International Journal

View full text Add to dashboard Cite

<p>With the increase in industrial and agricultural activities, huge amount of wastewater containing nitrogen is produced. Biological denitrification is currently the most widely used, sustainable and cost-effective process to remove nitrogen from wastewater. In biological denitrification, application of external carbon sources for denitrification is important because it is the way to boost the denitrification process and it is necessary for wastewater treatment plants that have to meet very stringent effluent nitrogen limits. This review study focused with treatment of wastewater using biological denitrification as advantages. This also deals with advantages of different external carbon sources with emphasis on biological denitrification as the cost of biological denitrification is controlled by the carbon source because the cost of biological denitrification is controlled by the carbon source.. Hence, use of alternative carbon sources such as agricultural wastes, and food waste is reviewed in this paper. This study recommend other waste material such as textile waste can be a part of denitrification because carbon source such as methanol, ethanol and acetic acid/acetate can be recovered from textile waste.</p>

show abstract

Section: Sources Of Nitrogenmentioning

confidence: 99%

Section: Sources Of Nitrogenmentioning

confidence: 99%

Section: Sources Of Nitrogenmentioning

confidence: 99%

See 1 more Smart Citation

A review on application of external carbon sources for denitrification for wastewater treatment

2022

Global NEST: The International Journal

View full text Add to dashboard Cite

show abstract

“…This is in many areas an important source, especially in intensive cropping systems, such as irrigation schemes. It is, however, not nearly the only source and, in some areas, not nearly the most important source, however (e.g., Zhao et al [49]. In or near urban areas, nitrate pollution is mainly from leaking sewage systems and septic tanks, industrial spillages, leachates from landfill sites and fertilizers which are applied in gardens and parks [50].…”

Section: Nitrogenmentioning

confidence: 99%

Factors That Determine the Sorption of Mineral Elements in Soils and Their Impact on Soil and Water Pollution

Nortjé

Laker

2021

Minerals

View full text Add to dashboard Cite

Soil is an essential ecosystem, delivering valuable services such as the provision of food, energy and raw materials, carbon sequestration, water purification and infiltration, nutrient regulation, pest control and recreation. Therefore, soil is crucial for fighting climate change, protecting human health, safeguarding biodiversity and ecosystems and ensuring food security. Pollution of the soil by organic and inorganic substances is, therefore, detrimental to ecosystem services and/or human health. Heavy metals at harmful concentrations are highly detrimental, and here, mining activities are one of the main sources of soil pollution. According to studies conducted, some of the major soil factors affecting mineral (including P) sorption are time, soil pH, soil organic matter and iron and aluminum oxides of soils. This paper looks at sources of mineral element pollution, including heavy metals, as heavy metals are toxic to all living organisms, including humans. This paper also reviews both cationic heavy metals and inorganic anionic pollutants, such as phosphate and arsenic, as well as cationic, non-heavy-metal pollutants such as nitrogen and potassium.

show abstract

“…Traditional approaches to identifying nitrate sources combine the land use type with hydrogeochemical theory, but the results have significant uncertainty because of the complexity of the nitrate migration and transformation processes and the dispersion and concealment of pollution sources [10]. Advances in isotope identification technology and the fact that different nitrate sources have different stable isotope characteristics have led to the wide application of the nitrogen and oxygen dual-isotope technique for determining nitrate sources in water [11]. Nitrate nitrogen and oxygen isotopes can be coupled with Bayesian mixing models to provide a powerful tool for quantitatively identifying the mixing ratios of different nitrate sources [12].…”

Section: Introductionmentioning

confidence: 99%

Traceability of Nitrogen and Oxygen Isotopes in Nitrates with the SIAR Model: Case Study on the Wangbeng Interval of the Huaihe River Basin

Tong¹,

Gao²,

Pang³

et al. 2022

Pol. J. Environ. Stud.

View full text Add to dashboard Cite

The identification of non-point nitrate sources is important for the study and management of non-point pollution sources in agricultural areas. In this study, the nitrogen and oxygen dual-isotope technique and the Stable Isotope Analysis in R (SIAR) model were used to qualitatively and quantitatively analyze nitrate sources in the Huaihe River basin in China. The results showed that the inorganic nitrogen in the water was mainly in the form of nitrate nitrogen with a mean concentration of 1.32 mg/L. In the middle section, the major pollution sources were manure and domestic sewage (43.46%) and soil (30.23%), followed by chemical fertilizer (14.56%), dead branches and fallen leaves (8.18%), and atmospheric deposition (3.55%). Chemical fertilizers due to farmland cultivation were a bigger pollution source in the upper reaches (28.73%) than in the middle reaches (5.76%) and downstream (4.37%). Chemical fertilizers (74.86%) were the main pollution source on the south bank, while soil (34.43%), manure and domestic sewage (33.24%), and chemical fertilizers (29.31%) were the main pollution sources on the north bank. The main sources of NO3-were soil, chemical fertilizer, excrement and domestic sewage. Atmospheric deposition and dead leaves were the secondary sources of nitrate pollution. Major pollution sources comprised a large proportion of the total pollution (89.67%) compared to secondary pollution sources (10.33%). These findings highlight the significant impacts of manure, domestic sewage, and agricultural fertilizer, and they can be used to support nitrogen management practices in agricultural areas.

show abstract

Sources of Nitrogen Pollution in Upstream of Fenhe River Reservoir Based on the Nitrogen and Oxygen Stable Isotope

Cited by 14 publications

References 21 publications

A review on application of external carbon sources for denitrification for wastewater treatment

A review on application of external carbon sources for denitrification for wastewater treatment

Factors That Determine the Sorption of Mineral Elements in Soils and Their Impact on Soil and Water Pollution

Traceability of Nitrogen and Oxygen Isotopes in Nitrates with the SIAR Model: Case Study on the Wangbeng Interval of the Huaihe River Basin

Contact Info

Product

Resources

About