Contribution of nitrate sources in surface water in multiple land use areas by combining isotopes and a Bayesian isotope mixing model

• Published in: Applied geochemistry Vol. 93; pp. 10 - 19
• Main Authors: Jin, Zanfang, Zheng, Qi, Zhu, Chenyang, Wang, Yan, Cen, Jiarong, Li, Feili
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.06.2018
• Subjects: Bayesian theory; China; denitrification; drinking water; eutrophication; geochemistry; hydrogeology; ions; Isotopes; mineral fertilizers; mixing; multiple land use; Nitrate; nitrates; nitrification; nitrogen; nitrogen content; nonpoint source pollution; rivers; sewage; soil; Source contribution; Stable isotope analysis in R (SIAR); stable isotopes; statistical models; surface water; temporal variation; The east tiaoxi river system; China; Source contribution; Nitrate; The east tiaoxi river system; Isotopes; Stable isotope analysis in R (SIAR)

Nitrate pollution is a worldwide problem in aquatic systems. Major ions and stable isotopes (δD-H2O, δ18O-H2O, δ15N-NO3 and δ18O-NO3) were applied to reveal the characteristics of nitrate and identify its sources in the East Tiaoxi River system, which is one of the most densely populated, rapidly de...