Mechanisms of nitrate accumulation in highly urbanized rivers: Evidence from multi-isotopes in the Pearl River Delta, China
Yingxue Xuan, Changyuan Tang, Yingjie Cao
Topics & Concepts
Nitrateδ15NEnvironmental chemistryNitrificationAmmoniumDenitrificationIsotopes of nitrogenEnvironmental scienceStable isotope ratioIsotopic signatureδ18OIsotope fractionationNitrogenHydrology (agriculture)ChemistryEcologyδ13CBiologyGeologyGeotechnical engineeringOrganic chemistryPhysicsQuantum mechanicsGroundwater and Isotope GeochemistrySoil and Water Nutrient DynamicsMarine and coastal ecosystems