Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 49 checked references that resolve
resolves10.1002/hyp.6640Characteristics of chemistry and stable isotopes in groundwater of Chaobai and Yongding River basin, North China Plain
resolves10.1111/j.1745-6584.1998.tb02104.xUse of Multiple Isotope Tracers to Evaluate Denitrification in Ground Water: Study of Nitrate from a Large‐Flux Septic System Plume
resolves10.1016/j.gca.2007.04.017Oxygen and sulfur isotope systematics of sulfate produced by bacterial and abiotic oxidation of pyrite
resolves10.1016/0022-1694(90)90068-9Using isotope fractionation of nitrate-nitrogen and nitrate-oxygen for evaluation of microbial denitrification in a sandy aquifer
resolves10.1016/j.chemgeo.2007.06.003Geological and land use control on δ34S and δ18O of river dissolved sulfate: The Moselle river basin, France
resolves10.1016/j.jhydrol.2018.04.072Tracing the origin and geochemical processes of dissolved sulphate in a karst-dominated wetland catchment using stable isotope indicators
resolves10.1021/ac020113wMeasurement of the Oxygen Isotopic Composition of Nitrate in Seawater and Freshwater Using the Denitrifier Method
resolves10.1016/S0883-2927(02)00206-8Paleoclimatic interpretation of the past 30 ka from isotopic studies of the deep confined aquifer of the North China plain
resolves10.1016/j.apgeochem.2011.04.015Sources and biogeochemical behavior of nitrate and sulfate in an alluvial aquifer: Hydrochemical and stable isotope approaches
resolves10.1007/s00254-004-1205-yHydrochemistry of urban groundwater in Seoul, South Korea: effects of land-use and pollutant recharge
resolves10.1016/S0883-2927(00)00052-4Controls on δ34S and δ18O of dissolved sulfate in aquifers of the Murray Basin, Australia and their use as indicators of flow processes
resolves10.1021/acs.est.7b00280Multiple Sulfur Isotope Constraints on Sources and Formation Processes of Sulfate in Beijing PM<sub>2.5</sub> Aerosol
resolves10.1016/j.ecolind.2014.04.008Ecological risk assessment and priority setting for typical toxic pollutants in the water from Beijing-Tianjin-Bohai area using Bayesian matbugs calculator (BMC)
resolves10.1016/j.apgeochem.2010.03.009Application of multi-isotope ratios to study the source and quality of urban groundwater in Metro Manila, Philippines
resolves10.1016/j.jhydrol.2010.11.025Multiple isotope (H, O, N, S and Sr) approach elucidates complex pollution causes in the shallow groundwaters of the Taipei urban area
resolves10.1029/JZ070i014p03475Variations in the S<sup>33</sup>, S<sup>34</sup>, and S<sup>36</sup>contents of meteorites and their relation to chemical and nuclear effects
resolves10.1016/j.agee.2009.04.004Identification of nitrate and sulfate sources in groundwater using dual stable isotope approaches for an agricultural area with different land use (Chuncheon, mid-eastern Korea)
resolves10.1016/j.scitotenv.2015.08.150Spatial distribution, temporal variation and risks of parabens and their chlorinated derivatives in urban surface water in Beijing, China
resolves10.1016/j.apgeochem.2010.10.008The use of environmental isotopic (C, Sr, S) and hydrochemical tracers to characterize anthropogenic effects on karst groundwater quality: A case study of the Shuicheng Basin, SW China
resolves10.1016/j.gca.2017.05.015Multiple sulfur isotope constraints on sulfate-driven anaerobic oxidation of methane: Evidence from authigenic pyrite in seepage areas of the South China Sea
resolves10.1023/A:1015744002496Sources of nitrate in rivers draining sixteen watersheds in the northeastern U.S.: Isotopic constraints
resolves10.1016/j.gca.2006.01.022Mass-dependent fractionation of quadruple stable sulfur isotope system as a new tracer of sulfur biogeochemical cycles
resolves10.1016/j.gexplo.2015.05.013Geochemical and multiple stable isotope (N, O, S) investigation on tap and bottled water from Beijing, China
resolves10.1016/S0883-2927(96)00070-4Discrimination of sulfur sources in pristine and polluted New Zealand river catchments using stable isotopes
resolves10.1016/j.ijheh.2007.09.009Drinking water nitrate and prevalence of methemoglobinemia among infants and children aged 1–7 years in Moroccan areas
resolves10.1021/ac010088eA Bacterial Method for the Nitrogen Isotopic Analysis of Nitrate in Seawater and Freshwater
resolves10.1623/hysj.48.5.835.51449Groundwater quality: focus on fluoride concentration in rural parts of Guntur district, Andhra Pradesh, India
resolves10.1016/j.gexplo.2005.08.016Chemistry and sulfur isotope investigation of industrial wastewater contamination into groundwater aquifers, Piteå County, N. Sweden
resolves10.1016/j.scitotenv.2015.07.088Variation analysis of streamflow and ecological flow for the twin rivers of the Miyun Reservoir Basin in northern China from 1963 to 2011
resolves10.1016/0883-2927(95)00013-AEvaluation of the origin and fate of nitrate in the Abbotsford Aquifer using the isotopes of15N and18O in NO3−
resolves10.1007/BF02879621N pollution sources and denitrification in waterbodies in Taihu Lake region
resolves10.1007/s10661-014-4249-9The spatial and seasonal variability of the groundwater chemistry and quality in the exploited aquifer in the Daxing District, Beijing, China
The 7 references without a DOI — listed, not checked
no DOI — not checkedIsotopes in Hydrology and Hydrogeology
no DOI — not checked10.1016/j.jhydrol.2020.125037_b0060
no DOI — not checkedMapping of fluorotic areas using isopleths technique and in situ fluoride dependence on water quality
no DOI — not checked10.1016/j.jhydrol.2020.125037_b0135
no DOI — not checkedKendall, C., Young, M.B., Silva, S.R., Kraus, T.E.C., Peek, S., Guerin, M. 2015. Tracing nutrient and organic matter sources and biogeochemical processes in the Sacramento River and Northern Delta: proof of concept using stable isotope data. U.S. Geological Survey, Data Release, .
no DOI — not checkedWHO 2011. -The World Health Organization. Guidelines for Drinking-water Quality 4th ed (Geneva, Switzerland).
no DOI — not checkedThe function of leaking from water pipes for recharging groundwater at cities
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