TY - JOUR A1 - Suchy, M. A1 - Wassenaar, L. I. A1 - Graham, G. A1 - Zebarth, B. T1 - High-frequency NO3− isotope (δ15N, δ18O) patterns in groundwater recharge reveal that short-term changes in land use and precipitation influence nitrate contamination trends JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 22 IS - 8 SP - 4267 EP - 4279 Y1 - 2018/08/13 PB - Copernicus Publications SN - 1607-7938 UR - https://hess.copernicus.org/articles/22/4267/2018/ L1 - https://hess.copernicus.org/articles/22/4267/2018/hess-22-4267-2018.pdf DO - 10.5194/hess-22-4267-2018 ER -