Stable isotopes of dissolved nitrate are widely used in the assessment of denitrification in groundwater but are often difficult to interpret. We, therefore, applied environmental isotopes to determine mean transit times of groundwater and calculate oxygen reduction rates to assess denitrification lag-times. Moreover, Monte Carlo simulations have been carried out to perform δ¹⁵N data analyses regarding the effect of mixing and transport of different nitrate sources and denitrification processes on stable isotopes of nitrate.      «

Stable isotopes of dissolved nitrate are widely used in the assessment of denitrification in groundwater but are often difficult to interpret. We, therefore, applied environmental isotopes to determine mean transit times of groundwater and calculate oxygen reduction rates to assess denitrification lag-times. Moreover, Monte Carlo simulations have been carried out to perform δ¹⁵N data analyses regarding the effect of mixing and transport of different nitrate sources and denitrification processes...     »