Relation of Pathways and Transit Times of Recharge Water to Nitrate Concentrations Using Stable Isotopes

Authors

Matthew K. Landon, US Geological Survey
Geoffrey N. Delin, US Geological Survey
Stephen C. Komor, US Geological Survey
Charles P. Regan, Minnesota Pollution Control Agency

Date of this Version

2000

Comments

Published in GROUND WATER Vol 38, No. 3, 2000.

Abstract

Oxygen and hydrogen stable isotope values of precipitation, irrigation water, soil water, and ground water were used with soil-moisture contents and water levels to estimate transit times and pathways of recharge water in the unsaturated zone of a sand and gravel aquifer.