TY - RPRT TI - Temporal variability in nitrate – discharge relationships in large rivers as revealed by high frequency data AU - Margaret Zimmer AU - Brian A. Pellerin AU - Douglas A. Burns AU - Gregory Paul Petrochenkov PY - 2019 DO - 10.1029/2018wr023478 UR - https://pubs.usgs.gov/publication/70216037 ID - 70216037 ER -