TY - RPRT TI - Mississippi River nitrate loads from high frequency sensor measurements and regression-based load estimation AU - Brian A. Pellerin AU - Brian A. Bergamaschi AU - Robert J. Gilliom AU - Charles G. Crawford AU - John Franco Saraceno AU - C. Paul Frederick AU - Bryan D. Downing AU - Jennifer C. Murphy PY - 2014 DO - 10.1021/es504029c UR - https://pubs.usgs.gov/publication/70143395 ID - 70143395 ER -