TY - RPRT TI - Organic matter integration, overprinting, and the relative fraction of optically active organic carbon in a human-impacted watershed AU - Robert S. Eckard AU - Brian A. Bergamaschi AU - Brian A. Pellerin AU - Robert G. Spencer AU - Rachel Y. Dyda AU - Peter J. Hernes PY - 2020 DO - 10.3389/feart.2020.00067 UR - https://pubs.usgs.gov/publication/70275352 ID - 70275352 ER -