TY - RPRT TI - Constraining dissolved organic matter sources and temporal variability in a model sub-Arctic lake AU - Sarah Ellen Johnston AU - Matthew J. Bogard AU - Jennifer A. Rogers AU - David Butman AU - Robert G. Striegl AU - Mark M. Dornblaser AU - Robert G. M. Spencer PY - 2019 DO - 10.1007/s10533-019-00619-9 UR - https://pubs.usgs.gov/publication/70216137 ID - 70216137 ER -