Articles | Volume 27, issue 2
Research article
31 Jan 2023
Research article |  | 31 Jan 2023

Groundwater flow paths drive longitudinal patterns of stream dissolved organic carbon (DOC) concentrations in boreal landscapes

Anna Lupon, Stefan Willem Ploum, Jason Andrew Leach, Lenka Kuglerová, and Hjalmar Laudon

Data sets

Stream and groundwater dissolved organic carbon (DOC) concentrations along a boreal headwater S. W. Ploum, A. Lupon, J. A. Leach, L. Kuglerová, and H. Laudon

Short summary
Discrete riparian inflow points (DRIPs) transport dissolved organic carbon (DOC) from large areas to discrete sections of streams, yet the mechanisms by which DRIPs affect stream DOC concentration, cycling, and export are still unknown. Here, we tested four models that account for different hydrologic and biological representations to show that DRIPs generally reduce DOC exports by either diluting stream DOC (snowmelt period) or promoting aquatic metabolism (summer).