Journal Highlights

How stream restoration projects affect hyporheic exchange

Editor’s Highlight—


This paper presents a new modeling approach to predict the effects of stream restoration on hyporheic exchange and nutrient retention. The modeling is based on the 1D transient storage approach for downstream transport coupled to a subsurface advection component. This approach provides some interesting insights to differences between “engineered steps” versus natural stream bottom bathymetry. Overall, the authors manage to translate the rather arcane physics of hyporheic exchange into a practical framework for river restoration in cases where the goal is to improve nutrient (and in particular, nitrate) removal. It should be of wide interest to both hydrologists and water engineers.