News archive - September 2022

Thursday, September 22, 2022

New paper modeling explores the role of pore-scale heterogeneities in groundwater bioremediation

A new paper entitled “Pore-Scale Heterogeneities Improve the Degradation of a Self- Inhibiting Substrate: Insights from Reactive Transport Modeling” uses reactive transport modeling to analyze contaminant bioremediation in natural porous media such as soils and groundwater. The model accounts for the potential impact of substrate self-inhibition, that is, when microbial activity becomes inhibited at high concentrations of the contaminant. The results show that pore-scale heterogeneities enhance the bioremediation rate, compared to simulations in a homogeneous porous medium.

Wednesday, September 21, 2022

Ecohydrology Research Group presents at IAH 2022

Ecohydrology Research Group (ERG) members presented their research virtually at the 49th International Association of Hydrogeologists (IAH) Congress. Philippe Van Cappellen gave a Keynote Lecture on “Global Impacts of River Damming on Carbon and Nutrient Cycles: A Synthesis” on the final day of the congress, which was held fully online.

Friday, September 16, 2022

First Microplastics Annual Meeting in Waterloo

The first annual meeting of the Microplastics Fingerprinting project was held on the CIGI campus in downtown Waterloo. The aim of the workshop was to review the progress of the work so far and exchange ideas about further integration among the different work packages, as well as deepening collaborations with our external partners. Below is the program of the meeting.

Microplastics Annual Meeting 2022 Program

Tuesday, September 6, 2022

New paper co-authored by ERG researchers published in Frontiers in Environmental Science

A new paper in Frontiers in Environmental Science, co-authored by Ecohydrology Research Group member Fereidoun Rezanezhad assess the impact of freezing and thawing cycles on hydro-physical properties and dissolved organic carbon fluxes from peat soils. This study illustrates how the changes in peat physical and hydrological properties during the winter conditions play important roles in water flow and nutrients export in peatlands.

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