New publication on soil column incubation experiments that mimic landfill methane hot-spots

CAAF Landfills project team members and undergraduate students Tara Ferguson, Olivia Penn, and Melissa LeBlonc co-authored a new paper alongside co-Principal Investigator Fereidoun Rezanezhad, Principal Investigator Laura Hug, and Stephanie Slowinski from the Ecohydrology Research Group. Their article, “Landfill cover soil methane removal and microbial community composition response to applied rainfall in experimental soil columns,” is published in the Journal of Environmental Management and is available open access.

The study presents results from soil column incubation experiments designed to simulate landfill methane hot-spots under regional rainfall conditions. Findings show that methanotrophic activity decreases as soil moisture increases, emphasizing the importance of accounting for soil moisture in landfill methane mitigation strategies and cover soil design, particularly in regions with strong seasonal and climatic variability.

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