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Experimental data for “Hydrological forcing reshapes nitrogen partitioning under microplastic amendment in hyporheic zones”
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This is a dataset, not a full study. It contains results from 36 lab experiments using sediment columns that mimic hyporheic zones (areas where surface water and groundwater mix), each treated with PVC or PLA microplastics under different wetting and drying patterns and water flow speeds.
This dataset contains column-level experimental data associated with the manuscript “Hydrological forcing reshapes nitrogen partitioning under microplastic amendment in hyporheic zones”. The dataset includes 36 independent sediment-column observations from PVC- and PLA-microplastic-amended simulated hyporheic-zone systems subjected to three drying-rewetting alternation (DWA) regimes and three hydraulic retention time (HRT) levels, with three replicate columns per treatment.
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A lab experiment simulated riverbed sediment zones to test how two types of microplastics, PVC and biodegradable PLA, affect nitrogen processing. PLA reduced nitrate levels, especially in fine-grained sediment, and altered oxygen levels, microbial communities, and nitrogen-related genes, while PVC had smaller effects overall.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.