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The effect of soil moisture and oxygen content on naphthalene biodegradation - Time series geochemistry data from an incubation experiment

Description: Biodegradation is a key process contributing to the natural attenuation and remediation of petroleum hydrocarbons (PHCs) in soils and groundwater, but the rates and pathways of PHC biodegradation depend on various environmental factors including soil moisture. Soil moisture exerts an important control on porewater dissolved O2 availability and solute transport, and by extension, on microbial biodegradation activity. To investigate the effect of soil moisture and oxygen availability on naphthalene biodegradation rates, we performed a microcosm incubation experiment under soil moisture conditions ranging from 60% to 100% water-filled pore space (WFPS), with oxic or anoxic headspace conditions, at a constant temperature of 25°C. Naphthalene-spiked soil microcosms were incubated for 44 days and sampled weekly. Time series data were generated for headspace gas concentrations, porewater chemistry, and total soil naphthalene concentrations, which are included in this dataset. Results and findings from analysis of this data are reported in Naphthalene biodegradation kinetics under variable soil moisture and oxygen (pending submission, DOI: TBD).
Notes: This dataset will be cited by a manuscript in preparation.

Please include this dataset in the Water Institute collection.
Item exited embargo and became publicly available on 2024-03-06
Authors: Ye, Jane; University of Waterloo; ORCID iD 0009-0002-6504-2976
Rezanezhad, Fereidoun; University of Waterloo; ORCID iD 0000-0002-9608-8005
Slowinski, Stephanie; Universtiy of Waterloo; ORCID iD 0000-0001-5090-441X
Ramezanzadeh, Mehdi; University of Waterloo; ORCID iD 0000-0003-3597-6583
Vandergriendt, Marianne; University of Waterloo
Van Cappellen, Philippe; University of Waterloo; ORCID iD 0000-0001-5476-0820
Keywords: petroleum hydrocarbons
soil moisture
biodegradation kinetics
Field of Research: 
Earth and related environmental sciences
Publication Date: 2024-03-06
Publisher: Federated Research Data Repository / dépôt fédéré de données de recherche
Funder: Natural Sciences and Engineering Research Council; Collaborative Research and Development Grant to Van Cappellen; CRDPJ: 533227-18
Canada First Research Excellence Fund (CFREF); Global Water Futures Program (GWF)
Natural Sciences and Engineering Research Council of Canada (NSERC); Canadian Graduate Scholarship - Master's
Government of Ontario; Queen Elizabeth II Graduate Scholarship in Science and Technology
Geographic Coverage: 
Province /
Province / Territory
Appears in Collections:Water Institute

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Access to this dataset is subject to the following terms:
Creative Commons Attribution 4.0 International (CC BY 4.0)
Ye, J., Rezanezhad, F., Slowinski, S., Ramezanzadeh, M., Vandergriendt, M., Van Cappellen, P. (2024). The effect of soil moisture and oxygen content on naphthalene biodegradation - Time series geochemistry data from an incubation experiment. Federated Research Data Repository.