The Impact of Diesel Oil Pollution on the Hydrophobicity and CO2 Efflux of Forest Soils

Water, Air, and Soil Pollution
Edyta HewelkeRufat Aghalarov

Abstract

The contamination of soil with petroleum products is a major environmental problem. Petroleum products are common soil contaminants as a result of human activities, and they are causing substantial changes in the biological (particularly microbiological) processes, chemical composition, structure and physical properties of soil. The main objective of this study was to assess the impact of soil moisture on CO2 efflux from diesel-contaminated albic podzol soils. Two contamination treatments (3000 and 9000 mg of diesel oil per kg of soil) were prepared for four horizons from two forest study sites with different initial levels of soil water repellency. CO2 emissions were measured using a portable infrared gas analyser (LCpro+, ADC BioScientific, UK) while the soil samples were drying under laboratory conditions (from saturation to air-dry). The assessment of soil water repellency was performed using the water drop penetration time test. An analysis of variance (ANVOA) was conducted for the CO2 efflux data. The obtained results show that CO2 efflux from diesel-contaminated soils is higher than efflux from uncontaminated soils. The initially water-repellent soils were found to have a bigger CO2 efflux. The non-linear relationship be...Continue Reading

References

Apr 1, 1993·Applied and Environmental Microbiology·N el-Din Sharabi, R Bartha
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Nov 10, 2015·Water, Air, and Soil Pollution·Anna Klamerus-IwanPiotr Waligórski

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Citations

Jan 12, 2020·Environmental Science and Pollution Research International·Edyta Hewelke, Dariusz Gozdowski
Feb 20, 2021·Environmental Science and Pollution Research International·Macdonald Ogorm MafianaShi-Weng Li
Aug 18, 2021·Environment Systems & Decisions·Adedapo O AdeolaAbimbola C Ogunyele
Dec 1, 2021·Environmental Science and Pollution Research International·Zhijie ShangXinxue Li

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