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Influence of contamination with diesel oil on water sorptivity and hydrophobicity of sandy loam soil

Bibliographic Data

ID21648328
AuthorsEdyta Hewelke (0000-0002-0253-7149, Water Centre Warsaw University of Life Sciences—SGGW Warsaw Poland), Jerzy Weber (0000-0002-7683-7291, Institute of Soil Science, Plant Nutrition and Environmental Protection Wrocław University of Environmental and Life Sciences Wrocław Poland, corresponding author), Dariusz Gozdowski (Department of Biometry Warsaw University of Life Sciences—SGGW Warsaw Poland), Dariusz Gozdowskı (0000-0002-7365-7607, Warsaw University of Life Sciences), Piotr Hewelke (Department of Environmental Improvement Warsaw University of Life Sciences—SGGW Warsaw Poland)
Year2023
Volume34
Issue10
Pages2780-2790
Publication date2023-06-01
Open AccessYes
TypeARTICLE
VenueLand Degradation and Development (JOURNAL)
Journal identifiersISSN: 1085-3278 • E-ISSN: 1099-145X
PublisherWiley (PUBLISHER • GB)
DOI10.1002/ldr.4646
OpenAlexW4320039040
LanguageEN
References cited80

This paper shows the changes in water sorptivity ( S w ) and hydrophobicity following soil contamination with petroleum hydrocarbons (PHs) under different soil moistures. Laboratory experiments were carried out to verify that contamination with PHs reduces S w , thus affecting the infiltrability, which in practice influences the field water capacity and the availability of water for plants. Soil water repellency (SWR) was estimated by the repellency index (R) and water drop penetration time (WDPT). The increase in PHs contamination contributed to SWR and caused a significant decrease in S w . With the decrease in moisture, the water sorptivity of the soil increased, reaching its maximum at 0.12–0.15 cm 3 cm −3 , which was the threshold value in the case of the analysed soil, and then decreased drastically. The R index and the WDPT revealed a similar trend, inversely related to the level of soil contamination with PHs. The increase in SWR and the accompanying decrease in S w made the soil less resistant to drought. The total amount of water available to plants in the control soil was 19.04%, whereas contamination with PHs equal to 100 g kg −1 caused a decrease to 6.36%. The almost threefold decrease in the total amount of water has a fundamental influence on increasing the risk of soil drought. The results obtained indicated that the interrelationship presented between the level of contamination with PHs, water sorptivity, SWR and soil moisture are the keys to predicting the environmental effects of contamination with PHs. The obtained results indicate that the undertaken remediation measures aimed at restoring the hydrological function of the soil system should be preceded by an assessment of soil hydrophobicity

Biology · Contamination · Field capacity · Geotechnical engineering · Loam · Moisture · Porosity · Soil contamination · Soil water · Sorptivity · Water content · Chemistry · Environmental Science · Fire dynamics and safety research · Fire effects on ecosystems · Materials Science · Plant Water Relations and Carbon Dynamics · Ecology · Environmental Chemistry · Geology · Soil Science

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