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Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATER RESEARCH   SPRING 2015 , Volume 46 , Number 1; Page(s) 121 To 131.
 
Paper: 

RUNOFF GENERATION IN KEROSENE AND GAS OIL CONTAMINATED SOILS

 
 
Author(s):  SHIR MOHAMMADI SIMA, HOMAEE MEHDI*, SADEGHI SEYED HAMID REZA
 
* DEPARTMENT OF SOIL SCIENCE, FACULTY OF AGRICULTURE, TARBIAT MODARES UNIVERSITY
 
Abstract: 

A quantitative evaluation of the effects of contamination of soil with petroleum, on the soil physical properties, is required for optimal soil and water resources management. The objective followed in the present study was to investigate runoff generation in soils contaminated with Kerosene and Gas Oil. Towards this end, variables of runoff commencement, runoff coefficient, variations in runoff duration time as well as cumulative runoff were determined for the contaminated soils. The experimental treatments consisted of two concenterations of Kerosene and Gas Oil. The results indicated that Kerosene and Gas Oil contaminated soil plots significantly influenced the commencement of runoff, so that, the runoff commencement for non-contaminated plots occurred 128 seconds later than that for the contaminated plots. However, different types of petroleum of the same quantities did not significantly influence the runoff commencement. In addition, a maximum runoff coefficient was obtained for higher concentrations of contaminants. The results further indicated that the runoff coefficient in contaminated plots was about 3 to 3.5 times that of non-contaminated plots. The contaminated soil plots exerted a significant influence on an increasing of the cumulative runoff in comparison with the non-contaminated plots.

 
Keyword(s): HYDROPHOBICITY, INFILTRATION, PETROLEUM COMPOUNDS, RAINFALL, SOIL AND WATER CONTAMINATION
 
References: 
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