Abstract
Studying the behavior of soil contaminated by diesel requires the measurement and calculation of electrical parameters such as permittivity and backscattering coefficient. It is also necessary to study the physical parameters such as surface roughness. The intent of this paper is to present a broad and updated overview of the diesel oil contaminated soil, emphasizing permittivity and scattering coefficient that are involved in determining and detecting the rate at which and extent to which hydrocarbons contaminate the soil and environment. The measurement of permittivity and the calculations of backscattering coefficient values were made with different amounts of diesel oil contamination and different incident angles in 5° intervals ranging from 10° to 80° for both horizontal and vertical polarization at C band. The values of scattering coefficient for different look angles (25°, 30°, 35°, 40°, 45°, 50°, and 55°) were calculated and are suitable for comparison with data generated from other remote sensing platforms. Accurate electrical parameter measurements of soil contamination and recognition of their dependence on physical and chemical composition are interesting and can support using microwave remote sensing instruments to observe the earth.
Highlights
Improved understanding of spatial variation of soil surface characteristics such as soil contamination, texture, and constituents is critical in remote sensing
Soil contamination is caused by the presence of man-made chemicals or other alteration in the natural soil environment. e average total worldwide annual release of petroleum from all known sources to the environment has been estimated at 1.3 million tons [4]
We will present some results obtained using the created application. e dielectric permittivity and scattering coefficient of the compound were calculated. e measurements were made in C band (5.3 GHz) for different amounts of diesel oil contamination at different incident angles for the both horizontal and vertical polarizations. e saturation point was observed a er the introduction of 22% of diesel oil to soil
Summary
Improved understanding of spatial variation of soil surface characteristics such as soil contamination, texture, and constituents is critical in remote sensing. E radar backscattering coefficient (σσ∘) from soil surface depends primarily on the surface roughness and the permittivity of the soil. It represents the scattering behavior of an object at a given frequency, incident angle, and polarization and it is de ned directly in terms of the incident and scattered elds [2]. Soil contamination is caused by the presence of man-made chemicals or other alteration in the natural soil environment. Pollution of the soil with petroleum and re nery products is one of the factors expressing anthropopression. Contamination of soils with crude oil and re nery products is becoming an ever increasing problem
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