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- Title
Soil great groups discrimination using magnetic susceptibility technique in a semi-arid region, central Iran.
- Authors
Ayoubi, Shamsollah; Abazari, Parvin; Zeraatpisheh, Mojtaba
- Abstract
This study was performed to determine the variability of magnetic susceptibility to discriminant soil great groups in an arid region including six soil great groups in the Borujen Region, Chaharmahal-Va-Bakhtiari Province, central Iran. Seventy-three soil profiles were described and classified in six soil great groups (i.e., Calcixerepts, Haploxerepts, Haploxeralfs, Xerorthents, Calcixerolls, and Haploxerolls) according to the Soil Survey Staff. Soil organic carbon (OC), calcium carbonate equivalent (CaCO3), pH, electrical conductivity (EC), dithionite extractable iron (Fed), oxalate extractable iron (Feo), iron pyrophosphate (Fep), magnetic susceptibility at low and high frequencies (χlf and χhf), and frequency-dependent (χfd) were measured in the laboratory for the soils selected from control sections. Among the six soil great groups, Haploxerolls showed the highest χlf and χhf values, lowest Feo, highest Fed and Fed-Feo, as well as the highest Fep. However, all stated features showed an inverse trend for Haploxeralfs great group. The results of discriminant analysis indicated that the accuracy of 54.11% was achieved to discriminant soil great group for the combination of magnetic measures, different form of Fe, and soil physicochemical properties in the control section. Therefore, it can be concluded that magnetic susceptibility could be used as a fast and nondestructive technique for discrimination of soil great groups in the present case.
- Publication
Arabian Journal of Geosciences, 2018, Vol 11, Issue 20, p1
- ISSN
1866-7511
- Publication type
Article
- DOI
10.1007/s12517-018-3941-4