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An Analysis on Electrical Conduction Spatial Characteristics in Saline-Alkali Soil

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Abstract:

This paper mainly analyzes the spatial distribution of electrical conduction (EC) in the five study areas using the measured data by EM38. The analysis on electrical conduction spatial variation is conducive to correctly understand the electrical conduction measurement results in saline-alkali soil. Based on the analysis of sampled electrical conduction data, the following conclusions are obtained. First, the spatial variation of electrical conduction is related to its mean. From a macro point of view, the greater the mean of electrical conduction is, the stronger spatial heterogeneity will be. This relationship may not be met when two study areas have the similar mean of electrical conduction. Second, the spatial autocorrelation length of electrical conduction distribution is the description of the spatial correlation relation changes with distance, while the sill of electrical conduction indicates the amplitude of electrical conduction spatial variation. Finally, the discrete Fourier transform results show that electrical conduction has different spatial period in the five study areas.

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Info:

Periodical:

Advanced Materials Research (Volumes 466-467)

Pages:

70-74

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.466-467.70

Citation:

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Online since:

February 2012

Authors:

Xing Ming Zheng, Kai Zhao, Ling Jia Gu

Keywords:

Electrical Conuction, Saline-Alkali Soil, Spatial Autocorrelation, Spatial Distribution

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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