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Analysis of Soil Properties in a Rice Field Using Small Loop EM Method  

Yong Hwan-Ho (농업기반공사 농어촌연구원 지하수연구실)
Song Sung-Ho (농업기반공사 농어촌연구원 지하수연구실)
Kim Jin-Ho (농업기반공사 농어촌연구원 지하수연구실)
Cho In-Ky (강원대학교 자연과학대학 지구물리학과)
Publication Information
Geophysics and Geophysical Exploration / v.6, no.4, 2003 , pp. 207-214 More about this Journal
Abstract
To analyze soil properties with depth in rice field, we compared resistivity distributions obtained from soil analysis with one dimensional inversion of small loop electromagnetic (EM) data. Although it didn't show consistency exactly between the two resistivity distributions, low resistivity zones in soil analysis, appeared to agree with low resistivity zones in EM result. Therefore, small loop EM method can be applied to obtain rapidly the soil properties such as salt accumulation in a rice field. If research on soil property and EM responses of unsaturated zone would be conducted consistently, small loop EM method can be used effectively to detect salt accumulated zone in agricultural area.
Keywords
small loop EM method; resistivity; salt accumulation;
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