Clay activity index as an indicator of soil erodibility

Year 2017, Volume: 6 Issue: 4, 307 - 311, 01.10.2017

Nutullah Özdemir , Coşkun Gülser

https://doi.org/10.18393/ejss.304519

Cited By: 3

Abstract

Activity index (AI)
value characterizes the relationship between the plasticity index and clay
content. In this study, AI value was investigated to determine whether it might
be used as an indicator of soil structural stability or not. The AI values of
75 soil samples gave the significant negative correlations with their
dispersion ratio (DR), soil erodibility factors (K) and erosion ratios (ER).
Also, the AI values of the soils including clay and sandy clay loam textural
class showed significant positive correlation with soil structural stability
index (SSI). It seems that the AI value may be used as an indicator of soil
structural stability.

Keywords

AI value, erosion ratio, soil erodibility, structure stability index

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