Water and Soil

Comparison Of Methods To Estimate The Oxygen Diffusion Ratio And Air Permeability By Using The Effective Saturated And Soil Moisture

Document Type : Research Article

Author

panah mohamadi
https://doi.org/10.22067/jsw.v0i0.20431
Abstract
Gas diffusion ratio in the soil in compare to diffusion in the atmosphere (DP/D0) and air permeability in the soil (Ka) is a function of soil physical characteristic, including pore size, continuity and air porosity.The results showed that with increase in soil moisture and Se, DP/D0 and Ka decreased as a logarithmic function. Maximum and minimum value are obtained, at low and high humidity (near saturation), respectively

Keywords

Oxygen meter
Gas diffusion
Air permeability
Soil Moisture
Effective saturation
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Water and Soil
Volume 27, Issue 5 - Serial Number 5
Autumn 2014
Pages 1023-1033

  • Receive Date 26 March 2013
  • First Publish Date 22 December 2013

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