SEM ANALYSIS OF SOIL PORE AND ITS FRACTAL DIMENSION ON MICRO SCALE
Author:
Affiliation:

Clc Number:

Fund Project:

  • Article
  • |
  • Figures
  • |
  • Metrics
  • |
  • Reference
  • |
  • Related
  • |
  • Cited by
  • |
  • Materials
  • |
  • Comments
    Abstract:

    Samples of two soils different in soil texture were collected and scanned with a scanning electron microscope(SEM) producing SEM images in the scale ranging from 0.1 to 127.8 μm for analysis of size and number of pores and their distributions.The mass fractal dimension Dm and the surface fractal dimension Ds of soil pores are obtained from the measured data.The analysis shows that the certain correlativity of Dm existed with soil texture,bulk density,porosity and pore-size distribution.The finer the soil texture,the larger the bulk density,the lower the porosity,the higher the percentage of small pores,and the larger the Dm.Dm displayed a significant linear regression relationship with soil bulk density and soil porosity of soil.Ds reflects the degree of irregularity of the pore-solid interface in soil,and the larger the Ds the more irregular the soil pore profile.The distribution of Ds was found in agreement with a total normal distribution in soil pore.Both Dm and Ds was sensitive to variation of management pattern and tillage system of soils and they may be cited as useful indicators for soil management.

    Reference
    Related
    Cited by
Get Citation

Zhang Jiru, Huang Li, Zhu Jie, Huang Wenjing. SEM ANALYSIS OF SOIL PORE AND ITS FRACTAL DIMENSION ON MICRO SCALE[J]. Acta Pedologica Sinica,2008,45(2):207-215.

Copy
Share
Article Metrics
  • Abstract:
  • PDF:
  • HTML:
  • Cited by:
History
  • Received:October 08,2006
  • Revised:December 14,2006
  • Adopted:
  • Online: May 10,2013
  • Published: