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Spatial Analysis of Infiltration Experiment

Författare

Summary, in English

Developing correlations between various soil parameters are considered the major challenge to diminish time and cost associated with field measurements. Soil hydraulic and physical properties were extensively characterized using tension disc infiltrometer and soil sampling in a silty clay agricultural field in Kalaat El-Andalous, Tunisia. Tension disc infiltrometer experiments were conducted at 109 plots with two supply water potentials (-30,-60 mm) at each plot to determine the hydraulic conductivity, sorptivity, capillary length, and matric flux potential. In addition, soil samples were analyzed to determine the soil bulk density, and water content. From the statistical and spatial analysis for the different parameters, it was found that the soil hydraulic parameters had larger variability than bulk density. Sorptivity, capillary length, matric flux potential, and bulk density had lager variance with the distance between the plots. No correlation was found between bulk density and the soil hydraulic parameters, nor could the soil hydraulic parameters be correlated to each other.

Publiceringsår

2011

Språk

Engelska

Sidor

729-742

Publikation/Tidskrift/Serie

Australian Journal of Basic and Applied Sciences

Volym

5

Issue

7

Dokumenttyp

Artikel i tidskrift

Förlag

INSInet Publications

Ämne

  • Other Social Sciences
  • Water Engineering

Nyckelord

  • Tension disc infiltrometer
  • soil hydraulic parameters
  • Minitab
  • Geoeas
  • Tunisia

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1991-8178