Measurement of soil water content and electrical conductivity by time domain reflectometry: A review

Research output: Contribution to journalArticle

318 Citations (Scopus)

Abstract

Non-destructive measurement of soil water content and electrical conductivity has been desired for many years. Recent development of time domain reflectometry (TDR) enables us to simultaneously obtain soil water content and electrical conductivity using a single probe with a minimal disturbance of soil. Research on water and solute transport in porous media using TDR has flourished in the last few years. In this review article, an overview of theoretical background for measuring water content and electrical conductivity is presented as well as characteristics of different types of probes. Limitations of applying TDR techniques to measuring soil water content and salinity are also addressed. The review is designed to equip other scientists and engineers with background information so that the development of TDR for studies on water and chemical movement can continue.

Original languageEnglish
Pages (from-to)213-237
Number of pages25
JournalComputers and Electronics in Agriculture
Volume31
Issue number3
DOIs
Publication statusPublished - 1 Jan 2001

Keywords

  • Electrical conductivity
  • Measurement
  • Soil
  • Time domain reflectometry
  • Water content

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