Advanced measurement methods in time domain reflectometry for soil moisture determination

C Huebner, S Schlaeger, R Becker… - … Wave Interaction with …, 2005 - Springer
Knowledge of soil moisture is essential to many applications in hydrology, agriculture, and
civil engineering. Among the various electromagnetic or dielectric moisture measurement …

Propagation velocity errors in time domain reflectometry measurements of soil water

WR Hook, NJ Livingston - Soil Science Society of America …, 1995 - Wiley Online Library
The determination of soil water content by time domain reflectometry (TDR) involves two
steps: the measurement of the propagation velocity of an electromagnetic pulse along a …

Considerations on the use of time‐domain reflectometry (TDR) for measuring soil water content

WR Whalley - Journal of Soil Science, 1993 - Wiley Online Library
Time‐domain reflectometry (TDR) is becoming an increasingly popular technique for
measuring soil water content. It is based on measuring the dielectric constant of soil from the …

Measurement of volumetric water content by TDR in saline soils

GCL Wyseure, MA Mojid… - European Journal of Soil …, 1997 - Wiley Online Library
Time‐domain reflectometry (TDR) evaluates the bulk dielectric constant, K, of the soil by
measuring the travel time of an electromagnetic pulse through a sensor, and through it …

High‐resolution time domain reflectometry coil probe for measuring soil water content

HH Nissen, P Moldrup… - Soil Science Society of …, 1998 - Wiley Online Library
Time domain reflectometry (TDR) is becoming a widely used nondestructive method for
measuring soil‐water content (θ), but relatively little effort has been put into the development …

Modelling of electromagnetic wave propagation along transmission lines in inhomogeneous media

C Hübner, K Kupfer - Measurement Science and Technology, 2007 - iopscience.iop.org
Time domain reflectometry (TDR) is a well-established method for the measurement of
moisture in various materials, especially soils. Standard waveform analysis usually provides …

Evaluation of simple transmission line oscillators for soil moisture measurement

GS Campbell, RY Anderson - Computers and Electronics in Agriculture, 1998 - Elsevier
Time domain reflectometry (TDR) measures water content in soil by measuring the travel
time of an electrical pulse in a transmission line which is buried in the soil. Travel time is …

A new TDR waveform analysis approach for soil moisture profiling using a single probe

D Moret, JL Arrúe, MV López, R Gracia - Journal of hydrology, 2006 - Elsevier
Time Domain Reflectometry (TDR) has been widely accepted as a reliable technology for
the measurement of volumetric water content (θ) in soils. Here, we present a new procedure …

Time‐domain reflectometry techniques for soil water content and electrical conductivity measurements

PA Ferré, GC Topp - Sensors update, 2000 - Wiley Online Library
Over the past 20 years, considerable progress has been achieved toward the successful
application of TDR to the measurement and monitoring of soil water content. The …

Calibration of time domain reflectometry (TDR) for soil moisture measurements in cultivated peat soils.

M Myllys, A Simojoki - 1996 - cabidigitallibrary.org
Time domain reflectometry (TDR) is a relatively new technique for measuring soil water
content. It is based on measuring the apparent dielectric number (Ka) of the soil from the …