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A new TDR waveform approach capable to estimate soil moisture contents at large electrical conductivity ranges

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Academic year: 2020

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Figure 1-1. Real and imaginary part of TDR measured apparent permittivity as function  of water content, and Topp et al., (1980) adjustments (Bitelli et al., 2008)
Figure 1-2. TDR waveforms taken in solutions with different BEC (Jones et al., 2002)
Figure 2-1. TDR waveforms, obtained at a fixed moisture content ( exp = 0.037 m 3  m -3 )  but at different bulk electrical conductivities (BEC), reveal that the end of the sensors rods  (x 2 ) becomes undetectable above 5 dS m -1
Figure 2-2. Graphical representation of the variables  proposed to determine   based on  the new methodology
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