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Correction to: Environmental Earth Sciences (2021) 80:330 https://doi.org/10.1007/s12665-021-09618-2
Unfortunately, the article was published with a derivation error. The formula (7) in the article should be expressed as follows:
$${\text{EC}}_{{{\text{water}}}} = \frac{{\left[ {\frac{{\left( {\varepsilon_{{{\text{soil}}}} } \right)^{k} - \left( {\varepsilon_{{\text{s}}} } \right)^{k} }}{{\left( {\varepsilon_{{\text{a}}} } \right)^{k} - \left( {\varepsilon_{{\text{s}}} } \right)^{k} }} + \frac{{\left( {\varepsilon_{{\text{a}}} } \right)^{k} - \left( {\varepsilon_{{\text{w}}} } \right)^{k} }}{{\left( {\varepsilon_{{\text{a}}} } \right)^{k} - \left( {\varepsilon_{{\text{s}}} } \right)^{k} }} \cdot \left( {a\sqrt {\varepsilon_{{{\text{soil}}}} } + b} \right)} \right]^{h - m} }}{{\left( {a\sqrt {\varepsilon_{{{\text{soil}}}} } + b} \right)^{h} }}\left( {{\text{EC}}_{{{\text{soil}}}} - {\text{EC}}_{{{\text{surface}}}} } \right)$$
(7)
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Zhan, L., Guo, Q., Mu, Q. et al. Correction to: Detection of ionic contaminants in unsaturated soils using time domain reflectometry penetrometer. Environ Earth Sci 80, 391 (2021). https://doi.org/10.1007/s12665-021-09694-4
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DOI: https://doi.org/10.1007/s12665-021-09694-4