What question did this study set out to answer?

The study aims to accurately estimate saturated hydraulic conductivity using critical path analysis based on soil water retention data.

Estimating saturated hydraulic conductivity of soil samples from Kansas mesonet database

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This analysis estimates saturated hydraulic conductivity in soil using critical path analysis, suggesting its reliability in fine-textured soils.

The study aims to accurately estimate saturated hydraulic conductivity using critical path analysis based on soil water retention data.
Applied critical path analysis to soil water retention curves
Utilized observations from 313 undisturbed soil cores
Compared CPA's performance with five additional methods for estimating saturated hydraulic conductivity
CPA achieved a root mean square log-transformed error of 0.87
Predicted values were within a factor of 10 of actual measurements for most samples
Other methods resulted in higher RMSLE values, with the Kozeny–Carman model at 1.42

Ghanbarian et al. (2026) studied this question.

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This analysis estimates saturated hydraulic conductivity in soil using critical path analysis, suggesting its reliability in fine-textured soils.