Estimation of Hydraulic Conductivity Using Geoelectrical and Infiltrometer Observations
2024
Novia Anggita, Dwinanti Rika Marthanty and Abdul Halim Hamdany
Hydraulic conductivity (K) as a parameter in surface and subsurface water interaction is an important study to research. Field observations using geoelectrics with the Schlumberger configuration and using infiltrometers with double ring were chosen as methods to estimate the (K) which aims to recognize the characteristics of the relationship between (K) obtained from different observation results. The estimated (K) obtained from infiltrometer observations are quite significant compared to geoelectric observations which range from 2.715 × 10-7 m/s to 6.132 × 10-7 m/s, while geoelectrical values range from 1.965 × 10-8 m/s to 3.896 × 10-9 m/s. In this study, the soil conditions in geoelectric observations were carried out in an unsaturated state and infiltrometer observations were in a saturated state. This soil condition is used as one of the reasons for interpreting the research results in this study, that the hydraulic conductivity in unsaturated soil conditions decreases compared to saturated soil.
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