Fig. 1. Location of Study Area (Seolmacheon Basin)
Fig. 2. Location of the CRNP and FDR stations at the study area
Fig. 3. A Soil types determination according to their clay, silt, and clay composition, as used by Soil Texture Triangle diagram from the USDA
Fig. 4. Comparison of volumetric soil moisture measured by FDR network against those obtained from direct sampling method
Fig. 5. Time series of soil moisture and precipitation observed at all stations from July. 2018 to Oct. 2018
Fig. 6. Box-plot for soil moisture variability at each FDR station for four different measurement depths: (a) 10 cm, (b) 20 cm, (c) 30 cm, and (d) 40 cm
Fig. 7. Temporal stability analysis for soil moisture values obtained at four different measurement depths: (a) 10 cm, (b) 20 cm, (c) 30 cm, and (d) 40 cm
Fig. 8. Comparison of temporal stable location-measured soil moisture versus areal mean soil moisture at four different measurement depths:(a) 10 cm, (b) 20 cm, (c) 30 cm, and (d) 40 cm
Table 1. Field Sites, Geographic location, elevation, and sensor depths for FDR soil moisture verification network
Table 2. Average soil properties for different sectors within the verification network
Table 3. Summary of evaluation statistics of FDR-measured soil moisture against gravimetric sampling-based soil moisture
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