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Figure 4


FIG. 4. Effect of temperature on {varepsilon}r'' (imaginary component of relative complex permittivity) for eight representative soils (Tif5 = Little River, 5 cm; Ames =Ames, 5 cm; Breaks = Breaks, 30 cm; Wat50 = Watkinsonville, 50 cm; LW = Little Washita, 50 cm; WG5 = Walnut Gulch, 5 cm; On50 = Onward, 50 cm; and FR50 = Fort Reno, 50 cm; see Table 1). Each temperature–{varepsilon}r'' combination is represented by 12 to 15 measurements.