Fig. 3. Best-fit coefficients for Aridisol (solid line), Andisol (dotted), Mollisol (dashed), and Entisol (dash-dotted) in a model of exponential decrease in soil reflectance with moisture, R = R_sat + (R_dry - R_sat) x exp(-c). (a) R_sat; (b) R_dry; (c) c; (d) Same as in (c) but using degree of saturation, s, in place of .

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