The Validation of negative exponential depth distribution function based empirical approach in predicting deep soil organic carbon (SOC) concentration on China’s Loess Plateau. (IMAGE)
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The relationships of predicted SOC to measured SOC concentration along soil profiles at specific sites (0-500 cm, a) and whole region (0-200 cm, b) on China’s Loess Plateau. The RMSE is the root mean square error of the relationship, R2 is determination coefficient of the relationship. The dashed line is 1:1 line. The red solid line is the fitted line of measured SOC to predicted SOC. Shaded area of red solid line shows the 95% confidence interval.
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