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Application And Comparison Of Three Spatial Statistical Methods For Mapping And Analyzing Soil Erodibility, George Gertner, Guangxing Wang, Pablo Parysow, Alan Anderson
Application And Comparison Of Three Spatial Statistical Methods For Mapping And Analyzing Soil Erodibility, George Gertner, Guangxing Wang, Pablo Parysow, Alan Anderson
Conference on Applied Statistics in Agriculture
The Revised Universal Soil Loss Equation (RUSLE) is a model to predict longtime average annual soil loss, related to rainfall-runoff, soil erodibility, slope length and steepness, cover management, and support practice. The soil erodibility factor K accounts for the influence of soil properties on soil loss during storm events in upland areas.
In this paper, ordinary kriging, sequential Gaussian and indicator simulation methods were used and compared for spatial prediction and uncertainty analysis of soil erodibility based on a data set from a very intensive soil survey (524 observations, 10 m by 10 m grid). Half the data was used …