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The Health of the Remaining Soil

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A Geoinformatics Approach to Water Erosion
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Abstract

This chapter discusses the formalization of spatial information on soil health, and its implications for the quality of the remaining soil in the wake of erosion processes. This chapter extends the notion of water erosion damage from soil budgets, to comprehensive soil health and the provision of ecosystem services. It describes spatial autocorrelation of soil properties in the Harod catchment, by various methods—Moran’s I, Nugget: Sill ratio, and variogram envelope analysis. These are demonstrated using geoinformatics procedures, to show how GIS layers for the stratified random approach are produced. Spatial interpolation techniques—such as Ordinary Kriging, Universal Kriging and Cokriging—are discussed as tools for predicting spatial variation in soil health. The limited ability to scale up soil health mapping from point measurements to large agricultural areas is a major gap in soil research and is also discussed in this chapter. In this regard, this chapter is of major importance scientifically speaking, as it offers a methodology for studying the effect of water erosion on remaining soil in a spatially explicit fashion. From an applied standpoint, it provides farmers and professionals with a tool for estimating the state and dynamics of their field.

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Svoray, T. (2022). The Health of the Remaining Soil. In: A Geoinformatics Approach to Water Erosion. Springer, Cham. https://doi.org/10.1007/978-3-030-91536-0_7

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