Abstract
Environmental degradation, for example, by wind erosion, is a serious global problem. Despite the enormous research on this topic, complex methods considering all relevant factors remain unpublished. The main intent of our paper is to develop a methodological road map to identify key soil–climatic conditions that make soil vulnerable to wind and demonstrate the road map in a case study using a relevant data source. Potential wind erosion (PWE) results from soil erosivity and climate erosivity. Soil erosivity directly reflects the wind-erodible fraction and indirectly reflects the soil-crust factor, vegetation-cover factor and surface-roughness factor. The climatic erosivity directly reflects the drought in the surface layer, erosive wind occurrence and clay soil-specific winter regime, making these soils vulnerable to wind erosion. The novelty of our method lies in the following: (1) all relevant soil–climatic data of wind erosion are combined; (2) different soil types “sand” and “clay” are evaluated simultaneously with respect to the different mechanisms of wind erosion; and (3) a methodological road map enables its application for various conditions. Based on our method, it is possible to set threshold values that, when exceeded, trigger landscape adjustments, more detailed in situ measurements or indicate the need for specific management.
Highlights
Soil erosion, along with soil compaction, acidification, organic matter decline, soil biodiversity decline, soil pollution and others, is one of the crucial negative externalities of intense agricultural management that reduce both production and ecological soil functions.Mitigation measures to these degradation processes are frequently sought immediately after significant public interest and social demand are raised
The study is focused on Potential wind erosion (PWE), and the methodology is applied and explained in case study of the Republic located in central case study of the Czech Republic located in central Europe
This study contributes to worldwide land anti-degradation efforts and provides new insights into the methodological approach of wind-erosion risk assessment
Summary
Along with soil compaction, acidification, organic matter decline, soil biodiversity decline, soil pollution and others, is one of the crucial negative externalities of intense agricultural management that reduce both production and ecological soil functions. Mitigation measures to these degradation processes are frequently sought immediately after significant public interest and social demand are raised. Dry and bare soil surfaces are highly susceptible to wind erosion, while soil particles driven by wind endanger emerging plants of agricultural crops. In terms of dry and semidry areas, [14] pointed to the important role of vegetation cover in wind erosion reduction
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