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Initial stages of soil development are characterized by structural changes of mineral surfaces over time. The specific surface area (SSA) is closely related to pedogenic properties and soil organic matter (SOM). Interactions between SOM and mineral surfaces induce quantitative and qualitative changes in SSA and corresponding soil properties. However, the knowledge about ranges, effects and mechanisms...
A dye tracer visualization experiment was carried out in order to study the importance of preferential flow at forest-reclaimed mine soils. The objective was to evaluate iodine-starch staining for the identification of flow paths in such soils, for the commonly used dye tracer Brilliant Blue showed a poor contrast to the relatively dark lignitic mine soil. The experimental site was located in the...
Reclaimed mine soils in Lusatia/Germany are heterogeneous sandy sediment mixtures, which often contain significant portions of lignite (brown coal). Water-repellent aliphatic organic compounds may cause preferential finger-type flow in mine soils. The objective of this study was to analyse the significance, spatial scales, and spatial variability of potential water repellency in a lignitic mine soil...
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