Bernd Steinweg
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Papers by Bernd Steinweg
Bodenschutzgesetz verankert ist.
Summary By the 1 st World War at the latest the age of "technical war-fare" commences, which lead to severe impact on landscape and therefore on the soils. In the front areas and battlefields soil horizons are destroyed to a depth of at least some meters due to the construction of trenches and bunkers and the cratering by grenades and bombs. The same is true for bombed areas. War-influenced soils are characterized by new soil formation on disturbed substrate, formation of colluviums, compaction, loosening and fossilification due to soil coverage. Connected with combat operations is an input of alloch-tonous materials into the soil, especially of (heavy) metals. Additionally, warfare leads to destruction of the vegetative cover, to fires and to "artificial" flooding, which also has an influence on soils. In the hinterland, soil use changes in times of warfare (e. g. construction of military infrastructure, in-tensification of horticulture for self-supply). Especially the destruction of soil horizons is a non-reversible change of soils. Such war-influenced soils can therefore be classified as archive soils, which can be used to illustrate the catastrophic impact of mankind on soils. Since 2014 is the 100 th anniversary of the beginning of the 1 st and the 75 th anniversary of the 2 nd World War, the years to come offer the possibility to use the topic of war influenced soils for an increase of soil awareness.
dass bei Technogenen Substrate von höheren Resorptionsverfügbarkeitsanteilen der enthaltenen Gesamtschadstoffgehalte auszugehen ist als bei natürlichen
Substraten. Zum Anderen lassen sich innerhalb der TS substrat- und schadstoffspezifische Gesamt und RV-Gehaltsspannen angeben.
Summary Background concentrations of contaminants in soils in the districts of Lippe and Höxter, which are situated far away from large-scale emission sources, are low. Nevertheless, an initial analysis of existing data made it clear that local accumulations of contaminants do exist. In order to identify these accumulations an open space analysis was carried out using information from literature on local geology, geography and (mining) history. This analysis allowed contamination hypotheses to be derived. These hypotheses were taken into account in planning and carrying out the field sampling and the final data analysis. Through this procedure areas with local accumulations of soil contaminants were delimited. The digital soil contamination maps produced by this method provide a basis for future application of the German soil law. However, with respect to contamination levels in the areas with contaminant accumulations, no need for urgent action arises, although transference of soil from these areas has to be looked at with special attention.
Bodenschutzgesetz verankert ist.
Summary By the 1 st World War at the latest the age of "technical war-fare" commences, which lead to severe impact on landscape and therefore on the soils. In the front areas and battlefields soil horizons are destroyed to a depth of at least some meters due to the construction of trenches and bunkers and the cratering by grenades and bombs. The same is true for bombed areas. War-influenced soils are characterized by new soil formation on disturbed substrate, formation of colluviums, compaction, loosening and fossilification due to soil coverage. Connected with combat operations is an input of alloch-tonous materials into the soil, especially of (heavy) metals. Additionally, warfare leads to destruction of the vegetative cover, to fires and to "artificial" flooding, which also has an influence on soils. In the hinterland, soil use changes in times of warfare (e. g. construction of military infrastructure, in-tensification of horticulture for self-supply). Especially the destruction of soil horizons is a non-reversible change of soils. Such war-influenced soils can therefore be classified as archive soils, which can be used to illustrate the catastrophic impact of mankind on soils. Since 2014 is the 100 th anniversary of the beginning of the 1 st and the 75 th anniversary of the 2 nd World War, the years to come offer the possibility to use the topic of war influenced soils for an increase of soil awareness.
dass bei Technogenen Substrate von höheren Resorptionsverfügbarkeitsanteilen der enthaltenen Gesamtschadstoffgehalte auszugehen ist als bei natürlichen
Substraten. Zum Anderen lassen sich innerhalb der TS substrat- und schadstoffspezifische Gesamt und RV-Gehaltsspannen angeben.
Summary Background concentrations of contaminants in soils in the districts of Lippe and Höxter, which are situated far away from large-scale emission sources, are low. Nevertheless, an initial analysis of existing data made it clear that local accumulations of contaminants do exist. In order to identify these accumulations an open space analysis was carried out using information from literature on local geology, geography and (mining) history. This analysis allowed contamination hypotheses to be derived. These hypotheses were taken into account in planning and carrying out the field sampling and the final data analysis. Through this procedure areas with local accumulations of soil contaminants were delimited. The digital soil contamination maps produced by this method provide a basis for future application of the German soil law. However, with respect to contamination levels in the areas with contaminant accumulations, no need for urgent action arises, although transference of soil from these areas has to be looked at with special attention.