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METHOD FOR THE ESTIMATION OF SOIL VULNERABILITY AT THE CHEMICAL AGENTS IMPACT

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Author(s): Radu Lacatusu

Journal: Soil Forming Factors and Processes from the Temperate Zone
ISSN 1582-4616

Volume: 5;
Issue: 1;
Start page: 23;
Date: 2006;
Original page

Keywords: soil vulnerability | chemical agents | impact

ABSTRACT
The negative effect induced to the soil by any impact, commonly chemical impact, defining the soil vulnerability to this impulse. To put in equation this soil characteristic, were chosen these physical and chemical indicators which determining the phenomenon intensity and its evolution direction, as: texture, pH (soil reaction), organic matter content, carbonates content and ion exchange capacity. Each of these indicators was divided into five classes, depending on the content in elements and/or chemical substances that defining any indicator, the specific indicator size, and on the direction and intensity of process generated by impact. Every of these five classes have been got marks from one to five according to soil capacity to putting up resistance to modification induced by impact. One mark reflecting the lowest impact resistance and five mark the highest ones. By summing of characteristic marks for each class resulted a scale from 5 to 25. According to this scale we could have very high soil vulnerability with only 5 points, and an invulnerable soil with 25 points. Analytical data of all these five physics and chemical indicators, determined for a specific territory, could be framing in vulnerability scale according to the presented methodology. This methodology permit to realize maps of the specific territories for soils vulnerability to impact of any nature chemical agents.
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