1887

Abstract

Heavy metals are important in several ways: many are used industrially in technologically advanced countries, some are physiologically essential for plants and animals - and thus have a direct bearing on human health and agricultural productivity - and many are significant as pollutants of ecosystem throughout the world. Heavy metals in soils have received increasig attention in recent years. Metals, which accumulate in the human body, such as Cd, Hg and Pb, are particular cause for concern. There have been reports of deaths and illness related to environmental Cd and Hg poisoning, and elevated levels of Pb in the blood of infants are becoming more common. These findings have provided a stimulus for more comprehensive studies of known or suspected areas of pollution and for complementary investigations of the chemical behavior of heavy metals in soils. A current method of a lithogeochemical mapping has supposed sampling of a definite soil horizon and following chemical analysis of the elements. Recent studies have shown that under certain conditions magnetic susceptibility can be used as a proxy parameter for the detection of higher heavy metals contents in soils. There were verified in many papers ( Durza et al 1993, 1996; Strzyszcz, Magiera 1996, Versteeg 1996; Kapièka 1997; Hoffman 1997; ...) that detected higher values of magnetic susceptibility of soils' samples above background indicate higher concentration of heavy metals in soil. There were recommended by Mikajev and Zogolev (1990) to use soil kappa-metry like a preliminary method that enable to border zones .Increased geochemical activity", to bring down a bulk of works and to change flexibly the method of mapping.

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/content/papers/10.3997/2214-4609.201407030
1998-09-14
2020-09-25
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