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Journal Title
Title of Journal: Water Air Soil Pollut
Abbravation: Water, Air, & Soil Pollution
Publisher
Springer International Publishing
DOI
10.1002/nadc.19680161513
ISSN
1573-2932
The aim of this study was to compare the pollution levels of risk elements in flooded and nonflooded alluvial soils as a function of inundation frequency and river distance depth of soil horizon and pollution origin Totally 43 soil profiles of flooded and nonflooded soils were sampled in two layers topsoil and subsoil The total contents of As Cd Co Cr Cu Mo Ni Pb V and Zn were measured and grouped according to the assumed geogenic or anthropogenic origin Flooded soils were classified according to inundation stage/river distance Concerning the depth gradient it can be concluded that the content of anthropogenic risk elements decreased with the depth while geogenic risk elements revealed no trend The distance from the river had no influence on the distribution of anthropogenic risk elements in soil On the contrary geogenic risk elements showed increasing concentrations with increasing distance These results indicate that frequency of floods has no influence on the risk elements distribution in soil The process of sedimentation seems to be the main factor influencing the level of pollution it differs between groups of anthropogenic and geogenic risk elements The result of this countrywide study shows higher levels of soil contamination in flooded areas even without significant point sources of pollution than in nonflooded areas in standard agricultural conditions