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Calculating and mapping soil heavy metal levels using CLS methodology (CROSBI ID 530589)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Romić, Marija ; Hengl, Tomislav ; Romić, Davor Calculating and mapping soil heavy metal levels using CLS methodology // Proceedings of the 9th International Conference on the Biogeochemistry of Trace Elements in the Environment / Yongguan Zhu, Nicolas Lepp and Ravi Naidu (ur.). Peking: Tsinghua University Press, 2007. str. 91-92

Podaci o odgovornosti

Romić, Marija ; Hengl, Tomislav ; Romić, Davor

engleski

Calculating and mapping soil heavy metal levels using CLS methodology

In this paper, soil heavy metal levels were calculated and mapped using CLS (Cumulative Limitation Scores) methodology. The procedure is based on interpolation heavy metal concentrations using numerous environmental predictors, followed by representing cumulative soil polution by limitation scores. The method was applied to an area of urban and peri-urban agricultural land with the aim of (i) determine spatial variability and main anthropogenic sources of soil heavy metals, and (ii) identify the areas of special concern by mapping the cumulative soil contamination by heavy metals. The data on topsoil (0-20 cm) Cd, Cr, Cu, Ni, Pb and Zn aqua regia extractable concentrations were used. Statistical and spatial analysis tools were utilised in order to combine the quantitative information obtained from the chemical analysis of the soil samples with the area-specific qualitative information. For spatial interpolation of heavy metals the regression block kriging was applied. Statistical analysis of interpolated maps confirmed that all studied heavy metals were correlated with correlation coefficient (r) ranging from 0.24 to 0.72. This study was shown that in the Zagreb region, 7.2% of the total area is critically polluted by one or more heavy metals. The procedure is suitable in many decision situations, especially for making decisions about soil remediation, health risk assessment or contaminated land management in general.

agricultural land; geostatistics; health risk assessment; regression kriging; spatial variability

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Podaci o prilogu

91-92.

2007.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 9th International Conference on the Biogeochemistry of Trace Elements in the Environment

Yongguan Zhu, Nicolas Lepp and Ravi Naidu

Peking: Tsinghua University Press

978-7-302-15627-7

Podaci o skupu

Biogeochemistry of Trace Elements in the Environment: Environmental Protection, Remediation and Human Health

predavanje

15.07.2007-19.07.2007

Peking, Kina

Povezanost rada

Geologija, Poljoprivreda (agronomija)