Pollution indices as comprehensive tools for evaluation of the accumulation and provenance of potentially toxic elements in soils in Ojców National Park

Ryszard Mazurek , Joanna Kowalska , Michał Gąsiorek , Paweł Zadrożny , Jerzy Wieczorek

Abstract

The Ojców National Park (ONP) is located nearby several currently operating, large industrial centres, which can be sources of potentially toxic elements (PTE). Over the last two decades, the ONP has been the subject of several studies. However, there have not been any comprehensive studies concerning the assessment of PTE-rich pollution within the soils of ONP; namely, what constitutes the basis for: i) determining the content, abundance, and distribution of PTE in soils within the park; ii) quantitatively estimating the degree of pollution of these soils using different indices; and iii) assessing the impact of the geochemical background as applied in indices of pollution. The PTE content of the soil samples analysed in this study showed that the ONP's surface A horizons were characterized by PTE values ranging from two to ten times higher than the measured levels in the C horizon. In order to comprehensively assess the degree of pollution, a wide range of pollution indices – Geoaccumulation Index (Igeo); Single Pollution Index (PI); Contamination Factor (Cf); Degree of Contamination (Cdeg); Potential Ecological Risk (RI); The Probability of Toxicity (MERMQ) and ‘Improved’ Nemerow Index (INI) were calculated using various types of geochemical backgrounds. High levels of PTE in soil were caused mostly by the influence of anthropogenic inputs from neighbouring (Kraków) and distant industrial centres (Olkusz-Jaworzno, Bukowno and Upper Silesia Industrial Region). Deposition of PTE-rich pollutants from local emitters is also determined to a large extent by the prevailing transboundary SW winds. The different distribution of PTE within the profile was dependent on the type of soil and its properties (texture, content of total organic carbon), as well as perhaps a reflection of a geochemical-anthropogenic anomaly occurring in the ONP region. Based on RI and MERMQ values, the area of the ONP should be subject to evaluation and further assessment of PTE pollution levels in order to minimize further exposure and contamination of the ONP. Furthermore, choice of the proper geochemical background plays an important role in the soil contamination assessment. Authors suggest applying of both the local and reference geochemical background in order to comprehensively assess the degree of soil contamination.
Author Ryszard Mazurek (FoAaE / IoSSaA)
Ryszard Mazurek,,
- Institute of Soil Science and Agrophysics
, Joanna Kowalska (FoAaE / IoSSaA)
Joanna Kowalska,,
- Institute of Soil Science and Agrophysics
, Michał Gąsiorek (FoAaE / IoSSaA)
Michał Gąsiorek,,
- Institute of Soil Science and Agrophysics
, Paweł Zadrożny (FoAaE / IoSSaA)
Paweł Zadrożny,,
- Institute of Soil Science and Agrophysics
, Jerzy Wieczorek (FoAaE / DoAaECh)
Jerzy Wieczorek,,
- Department of Agricultural and Environmental Chemistry
Journal seriesJournal of Geochemical Exploration, ISSN 0375-6742, e-ISSN 1879-1689, (N/A 100 pkt)
Issue year2019
Vol201
Pages13-30
Publication size in sheets0.85
Keywords in EnglishSoil contamination, Pollution indices, Industrial pollutions, Geochemical background
ASJC Classification1905 Economic Geology; 1906 Geochemistry and Petrology
DOIDOI:10.1016/j.gexplo.2019.03.001
URL https://www.sciencedirect.com/science/article/pii/S0375674217307021/pdfft?md5=fafc58ba6aff4fc92bcd3eb30fad11df&pid=1-s2.0-S0375674217307021-main.pdf
Internal identifierWRE/2019/19
Languageen angielski
Score (nominal)100
Score sourcejournalList
Publication indicators WoS Citations = 2; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.496; WoS Impact Factor: 2018 = 3.472 (2) - 2018=3.59 (5)
Citation count*
Additional fields
FinansowanieThis Research was financed by the Ministry of Science and Higher Education, Republic of Poland.
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