Field sampling of soil pore water to evaluate the mobile fraction of trace elements in the Iglesiente area (SW Sardinia, Italy)

Concas, S, Ardau, C, Di Bonito, M ORCID: https://orcid.org/0000-0001-8590-0267, Lattanzi, P and Vacca, A, 2015. Field sampling of soil pore water to evaluate the mobile fraction of trace elements in the Iglesiente area (SW Sardinia, Italy). Journal of Geochemical Exploration, 158, pp. 82-94. ISSN 0375-6742

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Abstract

Field soil pore water monitoring was applied in a highly heavy-metal contaminated area in SW Sardinia, Italy, as a direct, realistic measure of heavy metal mobility. The main chemistry of pore waters well reflects the local characteristics of soils, ranging from Ca-SO4 to (Ca)Mg-HCO3 to Ca(Na)-SO4(Cl), with a wide range of conductivity. The mobility of Zn and Pb is apparently controlled by equilibrium with minerals such as hydrozincite or smithsonite, and cerussite, respectively. These results allow a correct estimate of the actual environmental risk associated with the presence of heavy metals in soils, and may serve as a supporting tool for phytoremediation planning.

Item Type:	Journal article
Publication Title:	Journal of Geochemical Exploration
Creators:	Concas, S., Ardau, C., Di Bonito, M., Lattanzi, P. and Vacca, A.
Publisher:	Elsevier
Date:	November 2015
Volume:	158
ISSN:	0375-6742
Identifiers:	Number Type 10.1016/j.gexplo.2015.07.006 DOI
Divisions:	Schools > School of Animal, Rural and Environmental Sciences
Record created by:	Jonathan Gallacher
Date Added:	12 Feb 2016 11:57
Last Modified:	09 Jun 2017 13:59
URI:	https://irep.ntu.ac.uk/id/eprint/26949

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