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Article: Relationship between magnetic properties and heavy metals of urban soils with different soil types and environmental settings: Implications for magnetic mapping
Title | Relationship between magnetic properties and heavy metals of urban soils with different soil types and environmental settings: Implications for magnetic mapping | ||||
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Authors | |||||
Keywords | Heavy Metal Pollution Magnetic Susceptibility Urban Soil | ||||
Issue Date | 2012 | ||||
Publisher | Springer. The Journal's web site is located at http://www.springer.com/earth+sciences/geology/journal/12665 | ||||
Citation | Environmental Earth Sciences, 2012, v. 66 n. 2, p. 409-420 How to Cite? | ||||
Abstract | Two types of soil (fluvisols and anthrosols) were collected from different environmental settings (suburb and industrial area) in Wuhan, central China, aiming to examine the applicability of magnetic mapping for heavy metal pollution of urban soil in a large region. Magnetic measurements and chemical analysis indicated elevated magnetization and heavy metal concentrations of topsoils in the industrial area. Magnetic susceptibility (χ), anhysteretic remanent magnetization (ARM) and saturation isothermal remanent magnetization (SIRM) of fluvisols are much higher than those of anthrosols, but contrary for frequency-dependent susceptibility, indicating that soil magnetism strongly depends on the soil type/condition. Predominant magnetic carrier in topsoils in industrial area is pseudo-single-domain/multi-domain magnetite. Environmental scanning electron microscope/energy dispersive X-ray examination of the magnetic extracts from these topsoils revealed abundant spherical particles with diameters of 10-50 μm that are rich in iron-oxides, and could be attributed to the nearby industrial activities (e. g., steel work and power generation). Significant correlations were observed between magnetic concentration-related parameters (e. g., χ, ARM and SIRM) and concentrations of Cu, Pb, Zn, Hg and Tomlinson pollution load index. These results proposed that magnetic proxy mapping of soil pollution is an effective, fast and inexpensive tool for delineation of heavy metal pollution. However, interpretation of magnetic properties for such a purpose must be done on a site-specific basis, taking into account the possibilities of pedogenic enhancement/depletion under the specific soil conditions. © 2011 Springer-Verlag. | ||||
Persistent Identifier | http://hdl.handle.net/10722/151372 | ||||
ISSN | 2021 Impact Factor: 3.119 2020 SCImago Journal Rankings: 0.641 | ||||
ISI Accession Number ID |
Funding Information: We would like to thank the two anonymous reviewers and Dr. Chaparro for their thorough reviews and helpful suggestions that greatly improved the paper. This study was supported by the National Natural Science Foundation of China (No. 40474025). | ||||
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yang, T | en_US |
dc.contributor.author | Liu, Q | en_US |
dc.contributor.author | Zeng, Q | en_US |
dc.contributor.author | Chan, L | en_US |
dc.date.accessioned | 2012-06-26T06:21:17Z | - |
dc.date.available | 2012-06-26T06:21:17Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.citation | Environmental Earth Sciences, 2012, v. 66 n. 2, p. 409-420 | en_US |
dc.identifier.issn | 1866-6280 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/151372 | - |
dc.description.abstract | Two types of soil (fluvisols and anthrosols) were collected from different environmental settings (suburb and industrial area) in Wuhan, central China, aiming to examine the applicability of magnetic mapping for heavy metal pollution of urban soil in a large region. Magnetic measurements and chemical analysis indicated elevated magnetization and heavy metal concentrations of topsoils in the industrial area. Magnetic susceptibility (χ), anhysteretic remanent magnetization (ARM) and saturation isothermal remanent magnetization (SIRM) of fluvisols are much higher than those of anthrosols, but contrary for frequency-dependent susceptibility, indicating that soil magnetism strongly depends on the soil type/condition. Predominant magnetic carrier in topsoils in industrial area is pseudo-single-domain/multi-domain magnetite. Environmental scanning electron microscope/energy dispersive X-ray examination of the magnetic extracts from these topsoils revealed abundant spherical particles with diameters of 10-50 μm that are rich in iron-oxides, and could be attributed to the nearby industrial activities (e. g., steel work and power generation). Significant correlations were observed between magnetic concentration-related parameters (e. g., χ, ARM and SIRM) and concentrations of Cu, Pb, Zn, Hg and Tomlinson pollution load index. These results proposed that magnetic proxy mapping of soil pollution is an effective, fast and inexpensive tool for delineation of heavy metal pollution. However, interpretation of magnetic properties for such a purpose must be done on a site-specific basis, taking into account the possibilities of pedogenic enhancement/depletion under the specific soil conditions. © 2011 Springer-Verlag. | en_US |
dc.language | eng | en_US |
dc.publisher | Springer. The Journal's web site is located at http://www.springer.com/earth+sciences/geology/journal/12665 | en_US |
dc.relation.ispartof | Environmental Earth Sciences | en_US |
dc.subject | Heavy Metal Pollution | en_US |
dc.subject | Magnetic Susceptibility | en_US |
dc.subject | Urban Soil | en_US |
dc.title | Relationship between magnetic properties and heavy metals of urban soils with different soil types and environmental settings: Implications for magnetic mapping | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chan, L:chanls@hku.hk | en_US |
dc.identifier.authority | Chan, L=rp00665 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1007/s12665-011-1248-9 | en_US |
dc.identifier.scopus | eid_2-s2.0-84860354687 | en_US |
dc.identifier.hkuros | 214222 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-84860354687&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 66 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 409 | en_US |
dc.identifier.epage | 420 | en_US |
dc.identifier.isi | WOS:000303413100002 | - |
dc.publisher.place | Germany | en_US |
dc.identifier.scopusauthorid | Yang, T=41862769700 | en_US |
dc.identifier.scopusauthorid | Liu, Q=35233767800 | en_US |
dc.identifier.scopusauthorid | Zeng, Q=35172377600 | en_US |
dc.identifier.scopusauthorid | Chan, L=7403540528 | en_US |
dc.identifier.issnl | 1866-6280 | - |