Issue 3, 2014

Mineral magnetic measurements as a particle size proxy for urban roadside soil pollution (part 1)

Abstract

The use of mineral magnetic concentration parameters (χLF, χARM and SIRM) as a potential particle size proxy for soil samples collected from Wolverhampton (UK) is explored as an alternative means of normalizing particle size effects. Comparison of soil-related analytical data by correlation analyses between each magnetic parameter and individual particle size classes (i.e. sand, silt and clay), more discrete intervals within classes (e.g. fine sand or medium silt) and cumulative size fractions (e.g. clay + fine silt) are reported. χLF, χARM and SIRM parameters reveal significant (p < 0.05; p < 0.001 n = 60), moderate negative (rs = −0.3 to −0.557) associations with clay, silt and sand content. Contrary to earlier research findings which found positive relationships, this indicates that magnetic measurements cannot always provide a predictable particle size proxy and it is only certain environments and/or specific settings that are appropriate for granulometric normalization by this technique. However, if future researchers working in other soil settings can identify a formal predictable relationship, the technique is known to offer a simple, reliable, rapid, sensitive, inexpensive and non-destructive approach that could be a valuable proxy for normalizing particle size effects in soil contamination studies.

Graphical abstract: Mineral magnetic measurements as a particle size proxy for urban roadside soil pollution (part 1)

Article information

Article type
Paper
Submitted
01 Jul 2013
Accepted
16 Dec 2013
First published
17 Dec 2013

Environ. Sci.: Processes Impacts, 2014,16, 542-547

Mineral magnetic measurements as a particle size proxy for urban roadside soil pollution (part 1)

C. J. Crosby, C. A. Booth and M. A. Fullen, Environ. Sci.: Processes Impacts, 2014, 16, 542 DOI: 10.1039/C3EM00344B

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