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Elements; August 2009; v. 5; no. 4; p. 229-234; DOI: 10.2113/gselements.5.4.229
© 2009 Mineralogical Society of America
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Rain and Dust: Magnetic Records of Climate and Pollution

Barbara A. Maher*

* Centre for Environmental Magnetism and Palaeomagnetism
Lancaster Environment Centre, University of Lancaster
Lancaster, LA1 4YQ, UK
E-mail: b.maher{at}lancaster.ac.uk

Two contrasting examples of the application of mineral magnetism to environmental problems are discussed. Magnetic susceptibility measurements of sediments from the Chinese loess Plateau - the biggest accumulation of windblown sediments on earth - reveal one of the best records of continental climate change available. these records provide a detailed picture of glacial and interglacial cycles and variations in the east asian summer monsoon stretching back more than 2 million years. in the case of anthropogenic airborne particles, the spread of particulate pollutants can be robustly traced throughout a city environment by measuring the magnetic properties of leaves, which trap magnetic particles released from vehicle exhausts and/or industry emissions.

KEYWORDS: magnetic susceptibility, climate change, summer monsoon, particulate pollution, health impacts


Related articles in Elements:

Mineral Magnetism: Providing New Insights into Geoscience Processes
Richard J. Harrison and Joshua M. Feinberg
Elements 2009 5: 209-215. [Abstract] [Full Text]  



This article has been cited by other articles:


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R. J. Harrison and J. M. Feinberg
Mineral Magnetism: Providing New Insights into Geoscience Processes
Elements, August 1, 2009; 5(4): 209 - 215.
[Abstract] [Full Text] [PDF]


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