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Rain and dust : magnetic records of climate, and pollution.

Research output: Contribution to journalJournal article

Published

Journal publication date08/2009
JournalElements
Journal number4
Volume5
Number of pages6
Pages229-234
Original languageEnglish

Abstract

Magnetic susceptibility measurements of sediments from the Chinese Loess Plateau – the biggest accumulation of windblown sediments on Earth – contain one of the best records of continental climate change available, providing a detailed picture of glacial and interglacial cycles and variations in the East Asian summer monsoon stretching back over 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.