DOI: 10.1126/science.199.4329.679. Changing Atmospheric Fallout of Magnetic Particles Recorded in Recent Ombrotrophic Peat Sections

Changing Atmospheric Fallout of Magnetic Particles Recorded in Recent Ombrotrophic Peat Sections

10.1126/science.199.4329.679

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Magnetic measurements of ombrotrophic peat allow a reconstruction of changes in the past fallout of magnetic particles through the atmosphere. In recent peat profiles from three sites in Britain and Northern Ireland, a marked increase in saturated isothermal remanent magnetization of the peat is recorded in levels which can be shown to postdate the onset of the Industrial Revolution. Furthermore the spatial variation in contemporary isothermal remanent magnetization values is consistent with a recent industrial and urban origin for the bulk of the magnetic minerals present. Pre-Industrial Revolution values are between two and three orders of magnitude lower, suggesting that the natural cosmic and terrestrial sources previously cited for such material have been dominated in recent times by the products of human activity. Magnetic measurements provide a simple, rapid, and nondestructive method of monitoring and differentiating various types of particulate atmospheric fallout for both recent and preindustrial times.

Bibliography

Oldfield, F., Thompson, R., & Barber, K. E. (1978). Changing Atmospheric Fallout of Magnetic Particles Recorded in Recent Ombrotrophic Peat Sections. Science, 199(4329), 679â680.

Authors 3

F. Oldfield (first)
R. Thompson (additional)
K. E. Barber (additional)

References 6 Referenced 14

BARBER K.E. THESIS U SOUTHAMPTON (1978).
DOYLE, L.J., BLACK MAGNETIC SPHERULE FALLOUT IN EASTERN GULF OF MEXICO, SCIENCE 194: 1157 (1976). (10.1126/science.194.4270.1157) / SCIENCE (1976)
OLDFIELD, F, NEW PHYTOL 62: 53 (1963). (10.1111/j.1469-8137.1963.tb06312.x) / NEW PHYTOL (1963)
Oldfield, F, Pol. Arch. Hydrobiol. 25: 321 (1978). / Pol. Arch. Hydrobiol. (1978)
PARKIN, D. W., JOURNAL OF GEOPHYSICAL RESEARCH 75: 1782 (1970). (10.1029/JC075i009p01782) / JOURNAL OF GEOPHYSICAL RESEARCH (1970)
THOMPSON, R, MAGNETIC-SUSCEPTIBILITY OF LAKE SEDIMENTS, LIMNOLOGY AND OCEANOGRAPHY 20: 687 (1975). (10.4319/lo.1975.20.5.0687) / LIMNOLOGY AND OCEANOGRAPHY (1975)

Dates

Type	When
Created	18 years, 10 months ago (Oct. 5, 2006, 12:35 p.m.)
Deposited	1 year, 7 months ago (Jan. 11, 2024, 11:09 p.m.)
Indexed	3 months ago (June 4, 2025, 4:45 p.m.)
Issued	47 years, 6 months ago (Feb. 10, 1978)
Published	47 years, 6 months ago (Feb. 10, 1978)
Published Print	47 years, 6 months ago (Feb. 10, 1978)

Funders 0

None

BibTeX

@article{Oldfield_1978, title={Changing Atmospheric Fallout of Magnetic Particles Recorded in Recent Ombrotrophic Peat Sections}, volume={199}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.199.4329.679}, DOI={10.1126/science.199.4329.679}, number={4329}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Oldfield, F. and Thompson, R. and Barber, K. E.}, year={1978}, month=feb, pages={679–680} }

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