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Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging. / Fu, Roger R.; Maher, Barbara A.; Nie, Junsheng et al.
In: Geochemistry, Geophysics, Geosystems, Vol. 24, No. 3, e2022GC010812, 31.03.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Fu, RR, Maher, BA, Nie, J, Gao, P, Berndt, T, Folsom, E & Cavanaugh, T 2023, 'Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging', Geochemistry, Geophysics, Geosystems, vol. 24, no. 3, e2022GC010812. https://doi.org/10.1029/2022gc010812

APA

Fu, R. R., Maher, B. A., Nie, J., Gao, P., Berndt, T., Folsom, E., & Cavanaugh, T. (2023). Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging. Geochemistry, Geophysics, Geosystems, 24(3), Article e2022GC010812. https://doi.org/10.1029/2022gc010812

Vancouver

Fu RR, Maher BA, Nie J, Gao P, Berndt T, Folsom E et al. Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging. Geochemistry, Geophysics, Geosystems. 2023 Mar 31;24(3):e2022GC010812. Epub 2023 Mar 1. doi: 10.1029/2022gc010812

Author

Fu, Roger R. ; Maher, Barbara A. ; Nie, Junsheng et al. / Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging. In: Geochemistry, Geophysics, Geosystems. 2023 ; Vol. 24, No. 3.

Bibtex

@article{386d92a5ecf540bfaaa04c48ba48eb74,
title = "Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging",
abstract = "In well‐buffered modern soils, higher annual rainfall is associated with enhanced soil ferrimagnetic mineral content, especially of ultrafine particles that result in distinctive rock magnetic properties. Hence, paleosol magnetism has been widely used as a paleoprecipitation proxy. Identifying the dominant mechanism(s) of magnetic enhancement in a given sample is critical for reliable inference of paleoprecipitation. Here, we use high‐resolution magnetic field and electron microscopy to identify the grain‐scale setting and formation pathway of magnetic enhancement in two modern soils developed in higher (∼580 mm/y) and lower (∼190 mm/y) precipitation settings from the Qilianshan Range, China. We found that both soils contain 1–30 μm aeolian Fe‐oxide grains with indistinguishable rock magnetic properties, while the higher‐precipitation soil contains an additional population of ultrafine (",
keywords = "BIOGEOSCIENCES, Paleoclimatology and paleoceanography, GEOMAGNETISM AND PALEOMAGNETISM, Environmental magnetism, Rock and mineral magnetism, Instruments and techniques, HYDROLOGY, Precipitation, ATMOSPHERIC PROCESSES, Paleoclimatology, PALEOCEANOGRAPHY, Research Article, paleoclimate, environmental magnetism, instrumentation, precipitation, soils, microscopy",
author = "Fu, {Roger R.} and Maher, {Barbara A.} and Junsheng Nie and Peng Gao and Thomas Berndt and Elizabeth Folsom and Timothy Cavanaugh",
year = "2023",
month = mar,
day = "31",
doi = "10.1029/2022gc010812",
language = "English",
volume = "24",
journal = "Geochemistry, Geophysics, Geosystems",
issn = "1525-2027",
publisher = "John Wiley & Sons, Ltd",
number = "3",

}

RIS

TY - JOUR

T1 - Pinpointing the Mechanism of Magnetic Enhancement in Modern Soils Using High‐Resolution Magnetic Field Imaging

AU - Fu, Roger R.

AU - Maher, Barbara A.

AU - Nie, Junsheng

AU - Gao, Peng

AU - Berndt, Thomas

AU - Folsom, Elizabeth

AU - Cavanaugh, Timothy

PY - 2023/3/31

Y1 - 2023/3/31

N2 - In well‐buffered modern soils, higher annual rainfall is associated with enhanced soil ferrimagnetic mineral content, especially of ultrafine particles that result in distinctive rock magnetic properties. Hence, paleosol magnetism has been widely used as a paleoprecipitation proxy. Identifying the dominant mechanism(s) of magnetic enhancement in a given sample is critical for reliable inference of paleoprecipitation. Here, we use high‐resolution magnetic field and electron microscopy to identify the grain‐scale setting and formation pathway of magnetic enhancement in two modern soils developed in higher (∼580 mm/y) and lower (∼190 mm/y) precipitation settings from the Qilianshan Range, China. We found that both soils contain 1–30 μm aeolian Fe‐oxide grains with indistinguishable rock magnetic properties, while the higher‐precipitation soil contains an additional population of ultrafine (

AB - In well‐buffered modern soils, higher annual rainfall is associated with enhanced soil ferrimagnetic mineral content, especially of ultrafine particles that result in distinctive rock magnetic properties. Hence, paleosol magnetism has been widely used as a paleoprecipitation proxy. Identifying the dominant mechanism(s) of magnetic enhancement in a given sample is critical for reliable inference of paleoprecipitation. Here, we use high‐resolution magnetic field and electron microscopy to identify the grain‐scale setting and formation pathway of magnetic enhancement in two modern soils developed in higher (∼580 mm/y) and lower (∼190 mm/y) precipitation settings from the Qilianshan Range, China. We found that both soils contain 1–30 μm aeolian Fe‐oxide grains with indistinguishable rock magnetic properties, while the higher‐precipitation soil contains an additional population of ultrafine (

KW - BIOGEOSCIENCES

KW - Paleoclimatology and paleoceanography

KW - GEOMAGNETISM AND PALEOMAGNETISM

KW - Environmental magnetism

KW - Rock and mineral magnetism

KW - Instruments and techniques

KW - HYDROLOGY

KW - Precipitation

KW - ATMOSPHERIC PROCESSES

KW - Paleoclimatology

KW - PALEOCEANOGRAPHY

KW - Research Article

KW - paleoclimate

KW - environmental magnetism

KW - instrumentation

KW - precipitation

KW - soils

KW - microscopy

U2 - 10.1029/2022gc010812

DO - 10.1029/2022gc010812

M3 - Journal article

VL - 24

JO - Geochemistry, Geophysics, Geosystems

JF - Geochemistry, Geophysics, Geosystems

SN - 1525-2027

IS - 3

M1 - e2022GC010812

ER -