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Climate-soil model reveals causes of differences between Marine Isotope Stage 5e and 13 paleosols

Peter Finke UGent, Qiuzhen Yin, Nicholas John Bernardini and Yanyan Yu (2018) GEOLOGY. 46(2). p.99-102
abstract
Over the last decades, numerous studies have used the loess-paleosol sequences in China to reconstruct the East Asian climate and to investigate their linkage with global climate change. The paleosols embedded in the loess developed during warm periods and contain valuable information on climate and vegetation under warm conditions. However, because soil formation is controlled by multiple factors, it is not straightforward to obtain a pure climate signal based on soil property analyses. This leads often to debates and questions. Here, for the first time, we use a soil formation model together with a climate model to identify the main factors that control the paleosol formation. A case study has been performed on paleosols in the Chinese Loess Plateau of the last interglacial (Marine Isotope Stage [MIS] 5e) and the interglacial at ca. 500 kyr B.P. (MIS 13). Our results show that although the peak warmth and peak summer monsoon precipitation are stronger during MIS 5e, the soil formation is stronger during MIS 13, which is supported by field evidence. This is mainly due to larger accumulative precipitation surplus, weaker dust deposition, and longer interglacial duration during MIS 13. Our results provide a new interpretation of the climate signal recorded by the paleosols, and an explanation for the seeming paradox that strongly developed soils formed during relatively weak interglacials. They also highlight the necessity to include proxy modeling in paleoclimate studies.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
modelling, soil, climate, loess
journal title
GEOLOGY
Geology
volume
46
issue
2
pages
99 - 102
ISSN
0091-7613
DOI
10.1130/G39301.1
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8545703
handle
http://hdl.handle.net/1854/LU-8545703
date created
2018-01-22 10:52:41
date last changed
2018-01-26 15:45:19
@article{8545703,
  abstract     = {Over the last decades, numerous studies have used the loess-paleosol sequences in China to reconstruct the East Asian climate and to investigate their linkage with global climate change. The paleosols embedded in the loess developed during warm periods and contain valuable information on climate and vegetation under warm conditions.
However, because soil formation is controlled by multiple factors, it is not straightforward to obtain a pure climate signal based on soil property analyses. This leads often to debates and questions. Here, for the first time, we use a soil formation model together with a climate model to identify the main factors that control the paleosol formation.
A case study has been performed on paleosols in the Chinese Loess Plateau of the last interglacial (Marine Isotope Stage [MIS] 5e) and the interglacial at ca. 500 kyr B.P. (MIS 13). Our results show that although the peak warmth and peak summer monsoon precipitation are stronger during MIS 5e, the soil formation is stronger during MIS 13, which is supported by field evidence. This is mainly due to larger accumulative precipitation surplus, weaker dust deposition,
and longer interglacial duration during MIS 13. Our results provide a new interpretation of the climate signal recorded by the paleosols, and an explanation for the seeming paradox that strongly developed soils formed during relatively weak interglacials. They also highlight the necessity to include proxy modeling in paleoclimate studies.},
  author       = {Finke, Peter and Yin, Qiuzhen and Bernardini, Nicholas John and Yu, Yanyan},
  issn         = {0091-7613},
  journal      = {GEOLOGY},
  keyword      = {modelling,soil,climate,loess},
  language     = {eng},
  number       = {2},
  pages        = {99--102},
  title        = {Climate-soil model reveals causes of differences between Marine Isotope Stage 5e and 13 paleosols},
  url          = {http://dx.doi.org/10.1130/G39301.1},
  volume       = {46},
  year         = {2018},
}

Chicago
Finke, Peter, Qiuzhen Yin, Nicholas John Bernardini, and Yanyan Yu. 2018. “Climate-soil Model Reveals Causes of Differences Between Marine Isotope Stage 5e and 13 Paleosols.” Geology 46 (2): 99–102.
APA
Finke, Peter, Yin, Q., Bernardini, N. J., & Yu, Y. (2018). Climate-soil model reveals causes of differences between Marine Isotope Stage 5e and 13 paleosols. GEOLOGY, 46(2), 99–102.
Vancouver
1.
Finke P, Yin Q, Bernardini NJ, Yu Y. Climate-soil model reveals causes of differences between Marine Isotope Stage 5e and 13 paleosols. GEOLOGY. 2018;46(2):99–102.
MLA
Finke, Peter, Qiuzhen Yin, Nicholas John Bernardini, et al. “Climate-soil Model Reveals Causes of Differences Between Marine Isotope Stage 5e and 13 Paleosols.” GEOLOGY 46.2 (2018): 99–102. Print.