noaa-loess-9703
Chaona, Chinese Loess Plateau Late Neogene Magnetic Susceptibility Data
Song, Y.G.; Fang, X.M.; Torii, M.; Ishikawa, N.; Li, J.J.
Chaona, Chinese Loess Plateau Late Neogene Magnetic Susceptibility Data
2010-10-27
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/9703
Investigator
Y.G.
Song
Investigator
X.M.
Fang
Investigator
M.
Torii
Investigator
N.
Ishikawa
Investigator
J.J.
Li
earth science
paleoclimate
loess
depth,null,null,meter,null,loess,null,null,N,null
earth science
paleoclimate
loess
age,null,null,calendar kiloyear before present,null,loess,null,null,N,null
earth science
paleoclimate
loess
mass magnetic susceptibility,loess,null,cubic meter per kilogram,null,loess,null,null,N,units are 10E-8m3kg-1
earth science
paleoclimate
loess
geoscientificInformation
Monsoon
millennial resolution
8100000 cal yr BP
0 cal yr BP
Complete
35.1
35.1
107.2
107.2
1452
1452
Continent
Asia
Eastern Asia
China
Chaona section>LATITUDE 35.1>LONGITUDE 107.2
None
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English
DOC/NOAA/NESDIS/NCEI
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
https://www.ncdc.noaa.gov/data-access/paleoclimatology-data
DATA Center Contact
Bruce
Bauer
bruce.a.bauer@noaa.gov
paleo@noaa.gov
303-497-6280
303-497-6513
325 Broadway, E/NE31
Boulder
CO
80305-3328
USA
online
ASCII
Song, Y.G., X.M. Fang, M. Torii, N. Ishikawa, J.J. Li, and Z.S. An. 2007.
Late Neogene rock magnetic record of climatic variation from
Chinese eolian sediments related to uplift of the Tibetan Plateau.
Journal of Asian Earth Sciences, Vol. 30, Issue 2, pp. 324-332,
20 April 2007. doi:10.1016/j.jseaes.2006.10.004
The Late Cenozoic red clay-loess sequence in the Chinese Loess Plateau
provides a high-resolution record of paleoclimatic and tectonic changes
related to the phased uplift of the Tibetan Plateau. Detailed
magnetostratigraphy of a recently recovered 125-m-thick sediment
sequence from the central Chinese Loess Plateau shows that the red
clay began to accumulate at ca. 8.1 Ma, implying a marked drying in
the interior of Asian as well as the initial establishment of the
East Asian paleomonsoon regime. Prior to 3.8 Ma, the ferromagnetic
mineral concentrations, as revealed by both magnetic susceptibility
and S-ratios, exhibit a cyclic pattern superimposed upon a linear trend.
This pattern collapsed immediately after 3.8 Ma, suggesting a change
in source area. This in turn may have resulted from the reorganization
of atmospheric circulation and the onset of the modern Asian monsoon,
probably associated with the accelerated uplift of the Tibetan Plateau
to a certain threshold elevation.
STUDY NOTES: The eolian loess-red clay section is situated at Chaona town
in Lingtai County, Central Chinese Loess Plateau. The entire
Late Cenozoic sediment sequence is about 300m thick, consisting
of a 175-m-thick Quaternary loess-paleosol sequence and 125-m-thick
Tertiary red clay. The bottom paleomagnetism age is about 8.1 Ma.
Age is from linear interpolation of paleomagnetic polarity boundary.
Magnetic susceptibility data are average of low-frequency and high
frequency mass-specific magnetic susceptibility.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/loess/china/song2007clp.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/loess/china/song2007clp.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11