noaa-cave-10443
Yamen Cave, China Deglacial Speleothem Oxygen Isotope Data
Yang, Y.; Yuan, D.X.; Cheng, H.; Zhang, M.L.; Qin, J.M.; Lin, Y.S.; Zhu, X.Y.; Edwards, R.L.
Yamen Cave, China Deglacial Speleothem Oxygen Isotope Data
2010-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/10443
Investigator
Y.
Yang
Investigator
D.X.
Yuan
Investigator
H.
Cheng
Investigator
M.L.
Zhang
Investigator
J.M.
Qin
Investigator
Y.S.
Lin
Investigator
X.Y.
Zhu
Investigator
R.L.
Edwards
earth science
paleoclimate
speleothems
depth,null,null,millimeter,null,speleothems,null,null,N,null
earth science
paleoclimate
speleothems
delta 18O,calcium carbonate,null,per mil VPDB,null,speleothems,raw,isotope ratio mass spectrometry,N,null
earth science
paleoclimate
speleothems
age,null,null,calendar kiloyear before present,null,speleothems,null,null,N,null
earth science
paleoclimate
speleothems
oxygen isotopes
geoscientificInformation
Monsoon
16319 cal yr BP
7322 cal yr BP
Complete
25.4833
25.4833
107.9
107.9
570
570
Continent
Asia
Eastern Asia
China
Yamen Cave>LATITUDE 25.4833>LONGITUDE 107.9
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
Yang, Y., D.X. Yuan, H. Cheng, M.L. Zhang, J.M. Qin,
Y.S. Lin, X.Y. Zhu, and R.L. Edwards. 2010.
Precise dating of abrupt shifts in the Asian Monsoon during
the last deglaciation based on stalagmite data from Yamen Cave,
Guizhou Province, China.
Sci China Earth Sci, Vol. 53, No. 5, pp. 633-641.
DOI: 10.1007/s11430-010-0025-z
Based on 33 U/Th dates and 1020 oxygen isotopic data from stalagmite Y1
from Yamen Cave, Guizhou Province, China, a record of the Asian Summer
Monsoon (ASM) was established. The record covers the last deglaciation
and the early Holocene (from 16.2 to 7.3 ka BP) with an average oxygen
isotope resolution of 9 years. The main millennial-scale deglacial events
first identified in Greenland (Greenland Interstadial Events: GIS 1e
through GIS 1a) and later in China are clearly present in the Y1 record.
By analogy to earlier work, we refer to these as Chinese Interstadials
(CIS): CIS A.1e to CIS A.1a. The onset of these events in Y1 d18O records
are nominally dated at: 14750±50, 14100±60, 13870±80, 13370±80,
and 12990±80 a BP. The end of CIS A.1a or the beginning of the Younger
Dryas (YD) event is nominally at 12850±50 a BP and the end of the YD
dates to 11500±40 a BP. The d18O values shift by close to 3 per mil
during the transition into the Bolling-Allerod (BA, the onset of CIS A.1e)
and at the end of the YD. Comparisons of Y1 to previously published early
Holocene records show no significant phase differences. Thus, the East
Asia Monsoon and the Indian Monsoon do not appear to have been out of
phase during this interval. The Y1 record confirms earlier work that
suggested that solar insolation and North Atlantic climate both affect
the Asian Monsoon.
STUDY NOTES: High-resolution oxygen isotope data and U/Th dating results for
the last deglaciation and the early Holocene (16.3 to 7.3 ka BP)
with an average oxygen isotope resolution of 9 years. Data from
stalagmite Y1 collected in Yamen cave, Guizhou province,
Southwestern China.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/china/yamen2010.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/china/yamen2010.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11