noaa-cave-9737
Tianmen Cave, Tibet MIS5 Stalagmite Oxygen Isotope Data
Cai, Y.; Cheng, H.; An, Z.; Edwards, R.L.; Wang, X.; Tan, L.; Wang, J.
Tianmen Cave, Tibet MIS5 Stalagmite Oxygen Isotope Data
2010-10-09
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/9737
Investigator
Y.
Cai
Investigator
H.
Cheng
Investigator
Z.
An
Investigator
R.L.
Edwards
Investigator
X.
Wang
Investigator
L.
Tan
Investigator
J.
Wang
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
Last Interglacial
Monsoon
127215 cal yr BP
76398 cal yr BP
Complete
30.9167
30.9167
90.0667
90.0667
4800
4800
Continent
Asia
Eastern Asia
China
Tianmen Cave>LATITUDE 30.9167>LONGITUDE 90.0667
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
Cai, Y., H. Cheng, Z. An, R.L. Edwards, X. Wang, L. Tan,
and J. Wang. 2010.
Large variations of oxygen isotopes in precipitation
over south-central Tibet during Marine Isotope Stage 5.
Geology, Vol. 38, No. 3, pp. 243-246, March 2010.
doi: 10.1130/G30306.1
Oxygen isotope (d18O) records of two stalagmites from Tianmen Cave,
on the south-central Tibetan Plateau, grew during much of Marine
Isotope Stage 5. The Tianmen record, the first cave record from
the Tibetan Plateau, characterizes a precipitation d18O history
larger in amplitude but similar in structure to Asian Monsoon
records from the adjacent regions, providing essential evidence
that the Asian Monsoon system, including the East Asian and Indian
Monsoon subsystems, responds largely to changes in Northern Hemisphere
summer insolation. Extremely low d18O values during Marine Isotope
Stages 5a, 5c, and 5e suggest that precipitation, rather than
temperature, was a major factor controlling d18O in precipitation
on orbital time scales in the south-central Tibetan Plateau.
The Tianmen record may help in the interpretation of regional
ice core d18O records. The large range of orbital-scale shifts
in meteoric d18O (>9‰) raises important considerations related to
reconstructing the uplift history of the plateau.
STUDY NOTES: Stalagmite oxygen isotope data from Tianmen Cave, Tibet,
U-Th dated between 125 and 76 KYrBP (Marine Isotope Stage 5).
Two stalagmites, TM-2 and TM-5, were collected ~150 m from
the entrance of Tianmen Cave, Bange, Tibet, China. The Tianmen
record consists of 334 stable isotope measurements, with time
resolutions between 25 and 165 years. Age model was constructed
based on 21 samples dated by the U-Th method using inductively
coupled plasma-mass spectrometry (ICP-MS).
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/china/tianmen2010.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/china/tianmen2010.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11