noaa-lake-5450
Lake Huguang Maar 16KYr High Resolution Ti and Magnetic Data
Yancheva, G.; Nowaczyk, N.R.; Mingram, J.; Dulski, P.; Schettler, G.; Negendank, J.F.W.; Liu, J.; Sigman, D.M.; Peterson, L.C.; Haug, G.H.
Lake Huguang Maar 16KYr High Resolution Ti and Magnetic Data
2007-01-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/5450
Investigator
G.
Yancheva
Investigator
N.R.
Nowaczyk
Investigator
J.
Mingram
Investigator
P.
Dulski
Investigator
G.
Schettler
Investigator
J.F.W.
Negendank
Investigator
J.
Liu
Investigator
D.M.
Sigman
Investigator
L.C.
Peterson
Investigator
G.H.
Haug
earth science
paleoclimate
paleolimnology
manganese/iron,sediment,null,dimensionless,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,units x 10-3
earth science
paleoclimate
paleolimnology
S-ratio,sediment,null,dimensionless,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
organic carbon,sediment,null,weight percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
volume magnetic susceptibility,sediment,null,dimensionless (SI system),null,paleolimnology,null,magnetic susceptibility measurement,N,x10-6 units
earth science
paleoclimate
paleolimnology
depth,null,null,centimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
sulfur,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,null
earth science
paleoclimate
paleolimnology
titanium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,null
earth science
paleoclimate
paleolimnology
titanium,sediment,null,count per second,null,paleolimnology,smoothed,energy-dispersive x-ray fluorescence spectroscopy,N,smoothed with a 9 point triangular window
earth science
paleoclimate
paleolimnology
iron,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,null
earth science
paleoclimate
paleolimnology
biogenic silica,sediment,null,milligram per square centimeter per year,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
manganese/titanium,sediment,null,dimensionless,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,units x 10-3
earth science
paleoclimate
paleolimnology
sulfur,sediment,null,weight percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
biogenic silica,sediment,null,weight percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
age,null,null,calendar year before present,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
manganese,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,null
earth science
paleoclimate
paleolimnology
geochemistry
geoscientificInformation
16453 cal yr BP
102 cal yr BP
Complete
21.15
21.15
110.283
110.283
23
23
Continent
Asia
Eastern Asia
China
Lake Huguang Maar>LATITUDE 21.15>LONGITUDE 110.283
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
Yancheva, G., N.R. Nowaczyk, J. Mingram, P. Dulski, G. Schettler, J.F.W. Negendank, J. Liu, D.M. Sigman, L.C. Peterson, G.H. Haug. 2007. Influence of the intertropical convergence zone on the East Asian monsoon. Nature Vol 445, pp. 74-77, 4 January 2007
The Asian-Australian monsoon is an important component of the Earth's climate system that influences the societal and economic activity of roughly half the world's population. The past strength of the rain-bearing East Asian summer monsoon can be reconstructed with archives such as cave deposits, but the winter monsoon has no such signature in the hydrological cycle and has thus proved difficult to reconstruct. Here we present high- resolution records of the magnetic properties and the titanium content of the sediments of Lake Huguang Maar in coastal southeast China over the past 16,000 years, which we use as proxies for the strength of the winter monsoon winds. We find evidence for stronger winter monsoon winds before the Bølling-Allerød warming, during the Younger Dryas episode and during the middle and late Holocene, when cave stalagmites suggest weaker summer monsoons. We conclude that this anticorrelation is best explained by migrations in the intertropical convergence zone. Similar migrations of the intertropical convergence zone have been observed in Central America for the period AD 700 to 900, suggesting global climatic changes at that time. From the coincidence in timing, we suggest that these migrations in the tropical rain belt could have contributed to the declines of both the Tang dynasty in China and the Classic Maya in Central America.
STUDY NOTES: High resolution titanium and magnetic sediment data from Lake Huguang Maar,
southeast China.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/asia/china/huguang-maar2007.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/asia/china/huguang-maar2007.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11