noaa-lake-8656
Lake Meerfelder Maar Younger Dryas Varved Sediment Data
Brauer, A.; Haug, G.H.; Dulski, P.; Sigman, D.M.; Negendank, J.F.W.
Lake Meerfelder Maar Younger Dryas Varved Sediment Data
2009-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/8656
Investigator
A.
Brauer
Investigator
G.H.
Haug
Investigator
P.
Dulski
Investigator
D.M.
Sigman
Investigator
J.F.W.
Negendank
earth science
paleoclimate
paleolimnology
iron,sediment,null,count per second,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null
earth science
paleoclimate
paleolimnology
iron,sediment,null,count per second,null,paleolimnology,smoothed,x-ray fluorescence spectroscopy,N,smoothed 11 point running average
earth science
paleoclimate
paleolimnology
varve thickness,null,null,millimeter,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
physical properties
geoscientificInformation
12950 cal yr BP
10950 cal yr BP
Complete
50.1
50.1
6.75
6.75
Continent
Europe
Western Europe
Germany
Lake Meerfelder Maar>LATITUDE 50.1>LONGITUDE 6.75
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
Brauer, A., Haug, G.H., Dulski, P., Sigman, D.M., Negendank, J.F.W. 2008. An abrupt wind shift in western Europe at the onset of the Younger Dryas cold period. Nature Geoscience, 1, 520-523.
The Younger Dryas cooling 12,700 years ago is one of the most abrupt climate changes observed in Northern Hemisphere palaeoclimate records. Annually laminated lake sediments are ideally suited to record the dynamics of such abrupt changes, as the seasonal deposition responds immediately to climate, and the varve counts provide an accurate estimate of the timing of the change. Here, we present sub-annual records of varve microfacies and geochemistry from Lake Meerfelder Maar in western Germany, providing one of the best dated records of this climate transition. Our data indicate an abrupt increase in storminess during the autumn to spring seasons, occurring from one year to the next at 12,679 yr BP, broadly coincident with other changes in this region. We suggest that this shift in wind strength represents an abrupt change in the North Atlantic westerlies towards a stronger and more zonal jet. Changes in meridional overturning circulation alone cannot fully explain the changes in European climate; we suggest the observed wind shift provides the mechanism for the strong temporal link between North Atlantic Ocean overturning circulation and European climate during deglaciation.
STUDY NOTES: Varve thickness and iron content data for Lake Meerfelder Maar, western Germany, across the Younger Dryas cold interval at sub-annual resolution.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/europe/germany/meerfelder-maar2008.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/europe/germany/meerfelder-maar2008.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11