noaa-icecore-11148
Greenland Ice Sheet Holocene d18O, Temperature, and Surface Elevation
Vinther, B.M.; Buchardt, S.L.; Clausen, H.B.; Dahl-Jensen, D.; Johnsen, S.J.; Fisher, D.A.; Koerner, R.M.; Raynaud, D.; Lipenkov, V.; Andersen, K.K.; Blunier, T.; Rasmussen, S.O.; Steffensen, J.P.; Svensson, A.M.
Greenland Ice Sheet Holocene d18O, Temperature, and Surface Elevation
2011-04-29
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/11148
Investigator
B.M.
Vinther
Investigator
S.L.
Buchardt
Investigator
H.B.
Clausen
Investigator
D.
Dahl-Jensen
Investigator
S.J.
Johnsen
Investigator
D.A.
Fisher
Investigator
R.M.
Koerner
Investigator
D.
Raynaud
Investigator
V.
Lipenkov
Investigator
K.K.
Andersen
Investigator
T.
Blunier
Investigator
S.O.
Rasmussen
Investigator
J.P.
Steffensen
Investigator
A.M.
Svensson
earth science
paleoclimate
climate reconstructions|ice cores
ice age,null,null,calendar year before present,null,climate reconstructions|ice cores,null,null,N,present defined as 2000 A.D.
earth science
paleoclimate
climate reconstructions|ice cores
surface temperature,delta 18O,null,degree Celsius,null,climate reconstructions|ice cores,anomalized,null,N,null
earth science
paleoclimate
ice cores
delta 18O,bulk ice,null,per mil SMOW,null,ice cores,averaged,null,N,null
earth science
paleoclimate
climate reconstructions|ice cores
surface temperature,delta 18O,null,degree Celsius,null,climate reconstructions|ice cores,anomalized|smoothed,null,N,null
earth science
paleoclimate
ice cores
delta 18O,bulk ice,null,per mil SMOW,null,ice cores,averaged|corrected,null,N,null
earth science
paleoclimate
climate reconstructions|ice cores
ice sheet elevation,null,null,meter,null,climate reconstructions|ice cores,anomalized,null,N,null
earth science
paleoclimate
ice core
oxygen isotopes
geoscientificInformation
11700 cal yr BP
-10 cal yr BP
Complete
65.18
80.7
-73.1
-26.73
1730
2917
Continent
North America
Greenland
GRIP>LATITUDE 72.58>LONGITUDE -37.63
Continent
North America
Greenland
Dye 3>LATITUDE 65.18>LONGITUDE -43.82
Continent
North America
Greenland
Camp Century>LATITUDE 77.17>LONGITUDE -61.13
Continent
North America
Canada
Agassiz Ice Cap>LATITUDE 80.7>LONGITUDE -73.1
Continent
North America
Greenland
North GRIP>LATITUDE 75.1>LONGITUDE -42.33
Continent
North America
Greenland
Renland>LATITUDE 71.27>LONGITUDE -26.73
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
Vinther, B.M., S.L. Buchardt, H.B. Clausen, D. Dahl-Jensen, S.J. Johnsen,
D.A. Fisher, R.M. Koerner, D. Raynaud, V. Lipenkov, K.K. Andersen,
T. Blunier, S.O. Rasmussen, J.P. Steffensen, and A.M. Svensson. 2009.
Holocene thinning of the Greenland ice sheet.
Nature, Vol. 461, pp. 385-388, 17 September 2009.
doi:10.1038/nature08355
On entering an era of global warming, the stability of the Greenland
ice sheet (GIS) is an important concern, especially in the light of
new evidence of rapidly changing flow and melt conditions at the GIS
margins. Studying the response of the GIS to past climatic change may
help to advance our understanding of GIS dynamics. The previous
interpretation of evidence from stable isotopes (d18O) in water from
GIS ice cores was that Holocene climate variability on the GIS differed
spatially and that a consistent Holocene climate optimum - the unusually
warm period from about 9,000 to 6,000 years ago found in many northern
latitude palaeoclimate records - did not exist. Here we extract both
the Greenland Holocene temperature history and the evolution of GIS
surface elevation at four GIS locations. We achieve this by comparing
d18O from GIS ice cores with d18O from ice cores from small marginal
icecaps. Contrary to the earlier interpretation of d18O evidence from
ice cores, our new temperature history reveals a pronounced Holocene
climatic optimum in Greenland coinciding with maximum thinning near
the GIS margins. Our d18O-based results are corroborated by the air
content of ice cores, a proxy for surface elevation. State-of-the-art
ice sheet models are generally found to be underestimating the extent
and changes in GIS elevation and area; our findings may help to improve
the ability of models to reproduce the GIS response to Holocene climate.
STUDY NOTES: Oxygen isotope data and uplift correction plus surface temperature
reconstruction and elevation calculations for 6 Greenland ice cores
over the Holocene.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/vinther2009greenland.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/vinther2009greenland.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11