noaa-ocean-11171
Norwegian Sea P1-003MC/SC 1000 Year Planktonic d18O Data
Sejrup, H.P.; Lehman, S.J.; Haflidason, H.; Noone, D.; Muscheler, R.; Berstad, I.M.; Andrews, J.T.
Norwegian Sea P1-003MC/SC 1000 Year Planktonic d18O Data
2011-05-11
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/11171
Investigator
H.P.
Sejrup
Investigator
S.J.
Lehman
Investigator
H.
Haflidason
Investigator
D.
Noone
Investigator
R.
Muscheler
Investigator
I.M.
Berstad
Investigator
J.T.
Andrews
earth science
paleoclimate
paleoceanography
delta 18O,Neogloboquadrina pachyderma,null,per mil,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
depth,null,null,centimeter,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
age,null,null,year Common Era,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleocean
oxygen isotopes
geoscientificInformation
Meridional Overturning Circulation (MOC)
991 AD
1998 AD
959 cal yr BP
-48 cal yr BP
Complete
63.7622
63.7622
5.2553
5.2553
-851
-851
Ocean
Atlantic Ocean
North Atlantic Ocean
Norwegian Sea
P1-003SC>LATITUDE 63.7622>LONGITUDE 5.2553
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
Sejrup, H.P., S.J. Lehman, H. Haflidason, D. Noone, R. Muscheler,
I.M. Berstad, and J.T. Andrews. 2010.
Response of Norwegian Sea temperature to solar forcing since 1000 A.D.
Journal of Geophysical Research, Vol. 115, C12034.
doi:10.1029/2010JC006264.
We report on a 1000 year long oxygen isotope record in sediments
of the eastern Norwegian Sea which, we argue, represents the
temperature and transport of warm Atlantic waters entering the
Nordic Sea basin via the North Atlantic Drift and the large-scale
Meridional Overturning Circulation. The single-sample resolution
of the record is 2.5-10 years and age control is provided by 210Pb
and 137Cs dating, identification of historic tephra, and a 14C
"wiggle-match" dating method in which the surface reservoir 14C age
in the past is constrained rather than assumed, thereby eliminating
a large source of chronological uncertainty. The oxygen isotope
results indicate decade- to century-scale temperature variations
of 1-2°C in the shallow (~50 m deep) subsurface which we find to be
strongly correlated with various proxies of past solar activity.
The correlations are synchronous to within the timescale uncertainties
of the ocean and solar proxy records, which vary among the records
and in time with a range of about 5-30 years. The observed ocean
temperature response is larger than expected based on simple
thermodynamic considerations, indicating that there is dynamical
response of the high-latitude ocean to the Sun. Correlations of our
results with a gridded temperature reconstruction for Europe are
greater in central Europe than in coastal regions, suggesting that
the temperature and transport of warm Atlantic waters entering
the Nordic Basin and the pattern of temperature variability over
Europe are both the proximate responses to a change in the
atmospheric circulation, consistent with a forced shift in the
primary modes of high-latitude atmospheric variability.
STUDY NOTES: High resolution (2.5-10 years) planktonic foraminifer oxygen isotope
record from the Storegga Slide area, Norwegian Sea, for the past 1000
years. Oxygen isotope (d18O) measurements were made on the planktonic
foraminifer Neogloboquadrina pachyderma (dextral form).
Multicore P1-003MC (41.6 cm long) and core P1-003SC (~6m long)
were retrieved from the same location:
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/sejrup2010/sejrup2010.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/sejrup2010/sejrup2010.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11