noaa-ocean-10489
Arabian Sea NIOP905 87KYr Benthic Stable Isotope Data
Jung, S.J.A.; Kroon, D.; Ganssen, G.; Peeters, F.J.C.; Ganeshram, R.S.
Arabian Sea NIOP905 87KYr Benthic Stable Isotope Data
2010-04-13
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/10489
Investigator
S.J.A.
Jung
Investigator
D.
Kroon
Investigator
G.
Ganssen
Investigator
F.J.C.
Peeters
Investigator
R.S.
Ganeshram
earth science
paleoclimate
paleoceanography
delta 18O,Cibicides kullenbergi,null,per mil PDB,null,paleoceanography,averaged,null,N,700-year running mean
earth science
paleoclimate
paleoceanography
age,null,null,calendar kiloyear before present,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
delta 13C,Cibicides kullenbergi,null,per mil PDB,null,paleoceanography,averaged,null,N,700-year running mean
earth science
paleoclimate
paleocean
oxygen isotopes
earth science
paleoclimate
paleocean
carbon isotopes
geoscientificInformation
Heinrich Events
Meridional Overturning Circulation (MOC)
87582 cal yr BP
956 cal yr BP
Complete
10.7669
10.7669
51.9511
51.9511
-1580
-1580
Ocean
Indian Ocean
Arabian Sea
NIOP905>LATITUDE 10.7669>LONGITUDE 51.9511
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
Jung, S.J.A., D. Kroon, G. Ganssen, F. Peeters, and R. Ganeshram. 2009.
Enhanced Arabian Sea intermediate water flow during glacial
North Atlantic cold phases.
Earth and Planetary Science Letters, Vol. 280, pp. 220-228.
doi:10.1016/j.epsl.2009.01.037
During the last glacial period, polar ice cores indicate climate
asynchrony between the poles at the millennial time-scale.
Yet, surface ocean circulation in large parts of the globe varied
in tune with Greenland temperature fluctuations suggesting that
any anti-phase behavior to a substantial degree must lie in the
deeper global ocean circulation which is poorly understood outside
the Atlantic Ocean. Here we present data from the north-western
Indian Ocean which indicate that the timing of maxima in northward
extensions of glacial Antarctic Intermediate Water (GAAIW) coincides
with dramatically reduced thermohaline overturn in the North Atlantic
associated with the Heinrich-ice surge events (HE). The repeated
expansion of the GAAIW during HEs, recorded far north of the equator
in the Arabian Sea, suggests that southern hemisphere driven
intermediate water mass variability forms an integral part of
the inter-hemisphere asynchronous climate change behavior at
the millennial time-scale.
STUDY NOTES: Benthic oxygen and carbon isotope data from the northwestern
Arabian Sea measured on the epibenthic foraminifera C. kullenbergi.
The data are from NIOP (Netherlands Indian Ocean Programme) Core 905,
retrieved from the continental slope off Somalia in 1993 from
a water depth of 1580 m. The age model is taken from Ivanochko 2005.
Oxygen and carbon isotope records are based on averages of multiple
single specimen analysis of the epibenthic foraminifera C. kullenbergi.
In a few limited cases Cibicidoides spp. were used to avoid gaps in
the record where C. kullenbergi was rare.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/jung2009/jung2009.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/jung2009/jung2009.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11