noaa-icecore-11173
Svalbard Ice Cores 600 Year Annual d18O Data
Isaksson, E.; Divine, E.; Kohler, J.; Martma, T.; Pohjola, V.; Motoyama, H.; Watanabe, O.
Svalbard Ice Cores 600 Year Annual d18O Data
2011-05-20
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/11173
Investigator
E.
Isaksson
Investigator
E.
Divine
Investigator
J.
Kohler
Investigator
T.
Martma
Investigator
V.
Pohjola
Investigator
H.
Motoyama
Investigator
O.
Watanabe
earth science
paleoclimate
ice cores
ice age,null,null,year Common Era,null,ice cores,null,null,N,null
earth science
paleoclimate
ice cores
delta 18O,bulk ice,null,unspecified unit,null,ice cores,null,null,N,null
earth science
paleoclimate
ice core
oxygen isotopes
geoscientificInformation
Arctic Oscillation (AO)
1400 AD
1998 AD
550 cal yr BP
-48 cal yr BP
Complete
78.73
79.85
17.57
24.13
750
1020
Continent
Europe
Northern Europe
Scandanavia
Norway
Lomonosovfonna>LATITUDE 78.73>LONGITUDE 17.57
Continent
Europe
Northern Europe
Scandanavia
Norway
Austfonna>LATITUDE 79.85>LONGITUDE 24.13
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
Isaksson, E., D. Divine, J. Kohler, T. Martma, V. Pohjola,
H. Motoyama, and O. Watanabe. 2005.
Climate oscillations as recorded in Svalbard ice core d18O
records between 1200-1997 AD.
Geografiska Annaler: Series A, Physical Geography,
Vol. 87, Issue 1, pp. 203-214, March 2005.
DOI: 10.1111/j.0435-3676.2005.00253.x
We apply two different time series analytical tools to d18O records
from two Svalbard ice cores. One ice core is from Lomonosovfonna at
1250 m a.s.l. and the other from Austfonna at 750 m a.s.l. These cores
are estimated to cover at least the past 800 years and have been dated
using a combinationof known reference horizons and glacial modelling.
Wavelet analysis reveals low frequency oscillations on the 60-120-year
scale on the lower elevation site Austfonna while the higher altitude
site on Lomonosovfonna does not reveal such variability throughout
the record. The second method, Significant Zero Crossing of Derivates
(SiZer) does not resolve the low-frequency periodicity seen in the
wavelet analysis. The low-frequency variability resolved by the wavelet
analysis is similar to what has been found in various climate records
including instrumental temperatures and tree-rings, and has been
proposed as the most important oscillation for the observed trends
in Arctic air temperatures.
STUDY NOTES: Annual oxygen isotope (d18O) data from the Lomonosovfonna
and Austfonna ice cores, Svalbard, for the past 600 years.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/polar/svalbard/svalbard2005d18o.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/polar/svalbard/svalbard2005d18o.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11