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Siple Dome Core Date from Measurement of the d18O of Paleoatmospheric Oxygen
Entry ID: NSIDC-0123

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Summary

Abstract: This data set is part of the West Antarctic Ice Sheet Cores (WAISCORES) project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and analyzed ice core samples from the Siple Dome, in the Siple Coast region, West Antarctica. This data set includes a timescale record for the Siple Dome ice core. This chronology is derived by measuring the delta oxygen-18 of paleoatmospheric oxygen (δ¹⁸O_atm) then correlating those measurements to the Greenland Ice Sheet Project 2 (GISP2) record by adjusting the Siple Dome timescale so that its curve of δ¹⁸O_atm coincided with that of GISP2. The replicate samples were measured at 1 to 1.5 kiloyear (kyr) resolution for the length of the core. Because of core relaxation and cracking at the surface associated with gas loss and a small fractionation of O isotopes associated with loss of O₂, the δ¹⁸O_atm timescale and accuracy of the constraints of the Siple Dome control depths are subject to limited error. Data are available via FTP in Microsoft Excel (.xls) and Word (.doc) file formats.

Related URL

Link: VIEW PROJECT HOME PAGE

Geographic Coverage

N: -81.0 S: -81.0 E: -149.0 W: -149.0

Data Set Citation

Dataset Originator/Creator: Michael Bender
Dataset Title: Siple Dome Core Date from Measurement of the d18O of Paleoatmospheric Oxygen
Dataset Series Name: WAISCORES
Dataset Release Place: Boulder, CO U.S.A.
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Data Presentation Form: table
Online Resource: http://nsidc.org/data/nsidc-0123.html

Temporal Coverage

Start Date: 1996-01-01

Stop Date: 1999-12-31

Location Keywords

CONTINENT > ANTARCTICA
GEOGRAPHIC REGION > POLAR

Science Keywords

CRYOSPHERE >SNOW/ICE >ICE DEPTH/THICKNESS    [Definition]

CRYOSPHERE >GLACIERS/ICE SHEETS >ICE SHEETS    [Definition]

CRYOSPHERE >SNOW/ICE >SNOW DEPTH    [Definition]

TERRESTRIAL HYDROSPHERE >SNOW/ICE >ICE DEPTH/THICKNESS    [Definition]

TERRESTRIAL HYDROSPHERE >GLACIERS/ICE SHEETS >ICE SHEETS    [Definition]

TERRESTRIAL HYDROSPHERE >SNOW/ICE >SNOW DEPTH    [Definition]

PALEOCLIMATE >ICE CORE RECORDS >ISOTOPES    [Definition]

CRYOSPHERE >SNOW/ICE >SNOW STRATIGRAPHY    [Definition]

TERRESTRIAL HYDROSPHERE >SNOW/ICE >SNOW STRATIGRAPHY    [Definition]

CRYOSPHERE >SNOW/ICE >SNOW/ICE CHEMISTRY    [Definition]

TERRESTRIAL HYDROSPHERE >SNOW/ICE >SNOW/ICE CHEMISTRY    [Definition]

CRYOSPHERE >GLACIERS/ICE SHEETS >GLACIER THICKNESS/ICE SHEET THICKNESS    [Definition]

TERRESTRIAL HYDROSPHERE >GLACIERS/ICE SHEETS >GLACIER THICKNESS/ICE SHEET THICKNESS    [Definition]

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

GROUND STATIONS    [Information]

GROUND-BASED OBSERVATIONS    [Information]

LABORATORY    [Information]

Instrument

CORING DEVICES [Information]

Project

WAISCORES >West Antarctic Ice Sheet Cores [Information]

Keywords

accumulation

AGDC

Antarctica

d18O

densification

Glaciology

Ice Core

Ice Sheet

isotopes

NSIDC

paleotemperature

Siple

Siple Coast

Siple Dome

Snow

stratigraphy

thermometry

WAIS

WAISCORES

Data Set Progress

COMPLETE

Originating Center

NSIDC_AGDC

Data Center

National Snow and Ice Data Center [Information]
Data Center URL: http://nsidc.org
Dataset ID: NSIDC-0123

Data Center Personnel

Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

NSIDC Antarctic Glaciological Data Center [Information]
Data Center URL: http://nsidc.org/agdc/
Dataset ID: NSIDC-0123

Data Center Personnel

Name: NSIDC AGDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Distribution

Distribution_Media: FTP
Distribution_Size: ~530 KB
Distribution_Format: Microsoft Excel and Microsoft Word

Personnel

NSIDC USER SERVICES
Role: TECHNICAL CONTACT
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

MICHAEL LESLIE BENDER
Role: INVESTIGATOR
Phone: 609 258-2936
Fax: 609 258 0796
Email: bender at princeton.edu
Contact Address:
Department of Geosciences
Princeton University
M48 Guyot Hall
City: Princeton
Province or State: NJ
Postal Code: 08544
Country: USA

JAMES W.C. WHITE
Role: INVESTIGATOR
Phone: 303 492 7909
Fax: 303 492 6388
Email: james.white at colorado.edu
Contact Address:
Campus Box 450
University of Colorado
City: Boulder
Province or State: Colorado
Postal Code: 80309
Country: USA

Publications/References

Bender, M. L., G. Floch, J. Chappellaz, M. Suwa, J. M. Barnola, T. Blunier, G. Dreyfus, J. Jouzel, and F. Parrenin. 2006. Gas AgeÂIce Age Differences and the Chronology of the Vostok Ice Core, 0Â100 ka. Journal of Geophysical Research 111:D21115: doi:10.1029/2005JD006488. Bender, M. L., B. Malaize, J. Orchardo, T. Sowers, and J. Jouzel. 1999. High Precision Correlations of Greenland and Antarctic Ice Core Records Over the Last 100 kyr. In Mechanisms of Global Climate Change, eds. P. U. Clark, R. S. Webb, and L. D. Keigwin. American Geophysical Union Geophysical Monograph 112:149Â164. Brook, E. J., J. W. C. White, A. Schilla, M. Bender, B. Barnett, J. Severinghaus, K. Taylor, R. Alley, and E. Steig. 2005. Timing of Millennial-scale Climate Change at Siple Dome, West Antarctica, During the Last Glacial Period. Quaternary Science Reviews 24:1333-1343: doi:10.1016/j.quascirev.2005.02.002. Schilla, A. 2007. The Stable Isotopes and Deuterium Excess from the Sip
le Dome Ice Core: Implications for the Late Quaternary Climate and Elevation History of the Ross Sea Region, West Antarctica. Ph.D. Dissertation, Department of Geological Sciences, University of Colorado. Schilla, A., T. Popp, J. W. C. White, M. Bender, E. Brook, E. Steig, and K. Taylor. 2002. Stable Isotope Record From Siple Dome, Antarctica. Eos, Transactions, American Geophysical Union 83(19):A32B-12. Sowers, T., M. Bender, and D. Raynaud. 1989. Elemental and Isotopic Composition of Occluded O2 and N2 in Polar Ice. Journal of Geophysical Research 94: 5137-5150.

Creation and Review Dates

DIF Creation Date: 2003-03-04

Last DIF Revision Date: 2011-07-28

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