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Abrupt Change in Atmospheric CO2 During the Last Ice Age
Entry ID: NSIDC-0539


Summary
Abstract: During the last glacial period atmospheric carbon dioxide and temperature in Antarctica varied in a similar fashion on millennial time scales, but previous work indicates that these changes were gradual. In a detailed analysis of one event, we now find that approximately half of the CO2 increase that occurred during the 1500 year cold period between Dansgaard-Oeschger (DO) Events 8 and 9 happened rapidly, over less than two centuries. This rise in CO2 was synchronous with, or slightly later than, a rapid increase of Antarctic temperature inferred from stable isotopes.
Geographic Coverage
Spatial coordinates   
  N: -80.01   S: -80.01   E: -119.83   W: -119.83
Min Depth: 1685.1 METERS Max Depth: 1814.5 METERS
  N: -81.66   S: -81.66   E: -148.82   W: -148.82
Min Depth: 819 METERS Max Depth: 905 METERS

Data Set Citation
Dataset Originator/Creator: Brook, E. J. and J. Ahn.
Dataset Title: Abrupt Change in Atmospheric CO2 During the Last Ice Age
Dataset Release Date: 2013-08-09
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Version: 1
Online Resource: http://nsidc.org/data/NSIDC-0539
Temporal Coverage
Start Date: 2009-01-01
Stop Date: 2012-12-31
Data Set Progress
COMPLETE
Data Center
NSIDC Antarctic Glaciological Data Center Supplemental Info
Data Center URL: http://nsidc.org/agdc/

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
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Distribution
Distribution Media: FTP
Distribution Size: 42 KB
Distribution Format: Microsoft Excel
Personnel
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
View entire list
Publications/References
Ahn, J., and E. J. Brook. 2008. Atmospheric CO2 and Climate on Millennial Time Scales during the Last Glacial Period. Science, 322, 83 - 85, doi:10.1126/science.1160832. Ahn, Jinho, Edward J. Brook, Andreas Schmittner, and Karl Kreutz. 2013. Abrupt Change in Atmospheric CO2 During the Last Ice Age. Geophysical Research Letters, 39, L18711, doi:10.1029/2012GL053018. Ahn, Jinho., Edward J. Brook, ... View entire text
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2013-08-09
Last DIF Revision Date: 2016-01-27


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