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Browsing Faculty Research Publications (College of Earth, Ocean, and Atmospheric Sciences) by Author "Ahn, Jinho"

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Browsing Faculty Research Publications (College of Earth, Ocean, and Atmospheric Sciences) by Author "Ahn, Jinho"

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  • Ahn, Jinho; Brook, Edward J.; Schmittner, Andreas; Kreutz, Karl (American Geophysical Union, 2012-09-28)
    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 an ...
  • Ahn, Jinho; Brook, Edward J. (American Geophysical Union, 2007)
    Using new and existing ice core CO₂ data from 65 ∼ 30 ka a new chronology for CO₂ is established and synchronized with Greenland ice core records to study how high latitude climate change and the carbon cycle were linked ...
  • Ahn, Jinho; Brook, Edward J.; Mitchell, Logan; Rosen, Julia; McConnell, Joseph R.; Taylor, Kendrick; Etheridge, David; Rubino, Mauro (American Geophysical Union, 2012-05-26)
    We report a decadally resolved record of atmospheric CO₂ concentration for the last 1000 years, obtained from the West Antarctic Ice Sheet (WAIS) Divide shallow ice core. The most prominent feature of the pre-industrial ...
  • Ahn, Jinho; Headly, Melissa; Wahlen, Martin; Brook, Edward J.; Mayewski, Paul A.; Taylor, Kendrick C. (International Glaciological Society, 2008-12)
    One common assumption in interpreting ice-core CO₂ records is that diffusion in the ice does not affect the concentration profile. However, this assumption remains untested because the extremely small CO₂ diffusion coeff ...
  • Schmittner, Andreas; Brook, Edward J.; Ahn, Jinho (American Geophysical Union, 2007)
    A coupled climate-carbon cycle model and ice core CO2 data from the last glacial period are used to explore the impact of changes in ocean circulation on atmospheric CO2 concentrations on millennial time scales. In the ...
  • Ahn, Jinho; Wahlen, Martin; Deck, Bruce L.; Brook, Ed J.; Mayewski, Paul A.; Taylor, Kendrick C.; White, James W. C. (American Geophysical Union, 2004)
    We have measured the CO₂ concentration of air occluded during the last 40,000 years in the deep Siple Dome A (hereafter Siple Dome) ice core, Antarctica. The general trend of CO₂ concentration from Siple Dome ice follows ...
  • Ahn, Jinho; Brook, Edward J.; Buizert, Christo (American Geophysical Union, 2014-01-17)
    Atmospheric CO₂ records for the centennial scale cooling event 8200 years ago (8.2 ka event) may help us understand climate-carbon cycle feedbacks under interglacial conditions, which are important for understanding fu ...

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