Recent Publications: |
Ahn, J., Brook, E. J., and Howell, K. A method for precise measurements of paleoatmospheric CO2 mixing ratio of the trapped air in polar ice, Journal of Glaciology (in press)
Ahn, J. and Brook, E. J., Atmospheric CO2 and climate change on millennial time scales during the last glacial period, Science, 322, 83-85, doi: 10.1126/science.1160832 (2008).
Ahn, J., Headly, M., Wahlen, M., Brook, E.J., Mayewski, P.A., and Taylor, K.C., CO2 diffusion in polar ice: observations from naturally formed CO2 spikes in the Siple Dome (Antarctica) ice core, Journal of Glaciology,54, 685-695 (2008).
Ahn, J. and Brook, E. J., Atmospheric CO2 and climate from 65 to 30 ka B.P., Geophysical Research Letters, 34, L10703,
doi:10.1029/2007GL029551 (2007).
Schmittner, A., Brook, E. J., and Ahn, J., Impact of the ocean’s overturning circulation on atmospheric CO2 in "Ocean Circulation: Mechanisms and Impacts" AGU Geophysical Monograph Series volume 173, pp 315-334 (2007).
Cho, M., Kim, Y., and Ahn, J., Metamorphic evolution of the Imjingang Belt: Implications for Permo-Triassic collisional orogeny in Korea, International Geology Review, 49 (1), 30-51 (2007).
Ahn, J., Wahlen, M., Deck, B.L., Brook, E.J., Mayewski, P.A., Taylor, K.C., and J.W.C. White, A record of atmospheric CO2 during the last 40,000 years from the Siple Dome, Antarctica Ice core, Journal of Geophysical Research, 109, D13305, doi:10.1029/2003JD004415 (2004)
Ahn, J. and Cho, M. Application of cathodoluminescence to fine-grained pelitic schists of the Imjingang Belt, Korea. European Journal of Mineralogy, 12, 1057-1062 (2000)
Data Repository
Ahn, J., E.J. Brook, Atmospheric CO2 and climate change on millennial time scales during the last glacial period, Boulder, CO: NOAA World Data Center for Paleoclimatology.
http://www.ncdc.noaa.gov/paleo/pubs/ahn2008/ahn2008.html (2008)
Ahn, J., M. Wahlen, and B. Deck, Atmospheric CO2 Trapped in the Ice Core from Siple Dome, Antarctica. Boulder, CO: National Snow and Ice Data Center. Digital media.
http://nsidc.org/data/docs/agdc/nsidc0202_wahlen/ (2003)
Citations / Interviews in Popular Media
National Science Foundation news (Press Release 08-172), “Gas From the Past Gives Scientists New Insights into Climate and the Oceans”, Oct 3, 2008
http://www.nsf.gov/news/news_summ.jsp?cntn_id=112395&org=OLPA&from=news
Environmental Research Web, “Carbon dioxide levels depended on ocean”, Sep 18, 2008
http://environmentalresearchweb.org/cws/article/research/35850
EurekAlert, “Ice core studies confirm accuracy of climate models”, Sep 11, 2008
http://www.eurekalert.org/pub_releases/2008-09/osu-ics090808.php |
