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What maintained the cold climate during the Last Glacial Maximum?: A brief recap

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Title
What maintained the cold climate during the Last Glacial Maximum?: A brief recap
Other Titles
무엇이 LGM동안 한랭한 기후가 유지되게 하였는가?
Authors
Kim, Seong-Joong
Keywords
Last Glacial Maximum; cold climate; ice sheet
Issue Date
2007
Citation
Kim, Seong-Joong. 2007. What maintained the cold climate during the Last Glacial Maximum?: A brief recap. CNU-INC&MG. CNU-INC&MG. 2007.11.16~.
Abstract
In the atmospheric GCM with specified SST or coupled to mixed layer ocean model, the presence of ice sheet plays the most important role, whereas in the coupled model the reduction of atmospheric CO2 concentration accounts for about 60% of total LGM climate change, especially for the surface cooling. This feedback is associated with the change in the overturning circulation, and the ocean meridional heat transport. The rest of LGM climate change is largely accounted for by the ice sheet topography and its associated land albedo change. Whereas the ice sheet topography results in a large modification in the surface temperature pattern over land, the reduced CO2 concentraion apperas to play an important role in shaping the spatial distribution and the magnitude of surface temperature over ocean through a larger ocean dynamic feedback.
URI
http://repository.kopri.re.kr/handle/201206/7754
Conference Name
CNU-INC&MG
Conference Place
CNU-INC&MG
Conference Date
2007.11.16~
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