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Simulation of East Asia Climate Change for the Last Glacial Maximum

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Title
Simulation of East Asia Climate Change for the Last Glacial Maximum
Other Titles
마지막 최대 빙하기의 동아시아 기후 변화 시뮬레이션
Authors
Kim, Seong-Joong
Lee, Bang Yong
Keywords
CCM3; East Asia; Last Glacial Maximum
Issue Date
2006
Citation
Kim, Seong-Joong, Lee, Bang Yong. 2006. Simulation of East Asia Climate Change for the Last Glacial Maximum. Korea Institute of Geoscience and Mineral Resources. INET. Korea Institute of Geoscience and Mineral Resources. INET. 2006.09.26~.
Abstract
The high-resolution climate model and investigate the climate change of East Asia for the LGM. The simulations were performed with the Community Climate Model version 3 (CCM3) atmospheric general circulation model at about 75 km with 18 vertical levels. The modern experiment reproduces the climate features reasonably well in comparison to observations. Under LGM boundary conditions, surface temperature is markedly reduced by more than 18℃ in the Korean west sea and continental margin of the Korean east sea, where the ocean exposed to land in the LGM, whereas in these areas surface temperature is warmer than present by up to 2℃. This is due to the difference in heat capacity between ocean and land. Overall, in the LGM surface is cooled by 4~6℃ in northeast Asia land and by 7.1℃ in the entire area. An analysis of surface heat fluxes show that the surface cooling is due to the increase in outgoing longwave radiation associated with the reduced CO2 concentration. The high-resolution model captures the climate features reasonably well under global domain.
URI
http://repository.kopri.re.kr/handle/201206/7645
Conference Name
Korea Institute of Geoscience and Mineral Resources. INET
Conference Place
Korea Institute of Geoscience and Mineral Resources. INET
Conference Date
2006.09.26~
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