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  • Dairaku, K., and S. Emori, 2006: Dynamic and Thermodynamic Influences on Intensified Daily Rainfall during the Asian Summer Monsoon under Doubled Atmospheric CO2. Geophys. Res. Lett., 33, L01704, doi:10.1029/2005GL024754.

Results from time-slice ensemble experiments using a T106 AGCM revealed changes in the South Asian summer monsoon resulting from climate change. Model results under global warming conditions suggested more warming over land than over the ocean, a northward shift of lower tropospheric monsoon circulation, and an increase in mean precipitation during the Asian summer monsoon. The number of extreme daily precipitation events increased significantly. Increases in mean and extreme precipitation were attributed to greater atmospheric moisture content (a thermodynamic change). In contrast, dynamic changes limited the intensification of mean precipitation. Enhanced extreme precipitation over land in South Asia arose from dynamic changes rather than thermodynamic changes.

Full Article: http://atm-phys.nies.go.jp/~dairaku/publication/GRLv33-p2005GL024754.pdf

Last Updated: 2007-03-18

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