Shinji Matsumura - Academia.edu (original) (raw)

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Papers by Shinji Matsumura

Research paper thumbnail of SST-Forced and Internal Variability of the Atmosphere in an Ensemble GCM Simulation

Journal of the Meteorological Society of Japan, 2010

A 20-member ensemble simulation has been conducted with an atmospheric general circulation model ... more A 20-member ensemble simulation has been conducted with an atmospheric general circulation model to investigate the time-space characteristics of the leading modes of internal and SST-forced variability in the winter Northern Hemisphere. Each of the 20 integrations is forced by the identical global sea surface temperature (SST) and sea ice history observed for 1959-1998, and di¤ers only in the initial conditions. A variance analysis is performed to quantify the relative importance of the SST-forced and internal variability. In the extratropics, the SST-forced signals are much higher in the North Pacific than in the North Atlantic where month-to-month and interannual variability is dominated by internal chaos.

Research paper thumbnail of SST-Forced and Internal Variability of the Atmosphere in an Ensemble GCM Simulation

Journal of the Meteorological Society of Japan, 2010

A 20-member ensemble simulation has been conducted with an atmospheric general circulation model ... more A 20-member ensemble simulation has been conducted with an atmospheric general circulation model to investigate the time-space characteristics of the leading modes of internal and SST-forced variability in the winter Northern Hemisphere. Each of the 20 integrations is forced by the identical global sea surface temperature (SST) and sea ice history observed for 1959-1998, and di¤ers only in the initial conditions. A variance analysis is performed to quantify the relative importance of the SST-forced and internal variability. In the extratropics, the SST-forced signals are much higher in the North Pacific than in the North Atlantic where month-to-month and interannual variability is dominated by internal chaos.

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