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Discovery

Modeling the Local Impact of Global Climate Change

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Photo of Masao Kanamitsu of Scripps Institution of Oceanography.

Masao Kanamitsu, a researcher at Scripps Institution of Oceanography.

Credit: Courtesy of Masao Kanamitsu, Scripps Institution of Oceanography


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Images showing 3-hourly evolution of the Catalina Eddy during two days.

A recent study of the Catalina Eddy performed by Kanamitsu. The figure shows the 3-hourly evolution of the eddy during two days. Kanamitsu discovered that the eddy disappears during 00Z and 03Z, which had never been reported before. This was due to the lack of high time-resolution observations. This kind of analysis is only possible using the dynamically downscaled analysis.

Credit: Courtesy of Masao Kanamitsu, Scripps Institution of Oceanography


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Images of famous eddy in Southern California showing what dynamical downscaling can achieve.

A demonstration of what dynamical downscaling can achieve. The center figure is the coarse resolution analysis used to force the high resolution model. The left figure is the output from Kanamitsu's downscaling which produces an eddy, or current. This eddy is famous in Southern California due to the very cloudy and cold weather during the May-June period. The right figure is the regional scale analysis performed by National Weather Service, which utilized local observations.

Credit: Courtesy of Masao Kanamitsu, Scripps Institution of Oceanography


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