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Numerical Simulation of the Development of Vortices over the Qinghai-Xizang (Tibet) Plateau

机译：青藏高原涡旋发展的数值模拟

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Some of the vortices which develop over the Tibetan Plateau during summer give rise to severe weather over eastern China. These weather developments can be difficult to forecast, but have been simulated successfully in a recently developed numerical model. It will be shown that different vortices respond differently to topographic effects, to nonlinear processes and to sensible and latent heating in their formation, maintenance, and motion. Elevated terrain appears to enhance the influence of thermodynamic processes, block airflow, and increase frictional dissipation. Sensible heating sometimes collaborates with topography in blocking cold air intrusions and is not only a function of terrain elevation but also of the synoptic situation. Without the input of latent heating, vortices over the eastern part of the Tibetan Plateau tend to degenerate. (Reprints)

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