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A NUMERICAL SIMULATION OF THE GEOSTROPHIC ADJUSTMENT PROCESS
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作者 陈秋士 卢咸池 王衡 《Acta meteorologica Sinica》 SCIE 1987年第2期151-163,共13页
In this paper,a numerical simulation of the geostrophic adjustment process with C-grid network is illustrated.A difference scheme which has the energy and potential vorticity conserving relation consistent with the di... In this paper,a numerical simulation of the geostrophic adjustment process with C-grid network is illustrated.A difference scheme which has the energy and potential vorticity conserving relation consistent with the differential equations is given,and the effect of some time difference schemes on dispersion of the gravity-inertia wave is discussed.An improved forward-backward time integration scheme is proposed for keeping the computational stability.The effect of various boundary conditions for a finite region model On the gravity-inertia wave is shown by some calculated results. 展开更多
关键词 PR A NUMERICAL SIMULATION OF THE geostrophic adjustment process
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THE DYNAMICAL BASIS OF GEOSTROPHIC ADJUSTMENT MOTIONS IN TROPICS
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作者 CHAO Jiping(巢纪平) 《Acta meteorologica Sinica》 SCIE 2001年第1期40-48,共9页
Some dynamic constrains in the process of the tropical baroclinic geostrophic adjustment are discussed.The dispersion equation of three-dimensional inertia-gravitational wave and the equation of temporal conservation ... Some dynamic constrains in the process of the tropical baroclinic geostrophic adjustment are discussed.The dispersion equation of three-dimensional inertia-gravitational wave and the equation of temporal conservation of potential vorticity are given,without considering the gradient of planetary potential vorticity.It indicates that the motions will be horizontal,meaning that Taylor-Proudman theorem is still right for tropics.At the same time,the semi-geostrophic balance is easier to appear in the tropical belt.Therefore the motions are generally horizontal and non-divergent,but still are stratified after the geostrophic balance establishes. 展开更多
关键词 tropical baroclinic atmosphere geostrophic adjustment process dynamic constraint
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