A SOURCE SINK VORTEX AS A HYDRODYNAMIC MODEL OF TROPICAL CYCLONE

被引：2

作者：

YOSHIMOTO, M ^{[1
]}

KIMURA, R ^{[1
]}

机构：

[1] NATL INST AGROENVIRONM SCI,TSUKUBA,IBARAKI 305,JAPAN

来源：

FLUID DYNAMICS RESEARCH | 1993年 / 11卷 / 04期

关键词：

D O I：

10.1016/0169-5983(93)90042-9

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Using a simple two-layer model in a rotating fluid it is explained why the surface depression in a tropical cyclone takes place even though the air mass converges near the vortex centre and accumulates over the cyclonic vortex due to geostrophic adjustment. It is shown that an anticyclonic vortex of warm air released from the centre of a tropical cycle penetrates into the stratosphere. Due to isostacy, part of the air mass in the stratosphere escapes from the cyclonic region so that the depression at the surface takes place. Because of this process the tropical cyclone behaves like a sink vortex.

引用

页码：171 / 181

页数：11

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