Trajectory analysis of the propagation of Rossby waves on the Earth's delta-surface

被引:0
|
作者
Song Jian [1 ]
Xue Hai-Le [2 ]
Da Chao-Jiu [3 ,4 ]
机构
[1] Inner Mongolia Univ Technol, Coll Sci, Hohhot, Peoples R China
[2] Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing, Peoples R China
[3] Northwest Univ Nationalities, Sch Math, Lanzhou, Gansu, Peoples R China
[4] Northwest Univ Nationalities, Comp Sci Inst, Lanzhou, Gansu, Peoples R China
基金
中国国家自然科学基金;
关键词
Trajectory; Rossby waves; beta-plane; delta-effect;
D O I
10.1080/16742834.2018.1506683
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
The propagation of Rossby waves on the Earth's delta-surface is discussed in a reference frame propagation with the zonal phase speed of the wave. In this reference frame, trajectories and streamlines coincide; the propagation of Rossby waves has a different interpretation than in a reference frame fixed on the ground; and the mechanism for the propagation of Rossby waves depends not only on the different positions of the wave relative to the basic current, but also the variation of beta with latitude (called the delta-effect).
引用
收藏
页码:412 / 416
页数:5
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