Dynamics of the seasonal variations in the Indian Ocean from TOPEX/POSEIDON sea surface height and an ocean model

被引：37

作者：

Yang, JY ^{[1
]}

Yu, LS

Koblinsky, CJ

Adamec, D

机构：

[1] Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA

[2] Univ Maryland, Joint Ctr Earth Syst Sci, College Pk, MD 20742 USA

[3] Univ Maryland, Dept Meteorol, College Pk, MD 20742 USA

[4] NASA, Goddard Space Flight Ctr, Oceans & Ice Branch, Greenbelt, MD 20771 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 1998年 / 25卷 / 11期

关键词：

D O I：

10.1029/98GL01401

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Observations from the TOPEX/POSEIDON (T/P) altimeter reveal that the sea level in the Indian Ocean varies strongly with season. Surface undulations propagate eastward along the equator and westward outside the equatorial waveguide. The forcing mechanisms responsible for such variations are investigated in this paper by analyzing T/P data and surface wind-stress forcing, and by using a nonlinear, 2.5-layer, reduced gravity model. Both the data and the model show that Kelvin and Rossby waves forced by the Indian Ocean monsoon are primarily responsible for the seasonal sea-level change in the tropical and the subtropical Indian Ocean.

引用

页码：1915 / 1918

页数：4

共 50 条

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