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- Title
Intensified eastward and northward propagation of tropical intraseasonal oscillation over the equatorial Indian Ocean in a global warming scenario.
- Authors
Yang, Jing; Bao, Qing; Wang, Xiaocong
- Abstract
Northward propagation in summer and eastward propagation in winter are two distinguished features of tropical intraseasonal oscillation (TISO) over the equatorial Indian Ocean. According to numerical modeling results, under a global warming scenario, both propagations were intensified. The enhanced northward propagation in summer can be attributed to the enhanced atmosphere-ocean interaction and the strengthened mean southerly wind; and the intensified eastward propagation in winter is associated with the enhanced convection-wind coupling process and the strengthened equatorial Kevin wave. Future changes of TISO propagations need to be explored in more climate models.
- Subjects
TROPICS; INDIAN Ocean; MADDEN-Julian oscillation; GLOBAL warming; NUMERICAL analysis; SUMMER; ATMOSPHERIC models
- Publication
Advances in Atmospheric Sciences, 2013, Vol 30, Issue 1, p167
- ISSN
0256-1530
- Publication type
Article
- DOI
10.1007/s00376-012-1260-3