التفاصيل البيبلوغرافية
| العنوان: |
A diagnostic study on the relationship between the assembling of low frequency waves in the pacific ocean and the abnormality of the subtropical high. |
| المؤلفون: |
Jianwen, Zhang, Shihua, Yu |
| المصدر: |
Advances in Atmospheric Sciences; Jun1998, Vol. 15 Issue 2, p247-257, 11p |
| مستخلص: |
By use of the filter analysis technique, the Complex Empirical Othogonal Function (CEOF) method and the ECMWF/WMO 2.5° × 2.5° grid data of the geopotential heights during the summer months in 1988, an interseasonal process that the western Pacific subtropical high (WPSH) was anomalously far to the north in the first and second ten days of July is studied. It has been found that in the western Pacific subtropical region in the first and second ten days of July, it is the continuous assembly of low frequency geopotential waves (LFGWs) that leads to the abnormality of WPSH. This abnormality emerges with the enhancement of wave assembling and ceases while the wave assembling situation disappears. The structure of the low frequency assembling waves corresponds to the structure of subtropical high in its abnormal period. The effect of the assembling waves on the abnormality of subtropical high can be considered as the accumulation of disturbance energy carried by the low frequency waves from different directions in the western Pacific region. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
