Relationship between QBOs of stratospheric winds, ENSO variability and other atmospheric parameters

Relationship between QBOs of stratospheric winds, ENSO variability and other atmospheric parameters
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平流层风QBO、ENSO变率和其他大气参数之间的关系

DOI:
10.1002/joc.3370120503
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发表时间:
1992
期刊:
International Journal of Climatology
影响因子:
--
通讯作者:
R. P. Kane
R. P. Kane
中科院分区:
--
文献类型:
--
作者:
R. P. Kane

文献摘要

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50毫巴的热带纬向风有一个占优势的准两年振荡(QBO)模式的平均周期约为。对南方涛动、塔希提岛减达尔文(T-D)、海表温度(SST)和赤道降水指数而言,QBO不是最强的模态。第3.6章和六年更强。这些和其他参数(例如地面风和对流层上下层的风以及北极平流层冬季温度)的QBO模式非常不规则,振幅,相位,有时甚至周期随时间变化很大。看来这些与50毫巴纬向风QBO关系不大,可能有完全不同的起源。
The 50-mbar tropical zonal wind has a predominent quasi-biennial oscillation (QBO) mode of an average period of ca. 28 months, with variation in the range 21–33 months and amplitudes varying within ± 20 per cent. For the Southern Oscillation, Tahiti minus Darwin (T-D), sea-surface temperature (SST) and equatorial rainfall indices, QBO is not the strongest mode. Periods of 3.6 and ca. 6 years are stronger. The QBO modes for these and other parameters (e.g. surface winds and winds in upper and lower troposphere and stratospheric winter temperature at the North Pole) are very irregular, with amplitudes, phases, and sometimes even period having large changes with time. It seems that these have little relationship with the 50-mbar zonal wind QBO and may have altogether different origins.