A Quasi-Stationary Appearance of 30 to 40 Day Period in the Cloudiness Fluctuations during the Summer Monsoon over India
A Quasi-Stationary Appearance of 30 to 40 Day Period in the Cloudiness Fluctuations during the Summer Monsoon over India
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DOI：
10.2151/jmsj1965.58.3_225
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发表时间：
1980
影响因子：
3.1
通讯作者：
T. Yasunari
中科院分区：
文献类型：
--
作者：
T. Yasunari
利用1966 - 1972年的云量资料，证实了印度夏季风季节30 - 40天的准平稳现象，这是最近在1973年的资料中发现的季风波动的主要模态（Yasunari, 1979）。与Yasunari（1979）的结果相同，该模态的波动每年都在印度-印度洋地区向北移动。除了1972年这样的严重干旱年份外，这种周期性似乎每年都会出现。
By using the cloudiness data from 1966 to 1972, a quasi-stationary appearance of 30 to 40 day period was confirmed during the summer monsoon season over India, which is recently found in the data for 1973 as a predominant mode of the monsoon fluctuations (Yasunari, 1979). In the same manner as the result of Yasunari (1979), the fluctuation of this mode shows a northward movement over India-Indian Ocean area in each year. This periodicity seems to appear annually except for the severe drought years such as 1972.