Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/37796
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dc.contributor.authorAhmed, Md. Iqhbal-
dc.contributor.authorRao, B. Ramachandra-
dc.date.accessioned2016-11-29T05:58:32Z-
dc.date.available2016-11-29T05:58:32Z-
dc.date.issued1974-06-
dc.identifier.issn0975-105X (Online); 0367-8393 (Print)-
dc.identifier.urihttp://nopr.niscair.res.in/handle/123456789/37796-
dc.description150-152en_US
dc.description.abstractA study of the characteristics of sudden cosmic noise absorption (SCNA) is made in order to investigate into their variations from IGY to IQSY. The necessary data for the investigation are taken from CRPL-Part B (now NOAA) series as reported by 5 observatories in the American Zone. The entire period of analysis (1958-65) is divided into 3 groups, viz. periods of high, medium and low solar activity, and the optical flares associated with the SCNA are divided into three classes, viz. 1,2 and 3. The analysis reveals that the SCNA size has an increasing tendency with decreasing solar activity. The growth-time associated with class 1 flares is observed to be decreasing with decreasing solar activity, while for the class 2 and class 3 flares the reverse is the case. The time of decay of the SCNA shows a decrease with decrease in the level of solar activity. No systematic latitudinal variation is observed in the case of the size, growth-time and decay-time of the SCNAs.en_US
dc.language.isoen_USen_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJRSP Vol.03(2) [June 1974]en_US
dc.titleStatistical Survey of SCNAs Over Half Solar Cycleen_US
dc.typeArticleen_US
Appears in Collections:IJRSP Vol.03(2) [June 1974]

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