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Title: Global warming and solar anomaly
Authors: Chakrabarty, D K
Peshin, S K
Keywords: Global temperature;Deep ocean heat content;Sunspot number;Total solar irradiance;Total ozone
Issue Date: Dec-2013
Publisher: NISCAIR-CSIR, India
PACS No.: 96.60.qd; 96.60.Ub; 92.70.Mn; 92.70.Qr
Abstract: During 2002-2008, there was no increase in global temperature, though green house gas concentrations had increased. Sun is the ultimate source of energy. It has been, therefore, examined if there was any anomaly in the solar characteristics during this period. The sunspot number data has been used for this purpose. This parameter has an 11-year solar activity cycle and the same is found in the global temperature. But the trend in sun’s output, after removing solar activity effect, does not match with the long term trend of global temperature. Peculiarities in the duration and in the peak value of solar cycle 23 were identified which might have portended the increase of global temperature during 2002-2008. The possibility of the pause of increase in temperature could also be that the heat generated due to the increase in the greenhouse gas concentration was absorbed in deep ocean layer.
Page(s): 391-396
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.42(6) [December 2013]

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