Is the Sun affects our climate?

. International Journal of Research and Innovation in Applied Science (IJRIAS) 1 (1): 22-27 (April 2016)


The Earth is at a distance of 150 million kilometres from the Sun and still the radiation emitted by the Sun drives the Earth’s climate system. Variations in the composition and intensity of incident solar radiation hitting the Earth may produce changes in global and regional climate which are both different and additional to those from man-made climate change. In the current epoch, solar variation impacts on regional climate appear to be quite significant. Annual or decadal variations in solar activity are correlated with sunspot activity. Sunspot numbers have been observed and recorded over hundreds of years. From a global perspective the processes through which changes in incident solar radiation affect the temperature of the Earth’s atmosphere, and the climate at the surface, are fairly understood. The response of climate on regional scales to changes in the composition and intensity of incident solar radiation is more complex. Understanding the role of variability in solar activity is essential for the interpretation of past climate and prediction of the future. An effort is made to understand the change in atmospheric conditions through boundary studies of all the meteorological parameters with incoming solar radiation and outgoing long wave radiation.

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