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Stratospheric processes play a signi?cant role in regulating the weather and c- mate of the Earth system. Solar radiation, which is the primary source of energy for the tropospheric weather systems, is absorbed by ozone when it passes through the stratosphere, thereby modulating the solar-forcing energy reaching into the t- posphere. The concentrations of the radiatively sensitive greenhouse gases present in the lower atmosphere, such as water vapor, carbon dioxide, and ozone, control the radiation balance of the atmosphere by the two-way interaction between the stratosphere and troposphere....

Stratospheric processes play a signi?cant role in regulating the weather and c- mate of the Earth system. Solar radiation, which is the primary source of energy for the tropospheric weather systems, is absorbed by ozone when it passes through the stratosphere, thereby modulating the solar-forcing energy reaching into the t- posphere. The concentrations of the radiatively sensitive greenhouse gases present in the lower atmosphere, such as water vapor, carbon dioxide, and ozone, control the radiation balance of the atmosphere by the two-way interaction between the stratosphere and troposphere....

The lower stratosphere is very much linked dynamically, chemically and radiatively with the upper troposphere, even though the characteristics of these regions are different. We cannot limit our studies in the troposphere, in order to understand monsoon and other weather phenomenon take place in the troposphere. There are very few studies conducted to understand the role of stratosphere in weather and climate. The present study mainly concentrated on the interannual variability of zonal wind, temperature and ozone in the upper troposphere and lower stratosphere in association with Asian...

It is widely acknowledged that the presence of atmospheric aerosols is vital for the initial formation of clouds. The variation in aerosol composition and distribution depends on a complex combination involving primary and secondary sources, transport, dispersion and removal processes. However, the overall influence of aerosols on cloud droplet growth, spatial distribution of clouds and delaying the onset of precipitation is highly uncertain. This uncertainty arises due to the lack of understanding of cloud processes. The main objective of this work is to suggest how variations in...