क्षोभमण्डल

thumb|upright=1.5|A picture of Earth's troposphere with its different cloud types of low to [[high altitudes casting shadows. Sunlight is reflected off the ocean, after it was filtered into a reddish light by passing through much of the troposphere at sunset. The above lying stratosphere can be seen at the horizon as a band of its characteristic glow of blue scattered sunlight.]] thumb|right|upright=1.35|Atmospheric circulation: the three-cell model of the Atmospheric circulation|circulation of the planetary atmosphere of the Earth, of which the troposphere is the lowest layer.