What drives the world’s weather?

The driving force of the world's weather is the sun. The driving force of world weather comes from the uneven regional distribution of solar radiation, which causes atmospheric movements and produces a series of weather phenomena. Almost all solar radiation energy comes from the thermonuclear reaction inside it, and its overall radiation energy distribution is close to the black body radiation around 5800K.

Solar radiant heat controls various biological, chemical and other effects that occur in the atmosphere, hydrosphere, biosphere and lithosphere, and becomes the energy required for external forces such as weathering and erosion on the earth's surface. The depth of influence of radiation energy on the ocean is 150 to 500 meters, while the depth of influence on land is generally only 10-20 meters.

The impact of solar radiation on weather.

In sunny weather, due to the few and thin clouds, the atmosphere's weakening effect on solar radiation is weak, and the solar radiation reaching the ground is strong; in rainy weather, due to thick and numerous clouds, the atmosphere's weakening effect on solar radiation If the effect is strong, the solar radiation reaching the ground will be weak. For example, the equatorial region is controlled by the equatorial low pressure belt and has more convective rain, while the subtropical region is controlled by the subtropical high and has sunny weather, so the solar radiation in the equatorial region is weaker than that in the subtropical region.