Abstract
The global atmosphere can be considered as a thermal engine in which the air masses are transported due to different thermal potentials. This thermal engine is powered by the sun. Water is the most important energy carrier in the atmosphere since it exists in the atmosphere in all the three states: vapour, droplets and ice. So, its latent heat when changing the state of aggregate from one phase to another is the dominant influence on the weather. The earth is a sphere, so getting from the equator closer to the poles the total irradiation by the sun declines more and more. Consequently, there is excess energy in the atmosphere in the equatorial zones and a deficit in the area of the poles. To equalize this imbalance, heat is transported by the air flow from the equator to the southern and northern hemisphere. This is done by the air mass exchange of the global wind systems.
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Gasch, R., Twele, J. (2012). The wind. In: Gasch, R., Twele, J. (eds) Wind Power Plants. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22938-1_4
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DOI: https://doi.org/10.1007/978-3-642-22938-1_4
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