Created by. stonethecrows555. In comparison to the global average, the climate in the Baltic Sea region, including in Estonia, has warmed particularly fast. This movement of air is caused by heat differentiation, meaning that the sun heats the earth unevenly, with the Equator receiving the most concentrated dose of heat. Global Atmospheric Circulation describes how air moves across the planet in a specific pattern. This is because the UK is located close to the boundary of cold polar air moving for from the north and warm sub-tropical air moving up from the south. Air flow for no rotation and no water on a planet. STUDY. This pattern, called atmospheric circulation, is caused because the Sun heats the Earth more at the equator than at the poles. Even with disruptions like weather fronts and storms, there is a consistent pattern to how air moves around our planet’s atmosphere. Explain how the global atmospheric system affects the weather and climate of the UK using key terminology. Global Atmospheric Circulation. change in air pressure with distance. Global Circulations explain how air and storm systems travel over the Earth's surface. Test. Learn. In the tropics, near the equator, warm air rises. PLAY. Flashcards. It's also affected by the spin of the Earth. The first attempt to explain the global atmospheric circulation was based on a simple convectional concept. Explain how global atmospheric circulation affects weather; Lesson steps. In 1686 Halley associated the easterly trade winds with low-level convergence on the equatorial belt of greatest heating (i.e. (6 marks) It is often cloudy and wet in the UK. It is essential that first an explanation or description of what global patterns of atmospheric heating and circulation is provided. From synoptic climatology’s point of view, a question can be posed: is this warming caused by changes in the frequency of particular circulation types or has warmer weather started accompanying these types? Spell. Atmospheric circulation, any atmospheric flow used to refer to the general circulation of the Earth and regional movements of air around areas of high and low pressure.On average, this circulation corresponds to large-scale wind systems arranged in several east–west belts that encircle the Earth. This difference in solar input generates major global patterns of atmospheric circulation: air that is strongly heated at the equator has the greatest tendency to rise. anticyclone. I have provided this lesson plus worksheet to help simply the physical processes involved for the middle ability and lower ability pupils. the thermal equator).These flows are compensated at high levels by return flows aloft. It is the way in which heat is redistributed around the globe. The global circulation would be simple (and the weather boring) if the Earth did not rotate, the rotation was not tilted relative to the sun, and had no water. Write. Then, share the learning outcomes for the lesson. Match. 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