change in air pressure with distance. Match. 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. It is the way in which heat is redistributed around the globe. 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. 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. Terms in this set (49) wind. PLAY. It is essential that first an explanation or description of what global patterns of atmospheric heating and circulation is provided. Gravity. Explain how global atmospheric circulation affects weather; Lesson steps. (6 marks) It is often cloudy and wet in the UK. Learn. I have provided this lesson plus worksheet to help simply the physical processes involved for the middle ability and lower ability pupils. Air flow for no rotation and no water on a planet. Atmospheric circulation is the large-scale movement of air by which heat is distributed on the surface of the Earth. Global Atmospheric Circulation. Global Atmospheric Circulation describes how air moves across the planet in a specific pattern. 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. Spell. 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? Global Circulations explain how air and storm systems travel over the Earth's surface. This pattern, called atmospheric circulation, is caused because the Sun heats the Earth more at the equator than at the poles. Explain how the global atmospheric system affects the weather and climate of the UK using key terminology. stonethecrows555. Then, share the learning outcomes for the lesson. It's also affected by the spin of the Earth. air pressure gradient. In the tropics, near the equator, warm air rises. Created by. 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. the thermal equator).These flows are compensated at high levels by return flows aloft. anticyclone. Getting across the mechanisms involved in global atmospheric circulation, the heating effect of the equator plus the spinning effect, can be a tricky ! STUDY. Test. the local movement if air measured relative to Earth's surface. Flashcards. 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