It is the way in which heat is redistributed around the globe. Gravity. Global Circulations explain how air and storm systems travel over the Earth's surface. Write. This pattern, called atmospheric circulation, is caused because the Sun heats the Earth more at the equator than at the poles. Created by. Air flow for no rotation and no water on a planet. GCSE geography students often get confused. Learn. anticyclone. 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. change in air pressure with distance. Flashcards. The first attempt to explain the global atmospheric circulation was based on a simple convectional concept. Atmospheric circulation is the large-scale movement of air by which heat is distributed on the surface of the Earth. In the tropics, near the equator, warm air rises. 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? air pressure gradient. Terms in this set (49) wind. the local movement if air measured relative to Earth's surface. (6 marks) It is often cloudy and wet in the UK. In comparison to the global average, the climate in the Baltic Sea region, including in Estonia, has warmed particularly fast. Introduction (5 mins) Set the context of the unit of work and what students will be covering over the eight lessons. STUDY. 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. Getting across the mechanisms involved in global atmospheric circulation, the heating effect of the equator plus the spinning effect, can be a tricky ! 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. Different weather systems (15 mins) It is essential that first an explanation or description of what global patterns of atmospheric heating and circulation is provided. Spell. Global Atmospheric Circulation. the thermal equator).These flows are compensated at high levels by return flows aloft. 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. Test. I have provided this lesson plus worksheet to help simply the physical processes involved for the middle ability and lower ability pupils. Explain how the global atmospheric system affects the weather and climate of the UK using key terminology. 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. Even with disruptions like weather fronts and storms, there is a consistent pattern to how air moves around our planet’s atmosphere. Then, share the learning outcomes for the lesson. PLAY. 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. Match. stonethecrows555. It's also affected by the spin of the Earth. Global Atmospheric Circulation describes how air moves across the planet in a specific pattern. By which heat is distributed on the equatorial belt of greatest heating ( i.e to explain the global circulation! 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