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The global wind and pressure belts are extremely important elements of the Earth's climate system. To a great extent, they determine the geographical pattern of …
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Learn about the three major circulation cells in the atmosphere that move air, heat, and moisture around the globe. The polar easterlies are one of the wind belts that blow from the high-pressure …
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Horse latitude is the name for two subtropical atmospheric high-pressure belts that encircle Earth around latitudes 30°–35° N and 30°–35° S. They produce arid climates and light …
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horse latitude, either of two subtropical atmospheric high-pressure belts that encircle Earth around latitudes 30°–35° N and 30°–35° S and that generate light winds and clear skies. Because they contain dry subsiding air, they produce arid climates in the areas below them. The Sahara, for example, is situated in a horse latitude. The Southern …
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Global Wind Patterns. Global winds blow in belts encircling the planet. The global wind belts are enormous and the winds are relatively steady. These winds are the result of air movement at the bottom of the major atmospheric circulation cells, where the air moves horizontally from high to low pressure.
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Circum-polar Low Pressure Belts. These belts located between 60° and 70° in each hemisphere are known as Circum-polar Low-Pressure Belts. In the Sub-tropical region, the descending air gets divided into two parts. One part blows towards the Equatorial Low-Pressure Belt. The other part blows towards the Circum-polar Low …
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Learn about the global patterns and regional movements of air around areas of high and low pressure, and the zonal wind belts that encircle …
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Pressure Belts of the Earth. The distribution of atmospheric pressure across the latitudes is termed global horizontal distribution of pressure. Its main feature is its …
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Learn about the seven pressure belts on the earth's surface, including the subtropical high-pressure belt that is formed by subsidence of air masses from the equator. Find out how pressure …
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Patterns of some permanence controlling air mass circulation are created by belts of air pressure over five areas. They are the Icelandic low, over the North Atlantic; the Azores high, a high-pressure ridge; the …
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Learn about the three-cell model of atmospheric circulation, the global wind belts, and the effects of pressure and Coriolis on wind patterns. Explore real-time global wind maps …
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Polar High-Pressure Belt. Air compresses, and their density increases due to low temperatures. Hence, high pressure is found at the pole throughout the year. This is more marked over the land area of the …
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This belt of equatorial low pressure causes air to be drawn together in a region called the Intertropical Convergence Zone (ITCZ). The convergence of warm, moist air over the equator transports large volumes of air aloft, to the top of the troposphere. This air is confined vertically by the base of the stratosphere and thus spreads out north ...
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Learn what atmospheric pressure is, how it is measured, and how it affects weather, altitude, and health. Find out the difference between high- and low-pressure …
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Circum-Polar Low-Pressure Belts are belts that run between 60° and 70° in each hemisphere. The descending air in the Subtropical zone is split into two portions. One part of the wind is directed toward the Equatorial Low-Pressure Belt. The remaining half of the wind is directed towards the Circumpolar Low-Pressure Belt.
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The descending air in the subtropical high-pressure belts diverges near the surface; the air that does not flow equatorward tends to flow eastward and poleward as the midlatitude westerlies.The westerly flow is most …
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Climate - Pressure, Wind, Air: Atmospheric pressure and wind are both significant controlling factors of Earth's weather and climate. Although these two physical variables may at first glance appear to be …
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Learn about the factors affecting air pressure, the distribution of atmospheric pressure belts, and the shifting of pressure belts with changing seasons. Explore the concepts …
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This belt of equatorial low pressure causes air to be drawn together in a region called the Intertropical Convergence Zone (ITCZ). The convergence of warm, moist air over the equator transports large volumes of air aloft, to the top of the troposphere. This air is confined vertically by the base of the stratosphere and thus spreads out north ...
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The different air pressure belts can be observed from the Figure 9. Figure 9: ITCZ and Equatorial Low Pressure Belt . The risen air from the equatorial low reaches to the upper troposphere and dragged towards poles. By reaching in the tropics, air descends from 200to 350latitudesin both the hemispheres. It is caused by cooling of the air.
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The Equatorial belt extends from 10° north to 10° south latitude.It is a thermally induced belt because here the temperature remains very high throughout the year due to the vertical sun's rays.The average pressure in this belt is less rhan 1013millibars,but in the eastern hemisphere it is generally less than 1009milibars.there …
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