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Global circulation diagram

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The global circulation can be described as the world-wide system of winds by which the necessary transport of heat from tropical to polar latitudes is accomplished. 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. The accompanying diagram (Figure 1) will show how variations in temperature cause updrafts, downdrafts, surface winds and upper air winds. It is important to know that some additional factors are critical in understanding the circulation of air in our atmosphere.

The polar ocean and glacial cycles in atmospheric CO2

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. It flows from High to Low in each cell, transferring heat energy as it moves.

Global circulation diagram

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The illustration below portrays the global wind belts, three in each hemisphere. Note that the U.S. lies primarily in the Westerly Wind Belt with prevailing winds from the west. Each of these wind belts represents a "cell" that circulates air through the atmosphere from the surface to high altitudes and back again. Even with disruptions like weather fronts and storms, there is a consistent pattern to how air moves around our planet’s atmosphere.

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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In Global Atmospheric Circulation describes how air moves across the planet in a specific pattern. The Earth is surrounded by a thin layer of air called the atmosphere. The air in the atmosphere moves in response to differences in temperature at the equator (warm) and the poles (cold). Even with disruptions like weather fronts and storms, there is a consistent pattern to how air moves around our planet’s atmosphere.

1. How much air is involved in a convection current above a pot? Circle the letter below that best corresponds   atmospheric circulation is a response to differences in insolation between low and high a global pattern of surface winds and pressure belts results from this circulation Based on a diagram from “Core Themes in Geography”, by Bro Pressure Gradient Force. ▫ ???
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ENLIGHTENING GLOBAL DIMMING AND BRIGHTENING

It is important to know that some additional factors are critical in understanding the circulation of air in our atmosphere. They will be covered in this chapter as well. 2 Figure 7p-1: Simplified one-cell global air circulation patterns. As described in the diagram above, surface air flow is from the poles to the equator.


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This pattern, called atmospheric circulation, is caused because the Sun heats the Earth more at the equator than at the poles. A recurring theme within the #geographyteacher community on Twitter is about how to teach the global atmospheric circulation model. The model seems to strike fear into the hearts of teacher, and students, alike. I confess, I felt exactly the same the first time I taught it.