|  | 1. | This really isn't clear to me from the article on atmospheric circulation. 
 
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|  | 2. | Some scientists say that abrupt shifts in atmospheric circulation could be responsible. 
 
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|  | 3. | The elevation of the Appalachians would greatly influence global atmospheric circulation. 
 
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|  | 4. | It contributes to the Atmospheric Circulation Reconstructions over the Earth initiative. 
 
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|  | 5. | "It's the dominant form of atmospheric circulation in the tropics here on Earth," 
 
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|  | 6. | Warm air containing evaporated water from the oceans rises, causing atmospheric circulation or convection. 
 
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|  | 7. | Different atmospheric circulation patterns in the Southern Hemisphere may account for this, Karl said. 
 
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|  | 8. | Secondly, atmospheric circulation works in a way to limit the effects of high latitude eruptions. 
 
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|  | 9. | Towards the end of winter in August, there are important changes in the atmospheric circulation. 
 
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|  | 10. | Pollutants from around the world are carried north by rivers, ocean currents and atmospheric circulation. 
 
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