Global Circulation. Global wind field - January Global wind field - July.

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Transcript of Global Circulation. Global wind field - January Global wind field - July.

Page 1: Global Circulation. Global wind field - January Global wind field - July.

Global Circulation

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Global wind field - January

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Global wind field - July

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Pressure surfaces

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Hadley Cell

Ferrel Cell

Polar Cell

ITCZ

Early model of global circulation. NB There is little evidence for the Polar and Ferrel cells in the real atmosphere

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Hadley cell

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Pressure driven surface winds

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Global Circulation

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ITCZ (Inter Tropical Convergence Zone)

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Tropical Wet Climate

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Desert Climate

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Tropical Wet and Dry

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Rossby Waves

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Tropopause variation with latitude

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Jet stream – wind field and temperatures

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Isotachs and isotherms

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Current circulation model