Intertropical Convergence Zone 4.0 / 5 based on 1 rating ? GeographyA2/A-levelAQA Created by: Daisy JudgesCreated on: 13-01-13 18:39 At equator, sun warms the Earth which heats ... the air above it 1 of 22 Causing it to rise and rising air creates ... low pressure, clouds and rain 2 of 22 The low pressure zone created it called the ... Intertropical Convergence Zone (ITCZ) 3 of 22 As air rises it moves out to ... 30 degrees north and south of equator 4 of 22 The cool air sinks creating ... high pressure 5 of 22 and BLANK are found here ... Sub tropical jet streams 6 of 22 Cool air reaches ground surface and ... moves as surface winds back towards to the equator or the poles 7 of 22 Trade winds are ... surface winds blowing towards the equator 8 of 22 Trade winds blow ... from SE in southern hemisphere and NE in northern hemisphere 9 of 22 At the equator, trade winds ... converge in the ITCZ 10 of 22 And are heated by ... solar radiation 11 of 22 Causing them to ... rise, condense and form clouds 12 of 22 Westerlies are ... surface winds blowing towards the poles 13 of 22 They blow from ... NW in the southern hemisphere and SW in the northern hemisphere 14 of 22 60 degrees north and south of the equator warmer surface winds meet ... colder air from the poles 15 of 22 The warm air is less ... dense than cold air 16 of 22 The warm air ... rises 17 of 22 And creates ... low pressure 18 of 22 Some air joins the ... Ferrell cell and moves towards the equator 19 of 22 The rest of the air joins the ... Polar cell and moves towards poles 20 of 22 At poles cool air ... sinks creating high pressure 21 of 22 High pressure is drawn back towards the ... equator in surface winds 22 of 22
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