El nino Flashcards

1
Q

1 what direction does easterly Trade winds blow

A

East to west

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2
Q

1.2 what happens the easterly trade winds and what direction

A

The easterly trade winds blow from east to west WEAKEN and CHANGE DIRECTION => west to east

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3
Q

2 what is at the east coast of South America

A

A warm body of water stays on east coast of south America

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4
Q

What two countries are involved

A

South America and Indonesia

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5
Q

3 what is it called when less cold water upwelling happens at South America

A

Humboldt current

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6
Q

3 what is the thermocline

A

The layer of surface warm water in the ocean

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7
Q

3.2 what happens the waters at and beside South America

A

Less cold water upwelling happens at SA (HUMBOLT CURRENT stops) whilst the THERMOCLINE deepens beside SA (layer of surface warm water in the ocean

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8
Q

4 what stops after the humbolt current stops and thermocline deepens at SA

A

The walker circulation stops

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9
Q

5 what air is involved and what weather does SA expect

A

WARM air at coast of SA rises, cools, condenses and gives unexpected rain over west side of SA

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10
Q

5.2 what air is involved and what weather does Indonesia expect

A

Whilst COLD, dry air descends over Indonesia, giving unexpected DRY conditions

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