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4 Cards in this Set
- Front
- Back
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Normal year |
- trade wind's move warm surface water towards Australia - cold water wells up along West coast of S.America - means rain over coastal Australia low air pressure and SE Asia and dry in western s.America high air pressure |
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EL nino |
- High air pressure in Australia- trade winds disrputed warm water flows eastwards suppressing cold water meaning doubts and bush fires in Australia -Effects agriculture , black Saturday in 2006 were bush fires in Victoria Australia led to 100+ killed - El nino 2015 huge forest fires in Indonesia, damaged many industries - can have knock on effects e.g 1948 El nino overheating killed 2000 elderly and young in Europe |
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El nino continued |
-Low pressure in S.America , floods - Peru and Chile , have lost a total of $700b mainly from fishing Industry due to El nino Cause no nutrients meaning no fish - high rainfall kills crops like potatoes - increased flood risks in coastal areas in Lima - Chile Town of Valparaiso grapes died , wine Industry affected die to high rainfall and landslides |
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La Nina |
- stronger trade winds - storm clouds intensified causing floods in Australia - S.America , cold waters can't evaporate due to extreme dry conditions- droughts |
