El Niño and La Niña
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21 Terms
El Niño
Opposite of normal conditions
La Niña
Enhanced version of normal conditions
Normal Conditions
Current and wind flow are from East to West
El Niño
Current and wind flow are West to East
Normal Conditions
East to West
El Niño
West to East
Normal Conditions
Easterly winds
El Niño
Westerlies
Normal Conditions
Warm Currents
Normal Conditions and La Niña
Upwelling Occurs
La Niña
Best economical and ecological advantage due to strongest upwelling
El Niño
Warm water is driven to the coast of South America, suppressing the food chain associated with the nutrient-rich upwelling.
El Niño
Fish are no longer supported by the food chain
La Niña
Floods and droughts more prevalent in most areas, which will affect economies such as agriculture
La Niña
North America will be warmer
El Niño
North America will be colder and drier
El Niño
Produces more hurricanes in the Pacific due to less vertical wind shear. Pacific will be warm and wet
La Niña
Pacific will have fewer hurricanes due to stronger vertical wind shear. Cool and Dry
La Niña
AUS receives a warmer climate off the coast of Australia
El Niño
Water temperature increases above average, DO decreases, hurting population.
El Niño
Regions such as tropical rainforests will have less rain, which means a loss in primary producers and therefore, a loss in biodiversity.
Note 
Flashcards (36)