La Niña is a climate pattern that occurs in the Pacific Ocean, characterized by unusually cold ocean temperatures in the central and eastern equatorial Pacific.
Causes of La Niña
Stronger Trade Winds: During La Niña, trade winds blowing from east to west across the Pacific Ocean intensify, pushing warm surface water further westward.
Upwelling: The stronger trade winds also increase upwelling of cold water from the deep ocean along the coast of South America.
Impacts of La Niña
Changes in Weather Patterns: La Niña can bring wetter-than-average conditions to some regions, such as the southern United States, while causing drier conditions in other areas, such as Indonesia and Australia.
Temperature Fluctuations: La Niña can lead to cooler-than-average temperatures in some parts of the world.
Impacts on Marine Ecosystems: Changes in ocean temperatures can disrupt marine ecosystems, affecting fish populations and impacting fisheries.
Socioeconomic Impacts: La Niña can have significant socioeconomic impacts, affecting agriculture, fisheries, and human health.
El Niño and La Niña
El Niño and La Niña are opposite phases of the El Niño-Southern Oscillation (ENSO) cycle.
These climate patterns have significant impacts on global weather and climate.
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