Question
Download Solution PDFWhat is the name of the cold phase of the ENSO climate pattern that describes the unusual cooling of the surface waters of the region?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is La Nina
Key Points
- La Nina is the cold phase of the ENSO (El Niño-Southern Oscillation) climate pattern.
- It describes the unusual cooling of the surface waters in the central and eastern tropical Pacific Ocean.
- La Nina events typically bring about a variety of weather changes, including increased rainfall in some regions and drought in others.
- This phenomenon is the opposite of El Niño, which is the warm phase of the ENSO climate pattern.
- La Nina can influence global weather patterns and has significant impacts on agriculture, water supply, and hurricane activity.
Additional Information
- The ENSO cycle includes both El Niño and La Nina phases, as well as periods of neutral conditions.
- La Nina events are characterized by stronger-than-average trade winds, which push warm water towards the western Pacific, allowing cold water to upwell in the eastern Pacific.
- The cooling effect of La Nina can last for several months and typically occurs every 2 to 7 years.
- La Nina can also influence the Atlantic hurricane season, often leading to more active hurricane periods.
- Scientists monitor the ENSO cycle using various tools, including satellite observations and ocean buoys, to predict and understand its impacts.
Last updated on Jul 15, 2025
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