La Ni-na
Definition
- Proper Noun:
- La Niña: A complex oceanic and atmospheric phenomenon characterized by the large-scale cooling of sea surface temperatures in the central and eastern equatorial Pacific Ocean. It is the opposite phase of the El Niño-Southern Oscillation (ENSO) cycle and typically influences global weather patterns, often leading to increased rainfall and storm activity in some regions and drought in others.
Usage Examples
- Proper Noun:
- Hiện tượng La Ni-na có thể gây ra mưa lớn ở khu vực Đông Nam Á. (The La Niña phenomenon can cause heavy rainfall in the Southeast Asia region.)
- Các nhà khoa học dự báo La Ni-na sẽ kéo dài trong sáu tháng. (Scientists forecast that La Niña will last for six months.)
- Mùa bão năm nay mạnh hơn do ảnh hưởng của La Ni-na. (This year's hurricane season is stronger due to the influence of La Niña.)
Advanced Usage
"La Niña event": A specific occurrence or episode of the La Niña phenomenon.
- La Niña event này được đánh giá là có cường độ trung bình. (This La Niña event is assessed to be of moderate intensity.)
"La Niña conditions": The specific oceanic and atmospheric states that define the phenomenon.
- La Niña conditions are favorable for the development of tropical cyclones in the Atlantic basin.
Variants and Related Words
- ENSO (El Niño-Southern Oscillation) (n): The complete climate cycle that includes both El Niño (warm phase) and La Niña (cool phase).
- El Niño (n): The opposite, warm phase of the ENSO cycle, characterized by warmer-than-average Pacific Ocean temperatures.
Synonyms
- Cool phase (of ENSO): Descriptive term for La Niña within the context of the broader climate cycle.
- Anti-El Niño: An informal term sometimes used to describe La Niña.
Related Terms and Context
Teleconnections: The climate anomalies and weather pattern changes in distant parts of the globe linked to La Niña.
- La Niña teleconnections often bring colder winters to parts of North America.
Southern Oscillation Index (SOI) (n): A key atmospheric pressure index used to monitor and define ENSO phases, including La Niña. A sustained positive SOI is associated with La Niña conditions.