
What are El Nino and La Nina? - NOAA's National Ocean Service
El Niño and La Niña are two opposing climate patterns that break these normal conditions. Scientists call these phenomena the El Niño-Southern Oscillation (ENSO) cycle. El Niño and La Niña can both have global impacts on weather, wildfires, ecosystems, and economies.
拉尼娜现象 - 维基百科,自由的百科全书
拉尼娜现象 (西班牙語: La Niña) [1],又稱 反圣婴现象,是一种和 厄尔尼诺现象 相反的现象,即「東太平洋降溫階段」;因此用 西班牙语 中与厄尔尼诺(El Niño)相对应的阴性名词 拉尼娜 (La Niña)来代表。 厄尔尼诺是「男孩」的意思(定冠词专指的男孩,意思是幼年的 耶稣,即“圣婴”),而拉尼娜是“圣女”(女孩)的意思。 与厄尔尼诺现象的 太平洋 中东部 海水温度 变暖相反,拉尼娜现象是太平洋中东部海水异常变冷的情况。 东南 信风 将表面被太阳晒热的海水吹向 …
拉尼娜(海面温度持续异常偏冷的现象)_百度百科
拉尼娜也被称为“反厄尔尼诺”,是指赤道附近东太平洋水温异常下降的现象,表现为东太平洋明显变冷,同时也伴随着全球性气候混乱。 拉尼娜事件总是出现在厄尔尼诺现象之后 [13]。 拉尼娜,是西班牙语“La Niña”——“小女孩,圣女”的意思,是厄尔尼诺现象的反相,也称为“反厄尔尼诺”或“冷事件”,它是指赤道附近东太平洋水温反常下降的一种现象,表现为东太平洋明显变冷,同时也伴随着全球性气候混乱,总是出现在 厄尔尼诺现象 之后。 拉尼娜现象常与厄尔尼诺现象交替 …
January 2025 update: La Niña is here - NOAA Climate.gov
2025年1月9日 · There’s a 59% chance La Niña will persist through February–April, followed by a 60% chance of neutral conditions in March–May. Read on for the recent observations that led us to declare the (long-awaited) onset of La Niña and lots of details for current and potential upcoming conditions.
What is La Niña? | El Nino Theme Page - A comprehensive Resource
El Niño and La Niña are opposite phases of the El Niño-Southern Oscillation (ENSO) cycle, with La Niña sometimes referred to as the cold phase of ENSO and El Niño as the warm phase of ENSO. This graphic shows normal seasonal warming (red), cooling (blue), and El Niño and La Niña events from 1986 to 2016.
What Is La Niña? | NOAA SciJinks – All About Weather
2025年2月20日 · La Niña is a weather pattern that occurs in the Pacific Ocean. In this pattern, strong winds blow warm water at the ocean’s surface from South America to Indonesia. As the warm water moves west, cold water from the deep rises to …
El Niño & La Niña (El Niño-Southern Oscillation) - NOAA …
2025年3月13日 · El Niño and La Niña are the warm and cool phases of a natural climate pattern across the tropical Pacific known as the El Niño-Southern Oscillation, or “ENSO” for short.
El Niño and La Niña - National Oceanic and Atmospheric Administration
2025年2月25日 · El Niño and La Niña are opposite extremes of the ENSO, which refers to cyclical environmental conditions that occur across the Equatorial Pacific Ocean. These changes are due to natural interactions between the ocean and atmosphere. Sea surface temperature, rainfall, air pressure, atmospheric and ocean circulation all influence each other.
El Niño and La Niña: Frequently asked questions
2016年1月18日 · El Niño and La Niña are the warm and cool phases of ENSO (pronounced “en-so”). ENSO is the most influential natural climate pattern on Earth. ENSO swings back and forth every few years. El Niño and La Niña affect both the ocean and the atmosphere. Periods of weaker- or stronger-than-average easterly trade winds initiate El Niño and La Niña.
2020–2023 La Niña event - Wikipedia
La Niña refers to the reduction in the temperature of the ocean surface across the central and eastern equatorial Pacific, accompanied by notable changes in the tropical atmospheric circulation. This includes alterations in wind patterns, pressure, and rainfall.