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El Niño - 27: La Niña - 25: Weak - 11: Moderate - 7: Strong - 6: Very Strong - 3: Weak - 12: Moderate - 6: Strong - 7: 1952-53: 1951-52: 1957-58: 1982-83: 1954-55: 1955-56: 1973-74: 1953-54: 1963-64: 1965-66: 1997-98: 1964-65: 1970-71: 1975-76: 1958-59: 1968-69: 1972-73: 2015-16: 1971-72: 1995-96: 1988-89: 1969-70: 1986-87: 1987-88 : 1974-75: ...
19 de oct. de 2023 · El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern tropical Pacific Ocean. El Niño is the “warm phase” of a larger phenomenon called the El Niño-Southern Oscillation (ENSO). La Niña, the “cool phase” of ENSO, is a pattern that describes the unusual cooling of the region’s surface waters.
Definition and terminology. Southern Oscillation Index timeseries from 1876 to 2024. The Southern Oscillation is the atmospheric component of El Niño. This component is an oscillation in surface air pressure between the tropical eastern and the western Pacific Ocean waters.
25 de abr. de 2024 · El Niño, in oceanography and climatology, the anomalous appearance, every few years, of unusually warm ocean conditions along the tropical west coast of South America. This event is associated with adverse effects on fishing, agriculture, and local weather from Ecuador to Chile and with far-field.
9 de may. de 2024 · El Niño and La Niña are the warm and cool phases of a recurring climate pattern across the tropical Pacific—the El Niño-Southern Oscillation, or “ENSO” for short. The pattern shifts back and forth irregularly every two to seven years, bringing predictable shifts in ocean surface temperature and disrupting the wind and ...
The Human History of El Niño. El Niño was identified and named long before science caught up with the phenomenon. For centuries, Peruvian fishermen reaped a bounty off the Pacific coast of South America, where north- and west-flowing currents pulled cool, nutrient-rich water from the deep.
Note the major La Niña in 1988-1999, and major El Niños in 1996-1997 and 2015-2016. Years are marked on the left side, with 1986 at the top and the latest year at the bottom. Both panels show sea surface temperature along the equator in Pacific Ocean, with Indonesia on the left (west) and South America on the right (east).
