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ENSO

Aerial image of a spiral storm over the southern United States
Posted inNews

A New Approach to an Unresolved Mystery in Climate Economics

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 2 September 202226 October 2022

Do shifts in temperature have enduring economic impacts? A “clever” trick identifying climate trends gets us one step closer to addressing this long-standing question in climate economics.

An image of a partially submerged house, powerline pole, and foliage in a flooded neighborhood in Asunción, Paraguay
Posted inNews

More Frequent El Niño Events Predicted by 2040

Rachel Fritts, Science Writer by Rachel Fritts 20 April 20221 December 2022

Cutting-edge models predict that El Niño frequency will increase within 2 decades because of climate change, regardless of emissions mitigation efforts.

Figure 4 from the paper
Posted inEditors' Highlights

El Niño-Southern Oscillation and Radiation Two-Way Coupling

by Suzana Camargo 9 February 20221 August 2022

Changes in sea surface temperature during ENSO events and radiation are related, suggesting a two-way coupling between sea surface temperature and radiation in coupled climate variability.

A coast of the Galapagos Islands in the eastern tropical Pacific
Posted inNews

Tropical Climate Change Is a Puzzle—Could Aerosols Be a Piece?

by Andrew Chapman 9 September 202114 April 2022

The eastern tropical Pacific Ocean hasn’t warmed as much as climate change models projected. A new study shows that aerosols in the atmosphere could be responsible.

The heat surface of El Niño in 2015 looks like El Niño in 1997.
Posted inResearch Spotlights

Explaining Thermal Tides in the Upper Atmosphere During the 2015 El Niño

by David Shultz 26 August 202116 March 2023

Increased tropospheric heating and reduced dissipation combine to explain an anomalously large thermal tide.

Green shoots rise from dry, cracked soil.
Posted inFeatures

Climate Change Uproots Global Agriculture

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 January 202130 September 2022

Climate change is shifting where ideal growing conditions exist and is leaving farmers behind. How can we secure our future food supply and support the people who grow it?

A farmer in New South Wales, Australia, stood beside an animal carcass during a drought caused by the 2018–2019 El Niño
Posted inEditors' Vox

Advancing Knowledge of ENSO in a Changing Climate

by M. J. McPhaden, A. Santoso and W. Cai 9 November 202022 March 2023

A new book highlights research progress on El Niño Southern Oscillation dynamics and impacts and how they may change in a warmer world.

A view of corals just below the ocean surface off American Samoa
Posted inResearch Spotlights

Corals Make Reliable Recorders of El Niño Fluctuations

by Terri Cook 24 July 202029 September 2021

A new tool that reconciles modeling and paleoclimate data builds confidence that tropical Pacific corals reliably archive natural variability in the El Niño–Southern Oscillation climate pattern.

The mushroom cloud of the Frigate Bird nuclear test seen through an aircraft periscope
Posted inNews

Una Guerra Nuclear Podría Generar un “Niño Nuclear”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 30 April 202025 March 2024

Una sacudida al sistema climático provista por una guerra nuclear podría provocar un fenómeno de el Niño como nunca habíamos visto.

Diagram and chart showing characteristics of the North Equatorial Current Bifurcation
Posted inEditors' Highlights

Different El Niño, Different Paths of North Equatorial Current

by Lei Zhou 6 April 202016 December 2021

Different types of El Niño have different impacts on the North Equatorial Current Bifurcation and can be extended to ocean circulations in the Pacific and the global climate system.

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Features from AGU Publications

Research Spotlights

On the Origins of Subantarctic Mode Waters

2 June 20252 June 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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