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tropics

View from the International Space Station of lightning in Tropical Cyclone Bansi as it travels over the Indian Ocean in 2015.
Posted inScience Updates

Monitoring Tropical Cyclones with Lightning and Satellite Data

by N. N. Solorzano, J. N. Thomas and C. Bracy 19 February 201831 March 2023

A new storm-following tool continually watches for lightning over the open ocean. Combined with satellite microwave data, the new real-time observations will improve forecasts of tropical cyclones.

Researchers reassess how water circulates between ocean and land
Posted inResearch Spotlights

Rethinking How Water Circulates Between the Oceans and Land

by Terri Cook 11 January 201813 February 2023

A reexamination of the global water cycle shows that tropical coastlines exert a profound influence on atmospheric water circulation by wringing water vapor from the atmosphere.

Researchers study a tree’s roots
Posted inNews

Major Federal Tropical Research Project to Cease 7 Years Early

by G. Popkin 11 December 201720 March 2023

The Department of Energy shutters a project aimed at improving climate models less than halfway through the expected decade-long run.

Posted inEditors' Highlights

Is Global Warming Suppressing Canonical El Niño?

by Kristopher B. Karnauskas 16 November 201714 February 2023

A study explores the relationship between diverse El Niño events and the background state of the tropical Pacific.

Posted inAGU News

Karnauskas Receives 2017 Ocean Sciences Early Career Award

by AGU 1 November 201718 April 2023

Kristopher B. Karnauskas will receive the 2017 Ocean Sciences Early Career Award at the 2017 American Geophysical Union Fall Meeting, to be held 11–15 December in New Orleans, La. The award recognizes “significant contributions to and promise in the ocean sciences.”

Posted inNews

Panama Study: Tallest Tropical Trees Died Mostly from Lightning

Katherine Kornei, Science Writer by Katherine Kornei 30 August 201714 February 2023

On Barro Colorado Island in the Panama Canal, scientists map lightning strikes and find that they kill mainly the loftiest trees, likely disturbing the forest ecology.

An earthworm moves over damp soil.
Posted inResearch Spotlights

Follow Earthworm Tracks to Better Simulate Water Flow in Soils

Sarah Stanley, Science Writer by Sarah Stanley 1 August 20176 February 2023

Incorporating paths carved by the critters and by tree roots helps scientists align simulations of tropical soils more closely with real-world data.

Researchers assess the role of clouds in the behavior of the Madden-Julian Oscillation
Posted inResearch Spotlights

What Makes the Biggest Cycle in Tropical Weather Tick?

by Mark Zastrow 21 June 201713 February 2023

The Madden-Julian Oscillation drives storms across the Indian and Pacific oceans every 30 to 60 days. New research suggests that clouds absorbing and reemitting radiative energy play a key role.

A new study examines how El Niño impacted fish populations off the coast of Mexico.
Posted inResearch Spotlights

How "Godzilla" El Niño Affected Tropical Fish in Low-Oxygen Zone

by E. Underwood 13 April 201718 March 2022

A warm period unexpectedly boosted some species of fish larvae off the coast of Mexico.

Posted inResearch Spotlights

Earth's Carbon-Climate Feedbacks Varied in Past Warming Episodes

by Terri Cook 29 November 201626 January 2023

Records from drill holes in the eastern equatorial Pacific indicate that Earth's orbital eccentricity played an important role in controlling climate as the planet warmed.

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