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tropics

Posted inEditors' Highlights

What American Samoan Corals Tell About El Niño’s History

by E. Thomas 26 November 201830 March 2023

Samoan corals record how patterns of warm/cool and more/less salty in the equatorial Pacific changed in space and time over the last 500 years.

Russet-crowed warbler at Pantaicolla Ridge in Peru
Posted inNews

Peruvian Mountain Birds Take an “Escalator to Extinction”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 30 October 20181 March 2023

As the climate warms, tropical birds living in the mountains are retreating to higher elevations to avoid the heat. What happens when they run out of mountain slope to escape to?

Posted inEditors' Highlights

Diurnal Variation of Rainfall over the Equator Revisited

by Minghua Zhang 26 October 20188 March 2022

Radar data show an afternoon precipitation maximum in the equatorial Indian Ocean in addition to the nocturnal maximum; this occurs under light surface winds and suppressed large-scale convection.

Ecologist Maria Uriarte of Columbia University records damage that Hurricane Maria did to trees in Puerto Rico
Posted inNews

Congress Throws Tropical Forest Research Program a Lifeline

by G. Popkin 5 October 201813 March 2023

Climate researchers and ecologists laud the continuation of effort to fuse data from tropical forests with modeling.

Vegetation dynamics in Amazonia
Posted inEditors' Highlights

Seasonal Leaf Production Is Key Control on Amazon Carbon Balance

by G. Vourlitis 12 July 20186 March 2023

Characterizing leaf phenology in process-based models reconciles both “dry season green-up” and drought controls on Amazonian carbon balance.

Madden-Julien oscillation over Southeast Asia
Posted inScience Updates

The Stratosphere and Its Role in Tropical Teleconnections

by S. Osprey, M. Geller and S. Yoden 17 May 201829 March 2022

Joint SPARC Dynamics and Observations Workshop; Kyoto, Japan, 9–14 October 2017

A coral reef in the northern Red Sea has massive Porites colonies that are often used in paleoclimate research.
Posted inScience Updates

Reconstructing Climate and Environment from Coral Archives

by J. Zinke, M. Pfeiffer and T. Felis 9 April 20188 March 2022

Tropical Coral Archives—Reconstructions of Climate and Environment Beyond the Instrumental Record at Society-Relevant Timescales; Bremen, Germany, 28 September 2017

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.

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