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Pangaea

During the Mesozoic, the fragmentation of Pangaea contributed to long-term climate trends.
Posted inResearch Spotlights

Simulating 195 Million Years of Global Climate in the Mesozoic

by Jack Lee 30 July 20217 October 2021

An ensemble of climate simulations identifies factors that drove long-term trends of a prehistoric greenhouse climate.

Image of a long-necked dinosaur with trees in the background.
Posted inNews

A Dip in Atmospheric Carbon May Have Facilitated Dinosaur Dispersal

Katherine Kornei, Science Writer by Katherine Kornei 23 March 20212 September 2022

Herbivorous dinosaurs migrated north across Pangea beginning about 214 million years ago, coincident with a downturn in atmospheric carbon dioxide levels.

A 3D computer illustration of Hesperosuchus, an extinct genus of crocodylomorph reptiles
Posted inNews

A Little-Known Mass Extinction and the “Dawn of the Modern World”

by S. Norris 9 November 202027 October 2022

Volcanic eruptions in what is now western Canada may have triggered a million years of rain and a mass extinction that launched the reign of the dinosaurs.

A view along the Atlantic coastline of South Africa showing hillslopes descending to the beach and ocean
Posted inResearch Spotlights

Ancient Sea Levels in South Africa May Offer Modern Analogues

Aaron Sidder, freelance science writer by Aaron Sidder 14 July 202026 January 2023

Largely spared from disruptive tectonic activity, the South African coastline offers a natural setting to study sea levels from when Earth’s atmospheric carbon dioxide last reached today’s levels.

Muscovite in polarized light
Posted inNews

Ancient Precipitation Reveals Clues About Mountains and Climate

Katherine Kornei, Science Writer by Katherine Kornei 17 September 20192 March 2023

By studying the chemical signatures of 300-million-year-old precipitation, researchers find evidence that the supercontinent Pangea contained peaks as tall as the European Alps.

A delta channel from a large ancient delta extends into the Barents Sea
Posted inNews

Largest Delta Plain in Earth’s History Discovered in Arctic

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 April 201919 September 2023

If this Triassic period delta existed today, its footprint would equal about 1% of all land on Earth.

Modern continents mapped onto Pangaea.
Posted inNews

Paleomagnetic Data Hint at Link from Earth’s Core to Continents

Bas den Hond, Science Writer by Bas den Hond 15 June 20177 October 2021

Earth’s magnetic field waxes and wanes as supercontinents form and break up, suggests a new study postulating a direct connection between our planet’s crust and its core.

Posted inResearch Spotlights

Mountain Ranges Hold New Clues to Pangaea’s Formation

by C. Schultz 7 October 201417 February 2023

A new tectonic history of the Allegeny-Variscan range.

Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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