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paleoclimatology & paleoceanography

Deep drilling in the Atacama Desert in 2017
Posted inNews

Atacama’s Past Rainfall Followed Pacific Sea Temperature

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 23 April 20194 April 2023

This is the first paleoclimate record of precipitation near Atacama’s hyperarid core and suggests that its moisture source is different from that of the Andes.

Posted inEditors' Vox

A Tribute to Wally Broecker

by S. Barker 22 April 201912 January 2022

An editor of Paleoceanography and Paleoclimatology shares fond memories of his postdoc with Wally Broecker, who died in February.

The Glomar Challenger deep-sea drilling vessel
Posted inResearch Spotlights

Late Cretaceous Extreme Warmth at High Southern Latitudes

by Terri Cook 22 April 2019

New proxy data indicate sea surface temperatures at high southern latitudes reached over 35°C during a period of extreme greenhouse climate that began about 100 million years ago.

Scientists point out red Saharan dust in a sediment core drilled from the Atlantic Ocean floor off West Africa.
Posted inNews

Podcast: When the Sahara Was Green

Liza Lester, staff writer by L. Lester 16 April 20196 March 2026

Past climate change likely motivated human migrations.

Aerial view of the Grand Canyon
Posted inNews

Did Global Glaciation Cause the Great Unconformity?

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 9 April 201917 February 2023

In a new study, researchers make the case that large-scale glaciation during parts of the Neoproterozoic era led to extensive erosion of Earth’s crust.

Antarctic sea ice
Posted inScience Updates

Understanding Past Changes in Southern Ocean Sea Ice

by M. Patterson, R. Rhodes and C. Allen 8 April 201917 August 2022

C-SIDE Workshop; Vancouver, British Columbia, Canada, 24–26 October 2018

A horizon on the ocean
Posted inNews

Ice Drove Past Indo-Pacific Climate Variance

Sarah Derouin, Science Writer by Sarah Derouin 2 April 20192 March 2023

Researchers used both terrestrial and marine proxy data to reconstruct the dramatic and dynamic climatic changes.

A photomicrograph of ten species of foraminiferans.
Posted inAGU News

How Did We Get Here?

Heather Goss, AGU Publisher by Heather Goss 1 April 201915 April 2022

With a discovery made from fossils in the seabed, paleoceanographers and paleoclimatologists began tracing the delicate path between ancient eras and our future.

Jezero Crater River Delta on Mars
Posted inNews

What Ancient Rivers on Mars Reveal About Its “Great Drying”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 March 201923 February 2023

Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.

eastern-mediterranean-map
Posted inNews

Ancient River Discovery Confirms Mediterranean Nearly Dried Up in the Miocene

Mara Johnson-Groh, Science Writer by Mara Johnson-Groh 25 March 201931 May 2023

Sedimentary deposits reveal a Nile-sized river system flowing from what are today Turkey and Syria.

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Features from AGU Publications

Research Spotlights

Patterned Frozen Soils Get Their Shape from Gravity and Funky Physics

9 July 20269 July 2026
Editors' Highlights

A Satellite-Based Global Carbon Flux Product is Sensitive to Droughts 

8 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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