• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

Paleoceanography and Paleoclimatology

Visit the journal.

Vinícius Mendes collects a sediment sample from a former river terrace of the Parnaíba River in Brazil.
Posted inResearch Spotlights

A New Proxy for Past Precipitation

Kate Wheeling, freelance science writer by Kate Wheeling 16 September 201910 February 2023

Researchers used luminescence signals from marine sediment cores to bolster estimates of precipitation levels on land over the past 30,000 years.

Seascape photo with a large iceberg
Posted inResearch Spotlights

New Perspectives on 2,000 Years of North Atlantic Climate Change

Sarah Stanley, Science Writer by Sarah Stanley 20 June 201914 April 2023

A review of recent research advancements takes a deep dive into North Atlantic ocean circulation and its potential role in historical climate shifts.

A research team taking sediment cores on Lake Tanganyika in eastern Africa
Posted inResearch Spotlights

Translating Climate Models to the Language of Paleoclimate Data

Aaron Sidder, freelance science writer by Aaron Sidder 24 May 20194 October 2021

A new model will help climate models better interpret paleoclimate reconstructions derived from lake sediment and could improve predictions of future climatic conditions.

Phytoplankton bloom over the study area in the South Pacific Ocean
Posted inResearch Spotlights

Southern Hemisphere Sediments Show Surprising Pliocene Cyclicity

by Terri Cook 25 April 201926 January 2023

New, high-resolution paleoclimate reconstructions with 100,000-year rhythms may offer insights into how Earth’s climate system operated during a time when the planet was warmer than it is today.

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.

Charred trees in the aftermath of a fire in Mali
Posted inResearch Spotlights

A 192,000-Year Record of Northwest African Fire History

by Terri Cook 19 March 20197 October 2021

Biomarker analyses from an offshore sediment core suggest that increased fire occurrence around 55,000 years ago coincided with increased fuel loads and human settlement in this region.

Posted inEditors' Highlights

Baltic Bacterial Blooms Over the Millennia

by E. Thomas 15 February 201917 February 2023

Eutrophication not only is a present-day anthropogenic phenomenon in the southern Baltic but also occurred over the past few millennia, with cyanobacterial blooms during times of climate warming.

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.

A sediment core offers clues into past patterns in ocean circulation and climate change
Posted inResearch Spotlights

Tiny Marine Shells Reveal Past Patterns in Ocean Dynamics

Aaron Sidder, freelance science writer by Aaron Sidder 16 November 20182 July 2024

A 400,000-year calcium carbonate record from the ocean floor sheds light on deep-ocean circulation and on mechanisms driving climate patterns and atmospheric carbon dioxide concentrations.

Posts pagination

Newer posts 1 2 3 4 5 Older posts
A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

16 January 202616 January 2026
Editors' Highlights

How Satellite Data Helped Avoid Hunger from Drought

20 January 202620 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack