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paleoclimatology & paleoceanography

Posted inScience Updates

Developing Databases of Ancient Sea Level and Ice Sheet Extents

by F. H. Williams, N. Hallmann and A. Carlson 17 February 201512 January 2023

PALSEA2 Workshop;
Lochinver, Scotland, 16–22 September 2014

Posted inResearch Spotlights

Tracking Down a Subduction Zone Earthquake

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 13 February 201524 August 2023

Researchers use computer simulations to find the date and earthquake source of an ancient tsunami that deposited sediment in a Hawaii sinkhole.

Posted inResearch Spotlights

Wave Ripples Spaced by Flow Downstream of Ripple Peaks

by J. Rosen 12 February 20157 July 2025

The well-known ratio between sand ripple spacing and wave-driven flow oscillations may be dictated by flow dynamics downstream of ripple crests.

Posted inScience Updates

Reading History From Afar

by B. Atnafu, T. Kidane, A. Foubert, D. Jaramillo-Vogel, J.-C. Schaegis and J.-P. Henriet 30 January 201525 October 2022

A look at the sedimentary record in northern Ethiopia tells the story of oceans past—and maybe future.

Posted inResearch Spotlights

Ancient Earthquakes Made an Island Rise and Fall

by C. Schultz 31 December 201424 January 2023

Observations track elevation changes of an island in the Kodiak Archipelago to past ruptures of the Alaska-Aleutian megathrust fault.

Posted inResearch Spotlights

Atmospheric Carbonyl Sulfide Hit a Minimum 5,000 Years Ago

by C. Schultz 31 December 201424 February 2023

A new ice core measurements-based record of a climate-active gas shows variability on millennial timescales.

Posted inNews

Traces of Glass-Eating Microbes Found in Ancient Lake Bed

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 23 December 20148 March 2022

A serendipitous discovery of tiny tunnels in lava that cooled rapidly under fresh water could help scientists search for life on Mars.

Posted inNews

Estuaries May Face Increased Parasitism as Sea Levels Rise

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 18 December 201410 November 2022

Researchers document how past sea levels changes affected invertebrate health in coastal environments.

Posted inNews

Tectonic Events May Have Triggered the Cambrian Explosion

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 18 November 201430 January 2023

A researcher proposes a tectonic mechanism that could have helped drive one of the biggest evolutionary events in history: the Cambrian Explosion.

Posted inResearch Spotlights

History of Storm Surge in Florida Strongly Underestimated

by C. Schultz 28 October 20146 March 2023

Florida’s sediment record reveals surprising new information about the frequency of large hurricanes hitting the state.

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Research Spotlights

Can Microorganisms Thrive in Earth’s Atmosphere, or Do They Simply Survive There?

7 August 20257 August 2025
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How Flexible Enhanced Geothermal Systems Control Their Own Seismicity

7 August 20255 August 2025
Editors' Vox

Early-Career Book Publishing: Growing Roots as Scholars

6 August 202530 July 2025
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