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Paleoceanography and Paleoclimatology

Visit the journal.

Diagram from the study.
Posted inEditors' Highlights

Taking Our Paleoceanographic Tools to the Next Level

by David Thornalley 2 April 202527 March 2025

A new modeling study shows that to accurately interpret data derived from an iconic proxy of past Atlantic overturning strength, we must consider the complex factors governing the proxy systematics.

An image from under a microscope of luminous objects shaped like seashells. The background is a purplish blue color.
Posted inResearch Spotlights

Getting to the Bottom of Cenozoic Deep-Ocean Temperatures

Aaron Sidder, freelance science writer by Aaron Sidder 2 December 20242 December 2024

Reconstructing past ocean conditions with oxygen isotopes could provide more information about how Earth’s climate evolved over time, but methods for reconstructing these data can yield varying results.

Charts comparing observed sea-surface temperature with high-resolution reconstructions.
Posted inEditors' Highlights

Unlocking Ultra-High-Resolution Paleothermometry from Sediments

by Kaustubh Thirumalai 18 May 202214 September 2022

Mass spectrometric imaging techniques used to extract micron-scale organic paleothermometry signatures from Arabian Sea sediments show that they skillfully reflect observations.

Photomicrograph of tree ring cell density from open to tight showing the repeating pattern of seasonal growth.
Posted inEditors' Highlights

How Hot Was the Summer of 1783 Really? Trees Tell Tales

by Sarah Feakins 20 April 20224 January 2023

Volcanoes, heat waves, and tree rings – getting the seasonal story straight – a new study finds that volcanic fog lowered summer tree ring density despite the heat.

Example of a Simple Knowledge Organization System that defines a vocabulary and syntax to formalize a common language for paleoceanography and paleoclimatology data.
Posted inEditors' Highlights

Finding the Right Words: A Common Language for Data Deposition

by Sarah Feakins 28 October 20214 May 2022

Discovering climate signals in the archives: how using a common language for data deposition ensures your data are found, understood and cited.

在中生代,泛大陆的分裂导致了长期的气候趋势。
Posted inResearch Spotlights

中生代1.95亿年的全球气候模拟

by Jack Lee 31 August 202126 October 2021

集合气候模拟确定了推动史前温室气候长期趋势的因素。

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.

An iceberg floats off of Baffin Island in the North Atlantic Ocean.
Posted inResearch Spotlights

A 50,000-Year History of Current Flow Yields New Climate Clues

Sarah Stanley, Science Writer by Sarah Stanley 6 May 20212 July 2024

The first high-resolution historical record of Europe’s Glacial Eastern Boundary Current sheds new light on ocean circulation, ice sheet dynamics, and climate change.

Fotografía de olas rompiendo
Posted inResearch Spotlights

Los océanos liberaron dióxido de carbono durante la última deglaciación

Kate Wheeling, freelance science writer by Kate Wheeling 24 February 2021

Un nuevo registro de isótopos de boro proveniente de sedimentos marinos del Pacifico Sur, ofrece una imagen más completa del intercambio de dióxido de carbono entre el océano y la atmósfera durante el Pleistoceno tardío.

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.

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