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Dork Sahagian

Microphotograph of diatoms of various shapes and sizes.
Posted inEditors' Highlights

Machine Learning Enhances Image Analysis in Biogeosciences

by Dork Sahagian 6 November 20245 November 2024

Machine learning can enhance our ability to identify communities of microorganisms and how they change in response to climate change over time.

Three JGR: Biogeosciences cover images.
Posted inEditors' Vox

20 Years of Biogeosciences Research: Looking Back to Forge Ahead

by Marguerite A. Xenopoulos, Gil Bohrer, Jing Chen, Patrick Crill, Shuli Niu, Dork Sahagian and Suzanne Tank 20 July 202320 July 2023

A new special collection invites review papers to mark the 20th anniversary of the Journal of Geophysical Research: Biogeosciences with a focus on what we have learned and what is still unknown.

Posted inEditors' Highlights

Cobalt Key to Development of Early Life on Earth

by Dork Sahagian 16 March 201820 June 2024

Cobalt may have played in important role in the early development of life on Earth, and been more available to ancient life than modern due to the higher mafic composition of early continents.

Glacier melting off the coast of Greenland.
Posted inEditors' Vox

Responding to Climate Change Deniers with Simple Facts and Logic

by Dork Sahagian 30 March 201721 February 2023

A sequence of five questions and answers that can be used by scientists to communicate some simple concepts of climate change to broader audiences.

Posted inEditors' Vox

The Proof of Our Science Lies in the Telling

by Dork Sahagian 8 February 20167 March 2023

Communicating our science for the benefit of society

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Simplicity May Be the Key to Understanding Soil Moisture

23 May 202523 May 2025
Editors' Highlights

Creep Cavitation May Lead to Earthquake Nucleation

22 May 202521 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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