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Marguerite A. Xenopoulos

Editor-in-Chief, JGR: Biogeosciences

Journal covers for GeoHealth and JGR Biogeosciences in from of a green forest.
Posted inEditors' Vox

Lifting the Veil of Journal Editing

by Marguerite A. Xenopoulos and Helen Nguyen 13 August 202412 August 2024

AGU Publications is excited to announce Early Career Editorial Fellow programs for JGR: Biogeosciences and GeoHealth for mentoring the next generation of journal editors.

A river flowing through a forest.
Posted inEditors' Highlights

As the River Flows the Colors Sparkle

by Marguerite A. Xenopoulos 6 August 20245 August 2024

Diving into the science behind river color and its relationship with flow.

Illustration from the study.
Posted inEditors' Highlights

The Unexplored Microbial Life in Subterranean Estuaries

by Marguerite A. Xenopoulos 28 March 202427 March 2024

A new study reveals that microbial life in subterranean estuaries is threatened by anthropogenic activities.

Photo of snow-topped mountains surrounded by water.
Posted inEditors' Highlights

Melting Glaciers as a Source of Lead in Coastal Waters

by Marguerite A. Xenopoulos 13 October 202312 October 2023

New experiments show how lead circulates through glaciers, meltwater, and sediments in polar environments.

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.

Images of measurements taken from a coccolithophore.
Posted inEditors' Highlights

Applying Algal Geometry to Past and Future Environments

by Marguerite A. Xenopoulos 11 May 202310 May 2023

Math can be fun when reconstructing the ocean’s past and forecasting the future with algal geometry.

Map of the Yukon-Kuskokwim Delta in Alaska
Posted inEditors' Highlights

The Burning Tundra

by Marguerite A. Xenopoulos 4 October 202219 January 2023

As wildfires blaze through the Arctic, scientists examine the role of landscape characteristics on wildfire ecosystem responses in northern aquatic ecosystems.

Photo of a scientist drilling into lake ice to take a sample.
Posted inEditors' Vox

A Future Without Ice Cover

by Steven Sadro and Marguerite A. Xenopoulos 11 July 202221 July 2022

Winter is fading away, but the answers may be beneath the ice; a new collection on winter limnology tackles the unknowns.

Plot showing UV-induced emissions weighted global warming potential in CO2 equivalent for each greenhouse gas emitted from cell suspensions of 16 species of marine phytoplankton.
Posted inEditors' Highlights

Phytoplankton as Emitters of Greenhouse Gases

by Marguerite A. Xenopoulos 15 October 20217 October 2021

Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.

Recent cover from AGU's JGR: Biogeosciences journal.
Posted inEditors' Vox

Reflecting Back and Looking Forward at JGR: Biogeosciences

by Marguerite A. Xenopoulos and M. Goni 16 February 202112 January 2023

The outgoing and incoming editors in chief of JGR: Biogeosciences reflect on recent years of growth and expansion in the journal while they ponder and plan for the challenges ahead.

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.”

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