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Global Biogeochemical Cycles

Visit the journal.

Posted inEditors' Vox

Thirty Years of GBC in a Changing World

by Susan Trumbore 6 December 20171 November 2021

The outgoing Editor in Chief of Global Biogeochemical Cycles reflects on how research topics published in the journal have adapted and developed since its launch three decades ago.

Researchers put an old model to the test with new data to examine methane dynamics in wetland
Posted inResearch Spotlights

A New Model Yields a Better Picture of Methane Fluxes

Elizabeth Thompson by Elizabeth Thompson 27 November 20172 November 2021

Scientists update an old model with recent findings, allowing for a more accurate understanding of methane dynamics in wetlands.

Looking toward Tahiti from Tetiaroa.
Posted inResearch Spotlights

Oceans May Produce Twice as Much Organic Matter as Usually Measured

by S. Witman 20 November 20177 July 2022

Researchers study how oceans respire carbon, reexamining a critical part of the global carbon cycle.

Posted inResearch Spotlights

New Evidence Challenges Prevailing Views on Marine Carbon Flux

Sarah Stanley, Science Writer by Sarah Stanley 23 August 201722 October 2021

Small, slow-sinking organic particles may play a bigger role than previously thought in the transport of carbon below the surface ocean.

climate change globe arctic
Posted inResearch Spotlights

New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes

by Terri Cook 11 August 201727 September 2022

Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.

Streams and rivers play an important role in the exchange of carbon dioxide between terrestrial ecosystems, atmosphere, and ocean.
Posted inResearch Spotlights

Why Is There So Much Carbon Dioxide in Rivers?

by S. Witman 19 May 20176 March 2023

Observations of carbon dioxide oversaturation in the freshwater of the world led scientists to study its underlying causes at more than 100 field locations across the nation.

New measurements help researchers assess methane emitted by wetlands
Posted inResearch Spotlights

What’s the Average Methane Isotope Signature in Arctic Wetlands?

by Terri Cook 4 May 20173 March 2023

Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.

Sparse vegetation grows in special areas of the frosty soils in Komi Republic, in northwestern Russia.
Posted inResearch Spotlights

High Arctic Emissions of a Strong Greenhouse Gas

Sarah Stanley, Science Writer by Sarah Stanley 6 April 201711 August 2022

Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.

Researchers examine what amount of a river’s nutrient supply reaches the ocean.
Posted inResearch Spotlights

What Proportion of River Nutrients Reaches the Open Sea?

by Terri Cook 22 February 201724 February 2023

Results of the first geographically based estimates of river nutrient supply indicate that 75% of dissolved nitrogen and 80% of phosphorus reach the open ocean.

Algae in the Great Calcite Belt may play an important role in fluctuating atmospheric carbon levels.
Posted inResearch Spotlights

Tiny Creatures Form Massive, Bright Ring Around Antarctica

Sarah Stanley, Science Writer by Sarah Stanley 26 January 201727 September 2022

Dense algae populations in the Great Calcite Belt could cause carbon dioxide release from the ocean into the atmosphere.

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