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Global Biogeochemical Cycles

Visit the journal.

Aerial view of a large wetland area, with part of an airplane wing in the foreground
Posted inResearch Spotlights

Tropical Wetlands Emit More Methane Than Previously Thought

Rachel Fritts, Science Writer by Rachel Fritts 13 September 20225 October 2022

Climate models could be vastly underestimating methane emissions from the world’s tropical wetlands, according to observational surveys of wetlands in Zambia.

Iceberg in the Southern Ocean
Posted inResearch Spotlights

A New Look at Preindustrial Carbon Release from the Deep Ocean

Sarah Stanley, Science Writer by Sarah Stanley 18 August 202218 August 2022

New research could help inform future studies of how the release of carbon dioxide from the Southern Ocean might affect global climate change.

Image of marine snow, which is organic material sinking from upper waters to the deep ocean
Posted inResearch Spotlights

The Seasonality of Oceanic Carbon Cycling

Sarah Derouin, Science Writer by Sarah Derouin 3 March 20223 April 2023

Scientists uncovered how seasonal changes affect the amount and rate of carbon as it moves from the ocean’s surface to its depths.

Photos of clouds, forest and sea.
Posted inEditors' Vox

Inventorying Earth’s Land and Ocean Greenhouse Gases

by Benjamin Poulter, Ana Bastos, Josep G. Canadell, Philippe Ciais, Nicolas Gruber, Judith Hauck, Robert B. Jackson, Masao Ishii, Jens Daniel Müller, Prabir K. Patra and Hanqin Tian 17 February 20225 December 2022

A new special collection in AGU journals will present findings from the Second REgional Carbon Cycle Assessment and Processes (RECCAP2) study with a decade of data on greenhouse gas growth.

Photograph of Isaac Santos
Posted inEditors' Vox

Introducing the New Editor in Chief of Global Biogeochemical Cycles

by Isaac Santos 24 January 202221 October 2022

Find out about the person taking the helm of Global Biogeochemical Cycles and his vision for the coming years.

Imagen de microscopio de varios tipos de dinoflagelados
Posted inResearch Spotlights

El papel del fitoplancton de tamaño medio en la bomba biológica de la Tierra

Kate Wheeling, freelance science writer by Kate Wheeling 21 July 202127 September 2022

Una nueva investigación revela que el nanoplancton podría tener una mayor influencia en el ciclo del carbono de lo que se pensaba.

海洋混合和洋流的相互作用决定了氧气的可用性,并决定了使用的方式和时机。
Posted inResearch Spotlights

追踪马尾藻海18度海水中的氧气

by David Shultz 14 May 202122 December 2021

生物地球化学浮子为北大西洋的海洋混合和氧气运动提供了更好的图像。

A recent study lays a new foundation for a better understanding of deep-ocean maxima phytoplankton and their role in the global carbon cycle.
Posted inResearch Spotlights

First Worldwide View of a Key Phytoplankton Proxy

Sarah Stanley, Science Writer by Sarah Stanley 11 May 20214 October 2021

New insights into the dynamics of ocean features known as deep chlorophyll maxima set the stage for better understanding of their role in carbon cycling.

Ocean mixing and the interaction of currents govern oxygen availability and determine how and when it’s used.
Posted inResearch Spotlights

Tracking Oxygen in the Sargasso Sea’s 18 Degree Water

by David Shultz 15 April 202122 December 2021

Biogeochemical floats provide an improved picture of ocean mixing and oxygen movement in the North Atlantic Ocean.

Illustration of a coccolithophore against a blue background
Posted inResearch Spotlights

The Alkalinity Trap at the Bottom of the World

Elizabeth Thompson by Elizabeth Thompson 9 February 202117 August 2022

Tiny microorganisms in the Southern Ocean affect the way the rest of the world’s seas respond to carbon dioxide.

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Revised Emissions Show Higher Cooling in 10th Century Eruption

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Decoding Crop Evapotranspiration

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