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carbon cycle

Posted inEditors' Highlights

A Burning Issue

by David S. Schimel 8 August 20228 August 2022

California has lost 7% of its forest cover to climate change over the past 25 years.

Scientists take groundwater samples at a karst aquifer field site.
Posted inNews

Groundwater May Fix as Much Carbon as Some Ocean Surface Waters

by Carolyn Wilke 28 July 2022

Microbes from wells as deep as 90 meters created organic carbon at a rate that overlaps with some nutrient-poor spots in the ocean.

Woods and wetlands in the Chequamegon-Nicolet National Forest.
Posted inResearch Spotlights

How Forest Structure Drives Productivity

by Jack Lee 20 July 202220 July 2022

Data from northern Wisconsin forest sites uncovered that vertical heterogeneity metrics are the most influential factors underlying rates of photosynthesis.

SEM images of coccolithophores
Posted inResearch Spotlights

Understanding the Calcium Carbonate Cycle in the North Pacific

by Aaron Sidder 7 July 20227 July 2022

Using data collected from Hawaii to Alaska, a new study sheds light on calcium carbonate cycling in the ocean, an understudied component of the global carbon cycle.

Diagram showing the key interactions between reservoirs of the global carbon cycle.
Posted inEditors' Vox

Mysteries of the Global Carbon Cycle

by David Crisp, Han Dolman, Toste Tanhua, Galen A. McKinley, Judith Hauck, Ana Bastos and Stephen Sitch 22 June 202221 July 2022

Less than half of the anthropogenic carbon dioxide remains in the atmosphere to drive climate change. The rest is being removed by mysterious processes in the land, biosphere, and ocean.

Árboles con hojas verdes y otoñales en el bosque de Odem. Debajo de los árboles hay pasto ver cubierto parcialmente por hojas caídas ocre.
Posted inResearch Spotlights

Mediciones pareadas de gases: ¿un nuevo trazador biogeoquímico?

by Terri Cook 18 May 202218 May 2022

Una técnica que mide la relación entre el dióxido de carbono producido y el oxígeno consumido podría mejorar las predicciones de la respuesta del suelo al cambio climático.

Microscopic image of a mucosphere with microbes trapped inside it.
Posted inNews

The Ocean Is Still Sucking Up Carbon—Maybe More Than We Think

by Nancy Averett 3 May 20224 May 2022

Recent studies looking at carbon-sequestering microbes suggest we still have a lot to learn about the ocean’s biological carbon pump.

Deciduous trees in the Odem Forest
Posted inResearch Spotlights

Paired Gas Measurements: A New Biogeochemical Tracer?

by Terri Cook 21 April 202228 July 2022

A technique that measures the ratio of carbon dioxide produced to oxygen consumed could improve predictions of soil’s response to climate change.

Close-up of a booted foot and the head of a hoe as dark soil is turned. Young corn plants are out of focus in the background.
Posted inFeatures

The Nutrient-Rich Legacy in the Amazon’s Dark Earths

by Kate Evans 23 March 202221 July 2022

Fertile terra preta soils were created through centuries of carefully managed land use. Scientists are taking cues from these soils to better sequester carbon and improve soil for agriculture.

SOCCOM float observing system with ship track, float trajectories, and communication of the float data back to land.
Posted inFeatures

A Global Ocean Biogeochemical Observatory Becomes a Reality

by Oscar Schofield, Andrea Fassbender, Maria Hood, Katherine Hill and Ken Johnson 17 March 202217 March 2022

Building on the successful Argo network of seafaring temperature and salinity sensors, work is underway to deploy 1,000 floats equipped to study ocean biogeochemistry in greater detail than ever.

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From AGU Journals

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