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carbon cycle

Map of the Southern Ocean showing the flux of carbon dioxide determined from the USV measurements during the 196-day circumnavigation of Antarctica
Posted inEditors' Highlights

Robot Measures Air-Sea Carbon Dioxide Exchange in Southern Ocean

by J. Sprintall 22 February 202117 August 2022

Unique air and ocean surface observations of the Southern Ocean from a 22,000 km, 196-day circumnavigation around Antarctica by an Uncrewed Surface Vehicle.

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.

Microscope image of several types of dinoflagellates
Posted inResearch Spotlights

The Role of Midsized Phytoplankton in Earth’s Biological Pump

Kate Wheeling, freelance science writer by Kate Wheeling 4 February 202127 September 2022

New research finds that nanoplankton may have a larger influence on carbon cycling than previously thought.

On-the-ground view of a tractor tread mark going through soil in a farm field
Posted inResearch Spotlights

A Global Look at Surface Soil Organic Carbon

by David Shultz 1 February 20215 October 2021

Soil organic carbon is an important element of ecosystem and climate health. Remote sensing can now give scientists a global look at this important piece of the carbon puzzle.

A forest with boreal trees rich in leaves and vegetation
Posted inNews

Trees That Live Fast, Die Young, and Mess with Climate Models

by Meghie Rodrigues 27 January 20212 November 2021

The trade-off between tree longevity and life expectancy can mean future carbon uptakes are overestimated in current global climate models.

A tree with exposed roots grows atop weathered bedrock in a forest
Posted inResearch Spotlights

Researchers Unearth Bedrock Carbon and Water Dynamics

Elizabeth Thompson by Elizabeth Thompson 22 January 20213 December 2021

Deep tree roots bring respiring microbes into broken bedrock, generating carbon that’s released into the environment. New research explores this oft-overlooked carbon source.

Landscape view showing mountains, forests, and other vegetation within the Héen Latinee Experimental Forest north of Juneau, Alaska
Posted inResearch Spotlights

Determining Dissolved Organic Carbon Flows into the Gulf of Alaska

by David Shultz 15 January 202122 December 2021

A new model determines freshwater and dissolved organic carbon discharge to the Gulf of Alaska from one of the most geographically diverse but understudied regions on the planet.

Permafrost below grass
Posted inNews

Experimentos Revelan Cómo el Carbono del Permafrost se Convierte en Dióxido de Carbono

Katherine Kornei, Science Writer by Katherine Kornei 24 December 20206 September 2022

Muestras de campo provenientes de Alaska muestran cómo la luz solar y el hierro convierten el carbono del permafrost en dióxido de carbono. Los modelos climáticos ignoran este proceso.

A bunch of jellyfish
Posted inResearch Spotlights

El Zooplancton Gelatinoso Transfiere Una Cantidad Significativa de Carbono a las Profundidades del Océano

Rachel Fritts, Science Writer by Rachel Fritts 18 December 20209 November 2022

Un nuevo estudio muestra que las medusas y las salpas marinas no reciben el crédito que merecen por su papel en el ciclo del carbono en el océano.

An image of tea-colored water droplets hanging from a tree branch
Posted inNews

Dirty Trees Shape Earth’s Hydrologic and Carbon Cycles

by C. Hansen 16 December 20206 February 2023

Researchers peer into precipitation partitioning—the process by which plants and the organic matter coating them help shape the hydrologic cycle.

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