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carbon cycle

Posted inResearch Spotlights

Uncertainty Evaluations Improve Biogeochemical Simulations

by Terri Cook 15 March 201627 September 2022

Results from the first decade-long reanalysis simulation of northwest European shelf biogeochemistry show the importance of quantifying the uncertainty in these indicators to inform marine policy.

Posted inResearch Spotlights

After a Century, Restored Wetlands May Still Be a Carbon Source

by Terri Cook 15 March 201623 January 2023

Methane emissions can drastically lower, or even reverse, the benefits of carbon sequestration in restored wetlands, according to new measurements from the Sacramento–San Joaquin Delta.

Posted inResearch Spotlights

Moored Ocean Buoy Tracks Marine Carbon Cycle Variations

by Mark Zastrow 14 March 201617 March 2023

Years of data from a North Pacific ocean station show that the ocean's ability to pull carbon out of the atmosphere is controlled by biological and physical processes that change between seasons.

Posted inScience Updates

Early-Career Scientists Tackle Deep Carbon

by D. Giovannelli, K. Pratt and F. Viveiros 24 February 201611 January 2022

Second Deep Carbon Observatory Early Career Scientist Workshop; São Miguel, Azores, Portugal, 31 August to 5 September 2015

Posted inScience Updates

New Paths in Geoengineering

by B. Kravitz, Alan Robock and S. Tilmes 17 February 201623 February 2023

National Center for Atmospheric Research Fifth Annual Geoengineering Model Intercomparison Workshop and Early Career Summer School; Boulder, Colorado, 20–24 July 2015

Posted inResearch Spotlights

Deep-Sea Microbes Can Leave Records of the Past

Cody Sullivan by C. Sullivan 9 February 201614 March 2023

Researchers use carbon signatures within sea sediments to identify microbial activity and also to date earthquakes.

Posted inResearch Spotlights

Modeling the Future of Dissolved Organic Carbon in Boreal Forests

Sarah Stanley, Science Writer by Sarah Stanley 9 February 201617 March 2023

Climate change and forest harvesting will increase the concentration and flow of dissolved organic carbon in boreal streams.

Posted inResearch Spotlights

Tracking Carbon in the Alaskan Arctic

Kate Wheeling, freelance science writer by Kate Wheeling 8 February 20169 December 2021

Researchers trace carbon through Arctic soils and find an unlikely source of methane and surprisingly low methane oxidation in watersheds throughout northern Alaska.

Posted inResearch Spotlights

Satellites Reveal a Temporary Carbon Sink over Australia

Kate Wheeling, freelance science writer by Kate Wheeling 8 February 201624 February 2023

Satellite measurements of atmospheric carbon dioxide provide insights into how droughts and floods influence the carbon cycle on the semiarid continent of Australia.

Posted inNews

Iron Fertilization Might Not Make Oceans Better Carbon Sinks

by S. Kelleher 5 February 20161 March 2023

New research suggests more iron during the last ice age did not mean more algae production in the equatorial Pacific, pointing to possible futility of a controversial geoengineering idea.

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