A new two-model approach could reduce uncertainties in calculated rates of “blue carbon” accumulation within soils of seagrass, tidal marsh, and mangrove habitats.
carbon cycle
Posted inResearch Spotlights
Sunlight Stimulates Brown Algae to Release Organic Carbon
Sargassum and other brown algae might be an underappreciated contributor of organic compounds called polyphenols to the open ocean.
Posted inResearch Spotlights
Ship-Based Measurements Overestimate Southern Ocean Carbon Sink
New research suggests that combining ship- and float-based observations provides a more accurate measure of how much carbon the Southern Ocean absorbs.
Posted inOpinions
Addressing Arctic Challenges Requires a Synoptic Ocean Survey
A coordinated effort involving trailblazing science—and icebreaking ships—from many nations is needed to fill gaps in our understanding of the Arctic Ocean and how it’s changing.
Posted inResearch Spotlights
Oceans Vented Carbon Dioxide During the Last Deglaciation
A new boron isotope record from South Pacific marine sediments offers a more complete picture of ocean-atmosphere carbon dioxide exchange during the late Pleistocene.
Posted inScience Updates
Integrating Landscape Terrestrial and Aquatic Carbon Fluxes
Workshop on the Integration of Aquatic and Terrestrial Carbon Fluxes across landscapes; Montreal, Quebec, Canada, 9–10 May 2019
Posted inNews
Deforestation Could Exacerbate Drought in the Amazon
Researchers use high-resolution satellite images to parse the effects of land use changes on the energy balance between the rain forest and the atmosphere.
Posted inNews
Human Activity Outpaces Volcanoes, Asteroids in Releasing Deep Carbon
Humanity’s carbon emissions are, by far, the largest disturbance to Earth’s steady state carbon cycle.
Posted inScience Updates
Is the Northern Permafrost Zone a Source or a Sink for Carbon?
Thawing permafrost could release large amounts of carbon into the atmosphere, but finding out how much requires better collection and curation of data.
Posted inEditors' Highlights
The Many Intertwined Stories of Tree Rings
Trees grow as they age, but it’s not straightforward to tease out how that growth changes over a century of environmental change.