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carbon cycle

Researchers track dissolved organic carbon in high-elevation lakes to understand how lakes have been affected by acid rain and a changing climate.
Posted inResearch Spotlights

Effects of Acid Rain, Climate Change on Freshwater Lakes

Aaron Sidder, freelance science writer by Aaron Sidder 11 July 201821 March 2022

New England lakes weathered years of acid rain. A new study tracks how they are faring after 30 years of regulation and how climate change factors into the equation.

Researchers examine the role of upper estuaries as blue carbon sinks
Posted inResearch Spotlights

Upper Estuaries Found to Be Significant Blue Carbon Sink

Aaron Sidder, freelance science writer by Aaron Sidder 29 June 201826 March 2024

Inland from the seagrass and salt marsh ecosystems that border the ocean, upper estuaries store more carbon than previously realized and could play an important role in mitigating climate change.

Researchers use remote sensing to track how vegetation affects dissolved organic carbon in waterways
Posted inResearch Spotlights

Refining Remote Sensing of Dissolved Organic Carbon in Waterways

by E. Underwood 22 June 20186 January 2023

Nearby vegetation affects the color of organic matter, a new study finds.

Posted inEditors' Highlights

Getting Littoral with Lake Carbon Efflux

by Ankur R. Desai 27 April 20188 November 2022

Next generation forced diffusion chambers reveal dynamic environment for lake carbon exchange with distance from shoreline.

Marine mollusk shells record the magnitude of the radiocarbon marine reservoir effect in their habitat.
Posted inEditors' Vox

Radiocarbon in the Oceans

by E. Q. Alves 17 April 201827 January 2022

Offsets in radiocarbon concentration within the ocean or between the ocean and the atmosphere are particularly useful proxies for a variety of studies.

Researchers uncover uncertainty in soil carbon estimates
Posted inResearch Spotlights

Major Uncertainty in Estimates of Carbon Trapped in Soil

by E. Underwood 22 March 201812 January 2023

A new study reveals discrepancies between global databases and field measurements.

Posted inResearch Spotlights

A Deeper Understanding of Carbon Decomposition in Arctic Soils

by Terri Cook 22 March 20189 December 2021

Physical parameters may help scientists extrapolate Arctic carbon soil losses from the local to the regional scale, according to the results of a yearlong incubation experiment.

Erosion eats away at the permafrost of Canada’s Yukon Coastal Plain
Posted inResearch Spotlights

Carbon Release from Permafrost Erosion Along the Yukon Coast

Sarah Stanley, Science Writer by Sarah Stanley 16 March 201827 September 2022

New findings highlight the need to account for large amounts of ground ice contained in frozen soil when assessing Arctic carbon cycling.

Niwot Ridge Long Term Ecological Research site, Boulder, Colorado
Posted inScience Updates

Modeling Global Change Ecology in a High–Carbon Dioxide World

by S. J. Cheng, N. G. Smith and A. R. Marklein 16 March 201821 March 2022

Ignite-style Session, Ecological Society of America Annual Meeting; Portland, Oregon, 11 August 2017

Kevin Webster takes cave air measurements
Posted inNews

Some Caves Remove Methane from the Atmosphere, New Tests Reveal

by L. G. Shields 5 March 20182 November 2021

Isotopic signatures pinpoint the sinks and surprising sources of methane in widespread karst caves. Researchers suggest that this type of cave globally removes more methane than it produces.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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Reducing Uncertainty in Groundwater Models Using Airborne Geophysics

28 September 202625 September 2026
Editors' Vox

Where Fire Ends, Chemistry Begins

30 September 202630 September 2026
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