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carbon cycle

Twitchell Island, in Sacramento County, Calif., is a wetland flux site in the FLUXNET network.
Posted inScience Updates

A New Data Set to Keep a Sharper Eye on Land-Air Exchanges

by G. Z. Pastorello, D. Papale, H. Chu, C. Trotta, D. A. Agarwal, E. Canfora, Dennis Baldocchi and M. S. Torn 17 April 201710 March 2023

FLUXNET2015, the latest update of the longest global record of ecosystem carbon, water, and energy fluxes, features improved data quality, new data products, and more open data sharing policies.

Researchers examine the exchange of carbon dioxide between the air and water in an Arctic region where thick ice has prevented ship passage.
Posted inResearch Spotlights

How Arctic Ice Affects Gas Exchange Between Air and Sea

Sarah Stanley, Science Writer by Sarah Stanley 14 April 20179 August 2022

Scientists begin to fill a major data gap by investigating carbon dioxide dynamics in a remote region of the Arctic Ocean.

Amanita thiersii mushrooms
Posted inResearch Spotlights

Mushrooms Could Provide a Record of Grassland History

Alexandra Branscombe by A. Branscombe 11 April 20174 October 2021

Scientists measured carbon isotopes in certain types of fungi to assess whether the organisms can track how climate change is affecting grasses.

Ruddiman Lagoon, a small freshwater lake, joins Muskegon Lake, a freshwater estuary in Michigan.
Posted inOpinions

Global Significance of the Changing Freshwater Carbon Cycle

by Bopaiah A. Biddanda 21 March 20174 February 2022

Freshwater ecosystems constitute a small fraction of our planet but play a disproportionately large and critical role in the global carbon cycle.

Researchers work to improve modeling of how thawing permafrost may impact Earth’s ecosystems
Posted inResearch Spotlights

Modeling Permafrost's Role in the Global Carbon Cycle

by S. Witman 15 March 20179 December 2021

A team of international scientists surveyed an array of Earth ecosystem models, recommending several ways to reduce uncertainties.

Samples of Arctic permafrost hold clues to the carbon feedback loop that may be sparked as the permafrost thaws.
Posted inResearch Spotlights

Arctic Permafrost Thaw Would Amplify Climate Change

by S. Witman 3 March 201715 November 2021

An international team probed Arctic permafrost samples to better understand the carbon feedback loop that could be set off by future thawing.

Researchers have developed a new tool to assess short-term changes in threatened coral reefs.
Posted inResearch Spotlights

Scientists Develop New Tool to Monitor Reef Health

Sarah Stanley, Science Writer by Sarah Stanley 2 March 201711 August 2022

A first-of-its-kind system could reveal short-term changes in threatened reefs worldwide.

Aerial view of the Udachnaya pipe deposit diamond mine in Sakha Republic, Russia
Posted inScience Updates

Synthesizing Our Understanding of Earth's Deep Carbon

by Marie Edmonds and C. Manning 21 February 201728 March 2023

The Deep Carbon Observatory is entering a new phase, in which it will integrate 10 years of discoveries into an overarching model to benefit the scientific community and a wider public.

Researchers tie dissolved organic carbon in the Gulf of Maine to changes in precipitation and runoff in New England.
Posted inResearch Spotlights

How Climate Change Affects the Flow of Carbon from Land to Sea

Kate Wheeling, freelance science writer by Kate Wheeling 14 February 201730 June 2025

Changes in precipitation and runoff in New England may be driving more dissolved organic carbon into the Gulf of Maine.

Algae in the Great Calcite Belt may play an important role in fluctuating atmospheric carbon levels.
Posted inResearch Spotlights

Tiny Creatures Form Massive, Bright Ring Around Antarctica

Sarah Stanley, Science Writer by Sarah Stanley 26 January 201727 September 2022

Dense algae populations in the Great Calcite Belt could cause carbon dioxide release from the ocean into the atmosphere.

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