A spike detected in surface methane released from a seasonally ice-covered lake in northern Sweden coincides with the spring thaw and lake overturn.
carbon cycle
Posted inNews
Icebergs Fertilize Southern Ocean, Sequester Carbon
Huge, drifting ice rafts (the white spot on the satellite image below ) shed minerals as they melt, painting trails of nutrients, teeming phytoplankton, and chlorophyll across hundreds of kilometers of ocean.
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Plankton Reveal New Secrets About Ancient CO2 Levels
An analysis of phytoplankton shells doubles previous estimates of the amount of carbon dioxide in the atmosphere 11 million years ago.
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Salty Secret Might Aid Carbon Impact of Restored Wetlands
Research on a surprising way rainfall affected the salinity of a boreal peatland might help restorers of such wetlands wrecked by tar sands mining maximize carbon absorption of reclaimed marshes.
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Michael R. Raupach (1950–2015)
A pioneer in fields ranging from plant-atmosphere interactions to the carbon cycle, this Australian climate scientist transformed modern micrometeorology and cofounded the Global Carbon Project.
Posted inOpinions
Managing the Carbon Cycle Requires Strong Science
For future climate change mitigation strategies to be effective, carbon cycle science must receive a major boost.
Posted inResearch Spotlights
Climate Variability Across Scales Affects Ecosystems over Time
Given enough time, short-term variations in temperature, precipitation, and solar radiation influence the fluxes of water and carbon through ecosystems.
Posted inResearch Spotlights
Rising Temperatures Release Methane Locked in the Seabed
New research shows that when ice in the seafloor melts, single-cell organisms metabolize the methane released, preventing the greenhouse gas from reaching the atmosphere.
Posted inScience Updates
Integrating Carbon Cycle Research into Decision-Making Processes
North American Carbon Program Principal Investigators Meeting; Washington, D. C., 26–29 January 2015
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Woody Vines Limit How Much Carbon Tropical Forests Sequester
Vines called lianas, which store less carbon than trees, are winning the competition for sunlight and water.