Researchers trace carbon through Arctic soils and find an unlikely source of methane and surprisingly low methane oxidation in watersheds throughout northern Alaska.
methane
Posted inResearch Spotlights
High Methane Emissions Detected During Subarctic Lake Melt
A spike detected in surface methane released from a seasonally ice-covered lake in northern Sweden coincides with the spring thaw and lake overturn.
Posted inNews
Microbes Make a Quick Meal of Methane in a Submarine Canyon
Scientists track the fate of methane released by hydrates in a major canyon off the U.S. East Coast.
Posted inNews
Greenhouse Gas Patterns Offer Promise, Puzzlement
Emissions growth of carbon dioxide has suddenly slowed, but atmospheric methane concentrations continue to soar after a long hiatus. Both trends have a bearing on climate pacts sought this week.
Posted inNews
Active Mud Volcano Field Discovered off Southeast Alaska
A cruise to study landslide potential along an earthquake-prone fault found a surprising methane plume.
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 inResearch Spotlights
When the Sun Goes Quiet, Titan Gets Gassy
Observations from NASA's Cassini probe show that the level of methane in Titan's atmosphere depends on the Sun's 11-year cycle of magnetic activity.
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Jewell Presents Interior Department's Energy "Reform Agenda"
Interior Secretary Jewell says that the agency's agenda includes safe and responsible energy development, good government, and encouraging innovation.
Posted inResearch Spotlights
Rapid Gas Hydrate Forms Pockmarks in Nigeria's Seafloor
The seafloor in deep water regions off the coast of Nigeria is speckled with pockmarks that scientists suggest were mainly made by the rapid formation of gas hydrate.
Posted inResearch Spotlights
Colorado Hydrocarbon Leakage Rates Much Higher Than Reported
Airborne measurements put methane emissions from Colorado's Denver-Julesburg Basin at 12 to 26 tons per hour.