News tagged with atmospheric methane
Wetlands likely source of methane from ancient warming event
Space & Earth / Earth Sciences
Apr 23, 2009 |
4.7 / 5 (7) |
0
An expansion of wetlands and not a large-scale melting of frozen methane deposits is the likely cause of a spike in atmospheric methane gas that took place some 11,600 years ago, according to an international ...
Search results for atmospheric methane
Plant life not a villain in methane emissions debate
Biology /
Jan 14, 2009 |
2.8 / 5 (6) |
1
(PhysOrg.com) -- A comprehensive investigation of plant emissions led by University of South Australia molecular biologist Dr Ellen Nisbet has put pay to the assertion that plants are producing and releasing ...
Methane gas levels begin to increase again
Space & Earth / Earth Sciences
Oct 29, 2008 |
3.3 / 5 (32) |
33
The amount of methane in Earth's atmosphere shot up in 2007, bringing to an end a period of about a decade in which atmospheric levels of the potent greenhouse gas were essentially stable, according to a team led by MIT researchers.
Explaining the methane mystery
Space & Earth / Earth Sciences
Sep 27, 2006 |
3.6 / 5 (13) |
0
Scientists have explained why atmospheric levels of the greenhouse gas methane have stabilised in recent years, but warn that increases could resume in the near future.
Paired microbes eliminate methane using sulfur pathway
Biology /
Jan 17, 2008 |
4 / 5 (5) |
0
Anaerobic microbes in the Earth's oceans consume 90 percent of the methane produced by methane hydrates – methane trapped in ice – preventing large amounts of methane from reaching the atmosphere. Researchers now have evidence ...
Mars, methane and mysteries
Space & Earth / Space Exploration
Aug 10, 2009 |
4.8 / 5 (10) |
0
Mars may not be as dormant as scientists once thought. The 2004 discovery of methane means that either there is life on Mars, or that volcanic activity continues to generate heat below the martian surface. ...
Methane gas likely spewing into the oceans through vents in sea floor (w/ Video)
Space & Earth / Earth Sciences
Sep 02, 2009 |
4.2 / 5 (10) |
8
(PhysOrg.com) -- Scientists worry that rising global temperatures accompanied by melting permafrost in arctic regions will initiate the release of underground methane into the atmosphere. Once released, that ...
Life on Mars theory boosted by new methane study
Space & Earth / Space Exploration
Dec 08, 2009 |
4.9 / 5 (31) |
11
Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...
Scientist: Microbe Community Deep Beneath Arctic Permafrost Needs Study
Space & Earth / Earth Sciences
Dec 18, 2008 |
5 / 5 (1) |
0
(PhysOrg.com) -- A community of microbes, living in a frigid layer of gas hydrates deep beneath the Arctic permafrost, has piqued the interest of scientists who say a better understanding of that environment is important ...
Plants do not emit methane
Apr 27, 2007 |
4 / 5 (16) |
0
A recent study in Nature suggested that terrestrial plants may be a global source of the potent greenhouse gas methane, making plants substantial contributors to the annual global methane budget. This controversial findin ...
Methane sources over the last 30,000 years
Space & Earth / Earth Sciences
Apr 16, 2008 |
3.9 / 5 (16) |
1
Ice cores are essential for climate research, because they represent the only archive which allows direct measurements of atmospheric composition and greenhouse gas concentrations in the past. Using novel ...
List of search results for atmospheric methane
