News tagged with ch4


Landfill cover soil methane oxidation underestimated

Space & Earth / Environment

created Apr 27, 2009 | popularity 3.4 / 5 (5) | comments 0

Landfilled waste decomposes in the absence of oxygen and results in the production of methane. Landfills are classified as the second-largest human-made source of CH4 in the U.S. Additionally, landfill gas contains numerous ...





Search results for ch4


Methane sources over the last 30,000 years

Methane sources over the last 30,000 years

Space & Earth / Earth Sciences

created Apr 16, 2008 | popularity 3.9 / 5 (16) | comments 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 ...


Researchers create search engine to hunt molecules online

Chemistry /

created Jul 26, 2007 | popularity not rated yet | comments 0

ChemxSeer, the first publicly available search engine designed specifically for chemical formulae, can sort out when "He" refers to helium and not a person more than nine times out of 10, according to the Penn State College ...


Permafrost carbon content double the old estimates

Permafrost carbon content double the old estimates

Space & Earth / Environment

created Sep 12, 2008 | popularity 3.9 / 5 (27) | comments 21

New research indicates that the amount of frozen organic carbon locked away in the world’s permafrost regions – a major potential source of atmospheric carbon dioxide (CO2) and methane (CH4) – is double what ...


Titan still offers all possibilities for the Huygens probe landing

Cassini-Huygens observations show how Titan compares with the Earth

Space & Earth /

created May 12, 2005 | popularity not rated yet | comments 0

Observations of Titan’s atmosphere offer a unique look at how Saturn’s giant moon compares to Earth. Titan is the only moon in the solar system with a substantial atmosphere. Like Earth, Titan’s atmosphere ...


The World’s Fastest Measurements of Molecular Vibrations

The World’s Fastest Measurements of Molecular Vibrations

Physics /

created Mar 06, 2006 | popularity 3.2 / 5 (5) | comments 0

When atoms or molecules are subject to a short, intense laser pulse, they emit high-frequency ultraviolet radiation. If you compare the spectra of isotopes that are of different masses but otherwise similar, ...


First comprehensive review of the state of Antarctica's climate

Space & Earth / Earth Sciences

created Dec 01, 2009 | popularity 3.8 / 5 (12) | comments 3

The first comprehensive review of the state of Antarctica's climate and its relationship to the global climate system is published this week by the Scientific Committee on Antarctic Research (SCAR). The review - Antarctic ...


A natural color view of Saturn taken by the Cassini spacecraft on its approach to the planet

Methane found on Saturn plays crucial role in planet formation

Space & Earth /

created Dec 29, 2004 | popularity not rated yet | comments 0

Using an infrared spectrometer on the Cassini-Huygens Spacecraft, researchers have measured the temperature, winds and chemical composition of Saturn, its rings and one of its moons, Phoebe. The data appears in ...


An Inexhaustible Source of Energy from Methane in Deep Earth

Space & Earth /

created Sep 15, 2004 | popularity 3 / 5 (2) | comments 0

Untapped reserves of methane, the main component in natural gas, may be found deep in Earth’s crust, according to a recently released report in the Proceedings of the National Academy of Sciences of the United States of America ...


Scientists confirm Earth's energy is out of balance

Scientists conclude Earth's energy is 'out of balance'

Space & Earth /

created Apr 28, 2005 | popularity not rated yet | comments 0

Using satellites, data from buoys and computer models to study the Earth's oceans, scientists have concluded that more energy is being absorbed from the Sun than is emitted back to space, throwing the Earth's ...



List of search results for ch4