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Recent News and Articles on the Keywords: bubbling up + good news + methane  Related to the article below (Last Update: 5/5/2008)

My Death, BioDiesel in Lethbridge, Brazil, Houston, Uruguay ...
American Chronicle, CA - Apr 14, 2008
Indeed, reportedly Japan discovered these deposits of methane hydrate because some students noticed methane bubbling to the surface of the ocean ...

Charleston Gazette
Readers' voice: April 25, 2008
Charleston Gazette, WV - Apr 24, 2008
The methane gas bubbling up from a body of water is not understood as to how it will affect us but it could not be good. We are losing this war because our ...
Source: Google News

A Rocky Start
K Morgan - Science News, 2003 - JSTOR
... after the injection, iron sulfide bubbles spontaneously began to ... within their rock
shelters cooked up two separate ... of earthly events should come as good news. ...

Rapid climate change: Gas leak!
E SUESS, G KIEL - Nature, 2003 - nature.com
... Living organisms such as algae take up carbon-12 in preference to carbon ... Bubbling
under. ... The good news, then, is that the mechanisms that helped to bring down ...

Microbiology: batteries not included. What can't bacteria do? -
N Lane - Nature, 2006 - nature.com
... as rust with hydrogen sulphide that can bubble up from below ... "They would have to
come up with an ... Enzymes are good at speeding up such reactions through catalysis ...

[PDF] Methane Digesters for Fuel Gas and Fertilizer -
LJ Fry - New Alchemy Institute. Woods Hole, Massachussets, USA, 1976 - backyardaquaponics.com
... take over and decompose it, and gas bubbles will rise ... Table 2), you can bring it
up to normal ... C). Different sets of acid-producing and methane bacteria thrive ...

Composites in construction?gearing up for growth
A Jacob - Reinforced Plastics, 2007 - Elsevier
... Diagram of a jet bubble reactor (JBR ... by cooling sprays and then enters a jet bubbling
reactor (JBR ... are approximately 30 ft in diameter, with a height up to 1000 ...

[PDF] Foamy oil ow in porous media
DD Joseph - aem.umn.edu
... the forces which induce these bubbles to move ... does not require information about
nucleation, bubble growth, compressibility or ... We put up a one phase or mixture ...

Polar Research: Buried treasure
S HOU - Nature, 2007 - nature.com
... Ice is the only place to find such bubbles. ... the amount of the gas in each bubble
could confirm ... in carbon dioxide, that allowed ice sheets to build up enough to ...
-

IN BRIEF -
V versus Virus, G Worms, E Mesons - sciamdigital.com
... Exotic Mesons Good news for the Standard Model came from ... Center for Atmo- spheric
Research, also sums up previ- ous ... is full of sounds: the bubbling of liquids ...

Hutchinson, Kansas: A Geologic Detective Story
ML Allison - Geotimes, 2001 - geotimes.org
... of natural gas and brine began bubbling up 2 to 3 ... of our seismic reflection program
in finding good well locations ... The gas moved vertically up to a laterally ...
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[PDF] Selling Carbon Neutrality
MC Trexler, LH Kosloff - ENVIRONMENTAL LIABILITY, 2006 - nativeenergy.com
... in the atmosphere, so the offset bubble is literally ... So the good news is that additional
emissions reductions are ... Does the retail offset market live up to this ...

Source: Google Scholar

Scientists Find Good News About Methane Bubbling Up From the Ocean Floor Near Santa Barbara

(Santa Barbara, Calif.) –– Methane, a potent greenhouse gas, is emitted in great quantities as bubbles from seeps on the ocean floor near Santa Barbara. About half of these bubbles dissolve into the ocean, but the fate of this dissolved methane remains uncertain. Researchers at the University of California, Santa Barbara have discovered that only one percent of this dissolved methane escapes into the air –– good news for the Earth's atmosphere.

Coal Oil Point (COP), one of the world's largest and best studied seep regions, is located along the northern margin of the Santa Barbara Channel. Thousands of seep fields exist in the ocean bottom around the world, according to David Valentine, associate professor of Earth Science at UC Santa Barbara. Valentine along with other members of UCSB's seeps group studied the plume of methane bubbles that flows from the seeps at COP.

Their results will soon be published as the cover story in Volume 34 of Geophysical Research Letters. This research effort is the first time that the gas that dissolves and moves away from COP, the plume, has been studied.

The amount of methane release from COP seeps is around two million cubic feet per day, according to Valentine. About 100 barrels of oil oozes out of this area as well. Methane warms the Earth 23 times more than carbon dioxide when averaged over a century. Thus the fate of the methane bubbles from the seeps is an important environmental question.

"We found that the ocean has an amazing capacity to take up methane that is released into it –– even when it is released into shallow water," said Valentine. "Huge amounts of gas are coming up here, creating a giant gas plume. Until now, no one had measured the gas that dissolves and moves away, the plume."

Valentine hypothesized that the methane is oxidized by microbial activity in the ocean, thus relieving the ocean of the methane "burden."

To arrive at this hypothesis, Valentine and lead author Susan Mau, a postdoctoral fellow in Valentine's lab, tracked the plume down current from the seeps at 79 surface stations in a 280 square kilometer study area. They found that the methane plume spread over 70 square kilometers.

By boat, the authors sampled the water on a monthly basis. They found variable methane concentrations that corresponded with changes in surface currents. They also found that more wind releases more methane into the atmosphere. Overall, they discovered that about one percent of the dissolved methane escapes into the atmosphere in the area they studied, a long-term average. This lead the authors to hypothesize that most of the methane is transported below the ocean's surface –– away from the seep area. Then it is oxidized by microbial activity.

To back up their findings of their surface sampling of the water, the scientists used a mass spectrometer hauled behind the boat as well. This equipment allowed for very high-resolution chemical information about the methane. This effort showed no significant difference in the numbers.

"We showed that the currents control the fate of the gas and supply it to bacteria in a way that allows them to destroy the methane," said Valentine.

Valentine said that while the seeps at COP are among the largest in the world, they can be found just about anywhere.
 
 
 
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