Tag: "subsurface" at biology news
Wider buffers are better
...ch as soil saturation, groundwater flow paths, and subsurface
chemical/organism relations are important for governing nitrogen removal in buffers. Vegetation type also may be an important factor in certain landscapes and hydrologic settings where forested buffers may prevent nitrogen in deep groundwater or cont...
Alternative farming cleans up water
...er that percolates through soils. In regions where subsurface
drainage is used to promote crop growth, high levels of nitrates are transported to downstream waters. Nitrate contamination of water can contribute to waters becoming hypoxic and stress aquatic life living downstream. The challenge facing industry...
In nature, proteins sweep up nanoparticles
...r finding may lead to innovative ways to remediate subsurface
metal toxins. The research, which appears in the...ave the potential to control their mobility in the subsurface
by adding constituents that drive aggregation, says Banfield. The scientists also sought to unders...
Researchers develop way to calculate speed of bacterial sex
...taking into account characteristics of the natural subsurface
environments, the typical bacteria hangouts. This ...acterial transport and conjugation that focused on subsurface
bacteria colonizing surfaces, such as sand and soil grains. The UC-Davis research was funded by the ...
AGU Journal Highlights -- April 16, 2007
...ar velocity reductions could be generated by other subsurface
processes, including biogenic gas production. Furt.... However, it is often challenging to characterize subsurface
water flow paths, which differ markedly in length, depth, and flow duration. Noting that fractal pat...
Orbiter provides new hints of past groundwater flows on Mars
...oratory, said the new images strongly suggest that subsurface
fluids -- probably water, liquid carbon dioxide or a combination of the two -- once flowed abundantly in the western Candor Chasma region of Mars. Okubo will discuss the paper during a 15 February news briefing at the 2007 AAAS Annual Meeting in S...
EO Lawrence Award goes to 8 scientists and engineers
...nt. His studies of how toxic metals travel in the subsurface
environment of the Department of Energy Hanford site are helping provide science-based environmental cleanup solutions with broad applications. Steven Zinkle, a materials scientist, is an expert on the effects of radiation on the properties of mate...
Dig deeper to find Martian life
...n cells are dormant, such as when frozen as in the subsurface
of Mars, they are preserved but unable to repair t...vated. Mr Dartnell said: "With this model of the subsurface
radiation environment on Mars and its effects on the survival of dormant cells we have been able to ...
'Hidden-hero' microbes in soil, water may help naturally clean toxic sites
...heroes" -- to promote bacterial growth in the soil subsurface
that scrub it of potentially deadly radioactive me...rmine and predict the functioning or metabolism of subsurface
microbial groups that catalyze key chemical reactions for contaminant removal from groundwater," he ...
New clean-up project builds upon success gained in field
...sted, involves stimulating bacterial growth in the subsurface
to clean up contaminants and may provide a more ec...lations and geochemical properties. Changes in the subsurface
are being monitored using geophysical methods that send electric, acoustic and other signals into th...
From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea
...aeota are everywhere-in soils, sediments, the deep subsurface
and the ocean,'' he said. ''They are potentially the most abundant organism on Earth, yet we really had no idea how they survive in the ocean.'' Non-extremophilic Crenarchaeota are fascinating, according to Francis, in large part because of their p...
Bacteria that use radiated water as food
...ikely fuel optimism that life exists in other deep subsurface
environments, such as in groundwater beneath the p...face." Bacteria living in groundwater or in other subsurface
environments is not news. Until now, however, it was not known whether subterranean microorganisms w...
Mars Express and the story of water on Mars
...periment." The objectives include the detection of subsurface
water. The OMEGA Visible and Infrared Mineralogical Mapping Spectrometer has taken giant steps towards answering that question. OMEGA detects minerals on the surface of Mars. Three in particular reveal the history of Martian water. "We have demon...
ACS News Service Weekly PressPac -- Sept. 20, 2006
... odors" New insights into costly destruction of subsurface
petroleum Enhancing the healthful properties of...E RELEASE New insights into costly destruction of subsurface
petroleum Energy & Fuels Scientists are reporting an advance toward understanding and possibly co...
Clemson research cleans up with edible oil
...nants," said Murdoch. "Some microbes in the ground subsurface
will degrade solvents. The edible oils create the right conditions for those kinds of microbes to flourish, so they seek out the contaminants and break them down. We hope the oil will both trap and destroy contaminants underground." SRNL Laboratory...
USGS at 2006 International Mercury Conference
... that is washed into streams by surface runoff and subsurface
storm flow. To find out more, attend the platform session, S-1262: Mercury on the Move - Sources and Processes Driving Mercury and Methylmercury Export by Streamwater on Tuesday, August 8, at 2:40 p.m. in Ballroom A. Presenter: James B. Shanley (js...
Rise in sea level, loss of wet lands may account for unstable ground in Mississippi Delta
...rs Withdrawal of oil, gas and groundwater from the subsurface
The role of tectonic processes and their relationship to sea-level rise, coastal erosion and wetland loss have received considerable attention from researchers. But, "if that were the whole story, there would be major consequences for Louisiana, beca...
Ecologists home in on how sperm whales find their prey
...ong, deep dives, little has been known about their subsurface
behaviour, giving rise to an array of speculations on how sperm whales find prey, including luring, touch, passive listening, echolocation and vision. Recording vocalisations of diving sperm whales presents a non-invasive opportunity to document feed...
Exxon Valdez oil found in tidal feeding grounds of ducks, sea otters
... than 90 percent of the surface oil and all of the subsurface
oil was from the Exxon Valdez, Short says. Based on these findings, the researchers estimated that in a given year, a sea otter digging three pits a day searching for clams and other prey would probably come into contact with Exxon Valdez oil at l...
Rutgers School of Engineering awards first alumni medals of excellence
... carried out research and published extensively on subsurface
contaminant transport, leaching, and treatment processes for hazardous waste. He served on several National Research Council (NRC) committees for The National Academies reviewing and evaluating the Army's stockpile disposal program, and contributed t...
1 2 3