Tag: "groundwater" at biology news
Viruses found in untreated city water
... the wells. "There is a misconception that groundwater
is pure because it is filtered simply by the proce...al Farm Medicine Center. "Understanding viruses in groundwater
is a research priority among drinking water professionals. La Crosse is leading the way and has the ...
Award-winning INEEL probe to help safely monitor hazardous waste sites
...dfill types, with soil that is either saturated by groundwater
or not, making its applications stretch beyond INEEL's mission, Jones notes. About 300,000 waste disposal sites are scattered across the nation, some containing PCBs, corrosives, heavy metals, and radioactive materials. Many of these wastes were buri...
ORNL system eliminates perchlorate, helps scientists trace source
...yzing trace quantities of perchlorate from soil or groundwater
that contain large quantities of impurities like nitrates and other salt deposits," Gu said. "Our findings show that the ORNL treatment system provides a tool for the identification and forensics of perchlorate contamination in the environment." ...
Munching microbes could cleanse arsenic-contaminated groundwater
...en the amount of organic material dissolved in the groundwater
and the concentrations of sulfate and arsenic." Th... "As a result, arsenic sources that leach into the groundwater
are pretty uniformly distributed." Surprisingly, however, arsenic concentration varied strongly from...
Researchers tracking sources of arsenic contamination in water
...eam adjacent to the site is receiving arsenic from groundwater
that has flowed through the mine, but that some of...to the stream and the conditions of discharge from groundwater
into the stream are first steps to possible remediation and control, Schreiber said. "The change tha...
Old riverbed keeps chemicals from entering Ohio River
...y limited experience with groundwater, I knew that groundwater
systems respond to surface conditions at timescale...ce geology in affecting the speed and direction of groundwater
flow. Using a computer model, Svitana matched the shifts in the seesaw effect with rainf...
Multidrug-resitant bacteria found to be airborne in concentrated swine operation
...ntact with or ingestion of soil, surface water and groundwater
near production operations. The article is published in the online edition of Environmental Health Perspectives. "Eating retail pork products is not the only pathway of exposure for the transfer of antibiotic-resistant bacteria from swine to humans....
NC State gets $1.59M grant to map genome of parasitic worm
...get effects of pesticides to worry about, like the groundwater
and other environmental concerns." NC State's Genome Research Laboratory will perform about half of the sequencing work, with collaborator Orion Genomics LLC performing the remainder. Collaborating with Opperman on the project are Dr. Bryon Sosinski,...
Science's Breakthrough of the Year: Salty, acidic soup could have supported life on Mars
...Planet, the rover Spirit found evidence of shallow groundwater
that may have transformed hundreds of meters of volcanic ash into soft, iron-rich rock. Any martian life would have confronted a harsh environment dominated by salty, acidic waters that regularly dried up, but creatures capable of surviving or even t...
Scientists decipher genome of bacterium that helps clean up major groundwater pollutants
...ution by chlorinated solvents a major category of groundwater
contaminants that are often left as byproducts of ...is known to reductively dechlorinate the pervasive groundwater
pollutants tetrachloroethelene (PCE) and trichloroethylene (TCE). That dechlorination produces a non...
WSU geologist uses satellite imagery to study surface water quality within Ohio River watershed
...experience in studying wetlands, water quality and groundwater
contamination. He became involved in this project during a recent sabbatical research opportunity at NASA's Stennis Space Center in Mississippi. The grant from NASA is through the Ohio Space Grant Consortium....
Gene sequencing explains bioremediation 'bug'
...ococcoides and even cultures that can be added to groundwater
to hasten the process. Some cleanup sites are on air force bases and naval air stations, which explains why the Department of Defense has been interested enough to fund the research. For a bug that thrives in nature, Strain 195 and other Dehalococco...
Tiny particles could solve billion-dollar problem
...one of the nation's most pervasive and troublesome groundwater
pollutants, trichloroethene or TCE. The research, ...ch to getting rid of TCE involves pumping polluted groundwater
to the surface, where it can be exposed to chemical catalysts or microorganisms that break the TCE d...
One year after groundbreaking, desert research center takes shape on the Israeli-Jordanian border
...sion from the Jordan River for Jordanian farms and groundwater
pumping for Israeli factories that produce large amounts of methyl bromide, a pesticide. Mooney was particularly interested in collecting samples of tamarisk, a Mediterranean plant that has become a serious nuisance since being introduced into the Un...
Scientists collaborate to assess health of global environment
...-overfishing in the Caribbean, for example, versus groundwater
usage in Chile's Atacama Desert or wood fuel harvesting in Zambia. Overall, the diminishing capacity of services to meet human demands reflects a global problem, Mooney said. Fifteen of the 24 services the assessment considered have been degraded ove...
Arsenic removal from drinking water is focus of new projects
...l change the acceptable level of arsenic in public groundwater
supplies from 50 micrograms per liter to 10 mg/l. ...g conditions that may control arsenic release into groundwater
supplies, and tracking arsenic concentration variability in relation to time and pumping procedures....
Study uncovers bacteria's worst enemy
...r, a single chemical rarely contaminates soils and groundwater
and combinations of actinides, radionuclides, organic chemicals and metal regularly exist at many nuclear sites. Based on the results of this study, if bioremediation is to be effective at these types of sites, the operative microorganisms must be ab...
Water research initiatives at UW-Madison
...cts at UW-Madison related to water resources, from groundwater
to the Great Lakes. The following tipsheet describ...als are being found increasingly in surface water, groundwater
and soils. Compared to contaminants like PCBs, however, little is known about the environmental beha...
Water and the environment
...ces are managed, such as the impact of dams and of groundwater
depletion. It providesa comprehensive look at the affects of floods, droughts and pollution by various sources, and shows howwater resources are protected through conservation, water quality treatment, and protective laws andlegislation. Produced in ...
Story tips from the Department of Energy's Oak Ridge National Laboratory, May 2005
...g nitrate and immobilizing uranium in contaminated groundwater
and soil. Researchers from Oak Ridge National Laboratory, Miami University and Stanford University enriched a microbial culture capable of removing nitrate and found that this "denitrifying" biomass contains a diverse microbial community with some mi...
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