Tag: "groundwater" at biology news
Dating A Caveman
...ry and nuclear physics. Such limestone forms where groundwater
contains a high concentration of dissolved calcium...ately for geochronologists, such limestone-forming groundwater
often also contains minute quantities of dissolved uranium, which gets incorporated into the limesto...
Newly Discovered Bacteria Produce Magnetic Material
...lso metabolize hydrogen andpyruvate, were found in groundwater
and drilling mud; the Taylorsvillebacteria were present in subsurface shale and sandstones. The anaerobic bacteria convert food to energy and waste through an electrontransfer process typical of respiration, rather than fermentation. Just ashumans ge...
Six-Year Drilling Project to Uncover One Million Years of Earth History
...r over the life of a Hawaiian volcano, movement of groundwater
deep within the volcanic complex, and the earthqua...er year) than the volcano builds new flows. Fresh groundwater
can be channeled to depths of more than 1,000 feet below sea level by changes in rock porosity, and ...
No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
...ern Europe. Most of the lost nitrogen leaked into groundwater
as nitrate, a pollutant and human health threat throughout the Midwest. The nitrogen-driven loss of diversity and rise of "weedy" species in grasslands are comparable to the well-documented changes that occur in some lakes when phosphorus is ...
Penn State Wetlands Project Seeks Scientific Evaluation Criteria
...y. "Brooks explains that forested wetlands fed by groundwater
are the most abundant type of wetlands in the Mid-Atlantic area, and these forested areas are most commonly lost to development. If the forested wetlands are restored or created, the most common type is an open-water pond with emergent forest veg...
Ten Years of Progress For Superfund Basic Research Program
...ding inmore and more polluted sites. We find it in groundwater
and soil.Different strains seem to degrade a wide variety of compounds." A second organism isolated and studied at UC belongs to thegenus Mycobacterium. This group includes the microbes which causeleprosy and tuberculosis, but the strain used at UC i...
Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
... one of the most widespread and difficult to treat groundwater
contaminants in the country. The researchers -- wo...scale test to determine if TCE can be removed from groundwater
using a method called in situ bioremediation, which uses naturally occurring microorganisms to bre...
Virginia Tech Engineers Help Mother Nature Clean Up
... water and wastewatertreatment as well as soil and groundwater
remediation, explainsthat poplar trees can "genera...e model would have to account for suchvariables as groundwater
flow, the long term fate of the contaminantand the long term fate of the soils contaminant. In t...
Press Events At Spring Meeting
...ination on Cape Cod. Other projectselsewhere cover groundwater
contamination from hydrocarbons, explosives,synthetic organic compounds, and landfills. (Meeting sessions on this andrelated topics will be held all day Thursday.) 1:30 PM. Do auroras recognize coastlines? Press conference. A phenomenon firstrep...
Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations
...nts or glycol ethers, both of whichcan contaminate groundwater
resources for years. Currently, firefightersrelease millions of tons of such chemical extinguishers into the environmentevery year. Only four gallons of Pyrocool FEF (for Fire Extinguishing Foam)treats 1000 gallons of fresh or sea water, however, in ...
Groundwater Injection Process Filters Out Contaminants
...tory may be able to remove deadly contaminantsfrom groundwater
more easily and less expensively. Pacific ...ox Manipulation,or ISRM, to remediate contaminated groundwater
at up to 60 percent savings over10 years when compared to current remediation methods. Potential ap...
New Environmental Monitoring System To Reduce Costs And Improve Efficiency
...coatings to detect multiple contaminants in soil, groundwater
and air.The speed of light increases or decreases when passing through materialsof differing optical properties, Hartman explained. Detection ofcontaminants becomes possible by measuring a contaminant's influence onthe optical properties of the senso...
Better Golf Course Chemical Management Possible With "Kturf" Website
... chemicals that leach down to andcontaminate local groundwater
supplies. Starrett said that in 1982, course managers used more than 5.4 million kg ofpesticides and nitrogen for turf maintenance. Until fairly recently, themanagers could not tell how much of which chemicals they applied had leachedbelow the turf r...
"Health Of Hanford" Conference Gathers Diverse Audience To Review And Discuss Health Issues
...edness, ecological contamination, workerhealth and groundwater
quality in and around the HanfordNuclear Reservation are among topics to be addressed during atwo-day conference Nov. 3 and 4 in Richland, Wash. Thesecond annual "Health of Hanford" conference, sponsored bythe University of Washington, will join scie...
Boats A Source Of MTBE In Water
...secondmost frequently detected chemical in shallow groundwater
from urban areas. Other potential sources of MTBE into shallow groundwater, according to thearticle, include leaking storage tanks, stormwater flow and urban precipitation. Reuter is quick to point out that once the Lake Donner boating seaso...
Tracking A Legacy Of Waste In The West Siberian Basin
... nuclear weapons material production travels inthe groundwater
and may be threatening the health of humans and th... what theybelieved were very slow moving fields of groundwater
in the West Siberian Basin, located in centralRussia. The practice of discharging into open reserv...
Some Smelter Slags Represent A Significant Environmental Hazard
... spring. During this period the slag is exposed to groundwater
than can be asacidic as vinegar. But the elements leached from the slag rapidly combine withthe lake sediments so they don't remain in the water for long, he hasdetermined. Parsons' studies identify dissolution of the glassy material in the slag as t...
Rivers May Be Emitting Substance Involved In Ozone Destruction
...eceives wastewater effluentfrom municipalities and groundwater
return flows from irrigated fields. Themeasurements were taken along a 450-mile stretch of the river from North Platte,Neb.,to just above Denver, Colo....
Groundwater Remediation: New Tool Offers Improvement
... "Selecting the optimal design for a soil or groundwater
remediationstrategy is currently an enormous chall...y, and test newprocedures to solve multi-objective groundwater
remediation problems, with thegoal of creating a new set of tools for decision-makers." May...
Aircraft De-Icers Hold A Hidden Hazard
... Cancilla has since found tolyltriazoles in the groundwater
beneath anairport in Milwaukee, Wisconsin (Environmental Science & Technology, vol 32, p3834). "We found it in very high concentrations," Cancilla says. This made thewater extremely toxic to the test bacteria, Vibrio fischeri. Steven Corsi o...
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