News tagged with shallow groundwater
Prairie restoration also helps restore water quality
U.S. Department of Agriculture (USDA) scientists are studying the overall improvement in water quality when native prairie vegetation is restored to fields once cropped with corn and soybeans. Agricultural ...
Mar 08, 2012 |
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US to study alternate route for US-Canada pipeline
The US government said Thursday it would study an alternate route for a controversial US-Canada oil pipeline, and pushed back its final decision on the project until 2013 -- after next year's presidential ...
Nov 10, 2011 |
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Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil
Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...
Feb 23, 2009 |
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Search results for shallow groundwater
Geologists map prehistoric climate changes in Canada's Yukon Territory
Researchers at the University of Pittsburgh have joined an international group of scientists to study past climate changes in the Arctic. Comprising geologists from Pitt's Department of Geology and Planetary Science, the ...
Space & Earth / Earth Sciences
May 08, 2012 |
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From decade to decade: What's the status of our groundwater quality?
There was no change in concentrations of chloride, dissolved solids, or nitrate in groundwater for more than 50 percent of well networks sampled in a new analysis by the USGS that compared samples from 1988-2000 to samples ...
Apr 30, 2012 |
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Fracking requires a minimum distance of at least 0.6 kilometers from sensitive rock strata
The chances of rogue fractures due to shale gas fracking operations extending beyond 0.6 kilometres from the injection source is a fraction of one percent, according to new research led by Durham University.
Apr 24, 2012 |
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Cassini finds Titan lake is like a Namibia mudflat
A new study analyzing data from NASA's Cassini spacecraft suggests that the lake, known as Ontario Lacus, behaves most similarly to what we call a salt pan on Earth.
Space & Earth / Space Exploration
Apr 20, 2012 |
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Atmospheric origin of Martian interior layered deposits: Links to climate change and the global sulfur cycle
(PhysOrg.com) -- Researchers from the Planetary Science Institute (PSI) and NASA Johnson Space Center (JSC) have proposed a new hypothesis to explain a class of enigmatic geologic features on Mars that have ...
Space & Earth / Space Exploration
Mar 28, 2012 |
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Warmer summers could shrink trout populations
(PhysOrg.com) -- The New York state fish could be jeopardy due to climate change, warn Cornell scientists.
Mar 27, 2012 |
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Mesquite trees displacing Southwestern grasslands
As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University ...
Mar 18, 2012 |
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Expert panel deliberates hydraulic fracturing in shale gas development
The use of hydraulic fracturing in shale gas development took center stage Friday as a panel of U.S. and Canadian experts discussed the contentious practice in a three-hour symposium hosted by the American Association for ...
Feb 18, 2012 |
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The hills are evolving: New model predicts speed of spreading valleys
From high above the Florida Panhandle, the Apalachicola Bluffs -- a winding system of steep ravines -- look like the branching veins of a leaf.
Space & Earth / Earth Sciences
Feb 06, 2012 |
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Waiting for Death Valley's Big Bang: A volcanic explosion crater may have future potential
In California's Death Valley, death is looking just a bit closer. Geologists have determined that the half-mile-wide Ubehebe Crater, formed by a prehistoric volcanic explosion, was created far more recently ...
Space & Earth / Earth Sciences
Jan 23, 2012 |
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List of search results for shallow groundwater
