News tagged with runoff water
Soil erosion modeling: It's getting better all the time
About 50 years ago, scientists at the U.S. Department of Agriculture (USDA) devised the Universal Soil Loss Equation (USLE), a formula farmers could use to estimate losses from soil erosion. Agricultural Research ...
Apr 24, 2012 |
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Glacial tap is open but the water will run dry
Glaciers are retreating at an unexpectedly fast rate according to research done in Peru's Cordillera Blanca by McGill doctoral student Michel Baraer. They are currently shrinking by about one per cent a year, and that percentage ...
Space & Earth / Earth Sciences
Dec 20, 2011 |
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Runoff key to reducing certain toxic aquatic blooms
(PhysOrg.com) -- Many scientists believe that an unfortunate perfect storm of climate change and nutrient runoff will synergistically increase toxic cyanobacterial blooms globally in coming years.
Oct 07, 2011 |
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Models show Coho salmon at risk in US urbanizing watersheds
For a decade researchers in Seattle have worked to solve the mystery of why adult coho salmon are dying prematurely in urban streams when they return from the ocean to mate and spawn. In a study published in Integrated En ...
Jul 26, 2011 |
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Researchers study pesticide pathways into the atmosphere
When soil moisture levels increase, pesticide losses to the atmosphere through volatilization also rise. In one long-term field study, U.S. Department of Agriculture (USDA) scientists found that herbicide volatilization ...
Jul 12, 2011 |
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Snowpack declines in Rockies unusual compared to past
(PhysOrg.com) -- The researchers evaluated the recent declines using snowpack reconstructions from 66 tree-ring chronologies, looking back 500 to more than 1,000 years.
Space & Earth / Earth Sciences
Jun 09, 2011 |
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Study finds widespread stream biodiversity declines at low levels of urban development
A new study from biology researchers at Baylor University and the University of Maryland-Baltimore has found that there are consistent and widespread declines in stream biodiversity at lower levels of urban development more ...
Jun 08, 2011 |
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Climate change may not dramatically affect California's precipitation or runoff
Precipitation and runoff in California's major river basin will not fall dramatically with climate change, according to a new federal study that shows rising temperatures will have an uneven effect on the West's water supplies.
Apr 26, 2011 |
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Developing strategies in a desert watershed that sustain regional water supplies
U.S. Department of Agriculture (USDA) scientists are helping meet the water demands of a riparian desert region that is home to a national conservation area and a thriving military base.
Mar 22, 2011 |
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Recharge pond study reveals dynamics of water infiltration
(PhysOrg.com) -- An infiltration pond in California's Pajaro Valley has become a laboratory where scientists are working to improve techniques for recharging the region's depleted aquifer. Researchers at the ...
Dec 16, 2010 |
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Study indicates changing climate in the Australian South-East
Despite recent rainfall in parts of eastern Australia, a recently released scientific report indicates an increasing risk of below-average rainfall and runoff into streams, and drier conditions into the future ...
Oct 25, 2010 |
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The pros and cons of Miscanthus -- uses more water, leaches less nitrogen
In the search for the perfect crop for biofuel production, Miscanthus has become the darling to many. But in an effort to not be charmed by its enormous potential for biomass production, researchers at the ...
Sep 09, 2010 |
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Slowing urban sprawl, adding forests curb floods and help rivers
Controlling urban growth and increasing forested land are the most effective ways to decrease future water runoff and flooding, according to a Purdue University study.
Aug 19, 2010 |
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Researchers study effect of yuma desalting plant on Cienega de Santa Clara
A binational team is studying whether running the Yuma Desalting Plant will affect Mexico's Cienega de Santa Clara, the largest wetland on the Colorado River Delta.
Apr 27, 2010 |
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Sources of pollution in waterways
Polycyclic aromatic hydrocarbons (PAHs) are components of petroleum products such as gasoline, coal, and oil. They are also produced as by-products of the combustion of fuels including petroleum and fire wood. PAHs can cause ...
Mar 09, 2010 |
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