News tagged with runoff
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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Cod has a key role in the whole Baltic Sea
A new investigation put in evidence the key role of cod as regulator of the whole Baltic Sea ecosystem. The study shows that when the cod population in the central Baltic increases, it spreads into larger ...
Apr 18, 2012 |
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Road runoff spurring spotted salamander evolution
Spotted salamanders exposed to contaminated roadside ponds are adapting to their toxic environments, according to a Yale paper in Scientific Reports. This study provides the first documented evidence that a vertebrate has ...
Feb 01, 2012 |
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New tool for cleaning up soils and waterways: Prickly pear
A U.S. Department of Agriculture (USDA) scientist has discovered what may be an effective tool for cleaning up soils and waterways in parts of California's San Joaquin Valley: a drought-tolerant cactus.
Jan 19, 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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With feedlot manure, it pays to be precise
The same precision farming techniques that work with crops can work with manure management on cattle feedlots, according to U.S. Department of Agriculture (USDA) scientists.
Jun 02, 2011 |
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Cover crop seeder pulls triple duty for small farms
Farmers using a cover crop seeder developed by Penn State agricultural scientists may eventually need only a single trip across the field to accomplish what takes most farmers three passes and several pieces ...
May 23, 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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Conewago Creek may hold key for cleaning up Chesapeake
(PhysOrg.com) -- As Pennsylvania streams go, Conewago Creek in Dauphin, Lebanon and Lancaster counties is really nothing special. But remember the name, because it could hold the key to cleaning up the Chesapeake ...
Apr 01, 2011 |
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Plant buffers can slow runoff of veterinary antibiotics
Field tests by University of Missouri scientists have backed up laboratory research indicating that buffer strips of grass and other plants can reduce the amount of herbicide and veterinary antibiotics in surface runoff from ...
Mar 22, 2011 |
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