News tagged with runoff
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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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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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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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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Pollution forms an invisible barrier for marine life
Over 50 percent of the population in the United States and over 60 percent in the world live in coastal areas. Rapidly growing human populations near the ocean have massively altered coastal water ecosystems.
Mar 10, 2011 |
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Oceans where fishes choke
(PhysOrg.com) -- Australian marine scientists have expressed disquiet over the continued worldwide spread of large, dead zones in the ocean.
Nov 30, 2010 |
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Faster method to detect bacterial contamination in coastal waters
Currently, beachgoers are informed about water-quality conditions based on results from the previous day's sample. Scientists must collect samples in the field, then return to a lab to culture them for analysis -- a process ...
Mar 02, 2010 |
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Channels from Mars Hale Crater
(PhysOrg.com) -- This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) ...
Space & Earth / Space Exploration
Oct 28, 2009 |
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In search of wildlife-friendly biofuels
When society jumps on a bandwagon, even for a good cause, there may be unintended consequences. The unintended consequence of crop-based biofuels may be the loss of wildlife habitat, particularly that of ...
Oct 01, 2009 |
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GPS helps locate soil erosion pathways
Grassed waterways are placed in agricultural fields where runoff water tends to concentrate because they can substantially reduce soil erosion. Mapping techniques that help identify where erosion channels will likely form ...
Aug 13, 2009 |
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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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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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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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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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