News tagged with gravel
Iran, Iraq pay $1.2 bn to battle sandstorms
A top Iranian environment official said on Monday Tehran and Baghdad will jointly pay $1.2 billion in a project to reduce the number of sand dunes in a bid to cut the number of sandstorms from Iraq.
Oct 03, 2011 |
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Rural road maintenance may accidentally push spread of invasive plants
Road maintenance may accidentally spread the seeds of invasice plants, according to Penn State researchers.
Aug 09, 2011 |
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'Thermal pollution' in rivers not fully mediated by gravel augmentation
Although adding gravel to a river to replace lost sediments won't likely cool the whole river channel, it can create cool water refuges that protect fish from thermal pollution, according to a U.S. Forest Service Pacific ...
Jun 08, 2011 |
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Scientists explore the physics of bumpy roads
sand or gravel or snow -- develops ripples that make driving a very shaky experience. A team of physicists from Canada, France and the United Kingdom have recreated this "washboard" phenomenon in the lab with ...
Jul 07, 2009 |
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On gravel roads, people drive at speed they are comfortable with, regardless of posted limit
Kansas gravel roads have varying speed limits, but a study by Kansas State University researchers shows that instead of abiding by those limits, people are more likely to use their own judgment to gauge how ...
Apr 10, 2009 |
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